diff --git a/README.rdoc b/README.rdoc
index 3220262..1872a9d 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -315,16 +315,17 @@ Adrian Madrid, aemadrid@gmail.com
 
 = License
 
-Copyright (C) 2008-2009 10gen Inc.
+ Copyright 2008-2009 10gen Inc.
 
-This program is free software: you can redistribute it and/or modify it under
-the terms of the GNU Affero General Public License, version 3, as published by
-the Free Software Foundation.
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
 
-This program is distributed in the hope that it will be useful, but WITHOUT
-ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
-details.
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 
-See http://www.gnu.org/licenses for a copy of the GNU Affero General Public
-License.
diff --git a/lib/mongo/admin.rb b/lib/mongo/admin.rb
index 71896c9..b1e50e6 100644
--- a/lib/mongo/admin.rb
+++ b/lib/mongo/admin.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 require 'mongo/util/ordered_hash'
diff --git a/lib/mongo/collection.rb b/lib/mongo/collection.rb
index b96eb3e..af1c90f 100644
--- a/lib/mongo/collection.rb
+++ b/lib/mongo/collection.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 require 'mongo/query'
diff --git a/lib/mongo/cursor.rb b/lib/mongo/cursor.rb
index 868f73c..7ad884d 100644
--- a/lib/mongo/cursor.rb
+++ b/lib/mongo/cursor.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 require 'mongo/message'
diff --git a/lib/mongo/db.rb b/lib/mongo/db.rb
index d1809c7..ba4d13d 100644
--- a/lib/mongo/db.rb
+++ b/lib/mongo/db.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 require 'socket'
diff --git a/lib/mongo/gridfs.rb b/lib/mongo/gridfs.rb
index d6fc1b2..18015f5 100644
--- a/lib/mongo/gridfs.rb
+++ b/lib/mongo/gridfs.rb
@@ -1 +1,16 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
 require 'mongo/gridfs/grid_store'
diff --git a/lib/mongo/gridfs/chunk.rb b/lib/mongo/gridfs/chunk.rb
index 5ac68d9..d492e6e 100644
--- a/lib/mongo/gridfs/chunk.rb
+++ b/lib/mongo/gridfs/chunk.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 require 'mongo/types/objectid'
 require 'mongo/util/byte_buffer'
 require 'mongo/util/ordered_hash'
diff --git a/lib/mongo/gridfs/grid_store.rb b/lib/mongo/gridfs/grid_store.rb
index e4d3985..d7e80be 100644
--- a/lib/mongo/gridfs/grid_store.rb
+++ b/lib/mongo/gridfs/grid_store.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 require 'mongo/types/objectid'
 require 'mongo/util/ordered_hash'
 require 'mongo/gridfs/chunk'
diff --git a/lib/mongo/message.rb b/lib/mongo/message.rb
index 461e35a..9b70342 100644
--- a/lib/mongo/message.rb
+++ b/lib/mongo/message.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 %w(get_more_message insert_message kill_cursors_message message_header
    msg_message query_message remove_message update_message).each { |f|
   require "mongo/message/#{f}"
diff --git a/lib/mongo/message/get_more_message.rb b/lib/mongo/message/get_more_message.rb
index 9ff56de..935305b 100644
--- a/lib/mongo/message/get_more_message.rb
+++ b/lib/mongo/message/get_more_message.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 require 'mongo/message/message'
 require 'mongo/message/opcodes'
 
diff --git a/lib/mongo/message/insert_message.rb b/lib/mongo/message/insert_message.rb
index e0b0087..b202445 100644
--- a/lib/mongo/message/insert_message.rb
+++ b/lib/mongo/message/insert_message.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 require 'mongo/message/message'
 require 'mongo/message/opcodes'
 
diff --git a/lib/mongo/message/kill_cursors_message.rb b/lib/mongo/message/kill_cursors_message.rb
index 4f9adfa..6c3d5ca 100644
--- a/lib/mongo/message/kill_cursors_message.rb
+++ b/lib/mongo/message/kill_cursors_message.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 require 'mongo/message/message'
 require 'mongo/message/opcodes'
 
diff --git a/lib/mongo/message/message.rb b/lib/mongo/message/message.rb
index 8ca06ba..6d55e19 100644
--- a/lib/mongo/message/message.rb
+++ b/lib/mongo/message/message.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 require 'mongo/util/bson'
 require 'mongo/util/byte_buffer'
 
diff --git a/lib/mongo/message/message_header.rb b/lib/mongo/message/message_header.rb
index 19cb837..31a59a1 100644
--- a/lib/mongo/message/message_header.rb
+++ b/lib/mongo/message/message_header.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 require 'mongo/util/byte_buffer'
 
 module XGen
diff --git a/lib/mongo/message/msg_message.rb b/lib/mongo/message/msg_message.rb
index a7f3702..851edec 100644
--- a/lib/mongo/message/msg_message.rb
+++ b/lib/mongo/message/msg_message.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 require 'mongo/message/message'
 require 'mongo/message/opcodes'
 
diff --git a/lib/mongo/message/opcodes.rb b/lib/mongo/message/opcodes.rb
index 9980400..b931a64 100644
--- a/lib/mongo/message/opcodes.rb
+++ b/lib/mongo/message/opcodes.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 module XGen
   module Mongo
     module Driver
diff --git a/lib/mongo/message/query_message.rb b/lib/mongo/message/query_message.rb
index c626d03..4ff561e 100644
--- a/lib/mongo/message/query_message.rb
+++ b/lib/mongo/message/query_message.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 require 'mongo/message/message'
 require 'mongo/message/opcodes'
 require 'mongo/util/ordered_hash'
diff --git a/lib/mongo/message/remove_message.rb b/lib/mongo/message/remove_message.rb
index 830aff7..f2da33c 100644
--- a/lib/mongo/message/remove_message.rb
+++ b/lib/mongo/message/remove_message.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 require 'mongo/message/message'
 require 'mongo/message/opcodes'
 
diff --git a/lib/mongo/message/update_message.rb b/lib/mongo/message/update_message.rb
index a15e9da..129b61f 100644
--- a/lib/mongo/message/update_message.rb
+++ b/lib/mongo/message/update_message.rb
@@ -1,3 +1,19 @@
+# --
+# Copyright (C) 2008-2009 10gen Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ++
+
 require 'mongo/message/message'
 require 'mongo/message/opcodes'
 
diff --git a/lib/mongo/mongo.rb b/lib/mongo/mongo.rb
index af42851..ce3d8cf 100644
--- a/lib/mongo/mongo.rb
+++ b/lib/mongo/mongo.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 require 'mongo/db'
diff --git a/lib/mongo/query.rb b/lib/mongo/query.rb
index fab98cb..06ca41c 100644
--- a/lib/mongo/query.rb
+++ b/lib/mongo/query.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 require 'mongo/collection'
diff --git a/lib/mongo/types/binary.rb b/lib/mongo/types/binary.rb
index 835d31a..40d2e46 100644
--- a/lib/mongo/types/binary.rb
+++ b/lib/mongo/types/binary.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 require 'mongo/util/byte_buffer'
diff --git a/lib/mongo/types/dbref.rb b/lib/mongo/types/dbref.rb
index b9d9791..45df195 100644
--- a/lib/mongo/types/dbref.rb
+++ b/lib/mongo/types/dbref.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 module XGen
diff --git a/lib/mongo/types/objectid.rb b/lib/mongo/types/objectid.rb
index 40ff560..d81b0ad 100644
--- a/lib/mongo/types/objectid.rb
+++ b/lib/mongo/types/objectid.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 require 'mutex_m'
diff --git a/lib/mongo/types/regexp_of_holding.rb b/lib/mongo/types/regexp_of_holding.rb
index 19115a8..92dbfd8 100644
--- a/lib/mongo/types/regexp_of_holding.rb
+++ b/lib/mongo/types/regexp_of_holding.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 module XGen
diff --git a/lib/mongo/types/undefined.rb b/lib/mongo/types/undefined.rb
index e58c77c..61a2a07 100644
--- a/lib/mongo/types/undefined.rb
+++ b/lib/mongo/types/undefined.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 module XGen
diff --git a/lib/mongo/util/byte_buffer.rb b/lib/mongo/util/byte_buffer.rb
index 49898b0..ec6f0ad 100644
--- a/lib/mongo/util/byte_buffer.rb
+++ b/lib/mongo/util/byte_buffer.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 # A byte buffer.
diff --git a/lib/mongo/util/ordered_hash.rb b/lib/mongo/util/ordered_hash.rb
index ce459ba..1d53c52 100644
--- a/lib/mongo/util/ordered_hash.rb
+++ b/lib/mongo/util/ordered_hash.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 # A hash in which the order of keys are preserved.
diff --git a/lib/mongo/util/xml_to_ruby.rb b/lib/mongo/util/xml_to_ruby.rb
index 9f18fe2..d695fb2 100644
--- a/lib/mongo/util/xml_to_ruby.rb
+++ b/lib/mongo/util/xml_to_ruby.rb
@@ -1,17 +1,17 @@
 # --
 # Copyright (C) 2008-2009 10gen Inc.
 #
-# This program is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Affero General Public License, version 3, as
-# published by the Free Software Foundation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
-# for more details.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # ++
 
 require 'rexml/document'