Lightweight JSON serializer for .NET
TL;DR -- Licensed under the Apache License, Version 2.0. Additionally, you're free to release it in binary form as part of your own software without the need to include the license text, the license notice or any copyright attribution notice.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this software 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.
In addition, the copyright holders grant permission to reproduce and distribute copies of this software or derivative works thereof in any medium, with or without modifications, in Object form (as defined by the License), without satisfying the requirements of section 4a of the License. In practice, this means that you are free to include this library in binary releases of your own software without having to also include this notice, a copy of the Licence, or any other copyright attribution.