jInfer is a free, open source software. It is licensed under the GPL 3.0 license. Feel free to use, distribute and hack jInfer.
jInfer uses multiple open source libraries. Their list (with corresponding links and licenses) can be found in the README.txt file of the current jInfer distribution.
jInfer is provided AS IS, without any warranties or guarantees. Please refer to sections 15 and 16 of GPL v3.0 for details.