PPSF is copyright by Jerry Chun-Wei Lin and some parts are copyright by contributors.
The code is licensed under the open-source GNU GPL version 3 license. The GPL license provides four freedoms:
- Obtain and run the program for any purpose
- Get a copy of the source code
- Modify the source code
- Re-distribute the modified source code
The only restriction is that if you want to redistribute the software, you must:
- provide access to the source code,
- license derived work under the same GPL v3 license
If you have any questions, please contact Jerry Chun-Wei Lin.