License Agreement

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.