Polvo helps you to develop non-standard modules over a file-based open source project and keep your ability to upgrade the base software and mantain your modifications. It was developed specifically for PHP+MySQL, but will work in other environments.
It basically manages sets of new files, patches and sql queries.
Commercial Use
Modify
Distribute
Sub-License
Private Use
Hold Liable
Use Trademarks
Include Copyright
State Changes
Include Install Instructions
Rename
These details are provided for information only. No information here is legal advice and should not be used as such.