Free phone operating system
Replicant is a fully free Android distribution supported by the FSF through its Working Together for Free Software Fund. It is the first mobile operating system (OS) to run without relying on proprietary system code.
Ways to help
Use Replicant and become part of the project's community by using its forums, contributing to its wiki, and submitting any bugs you discover. Please donate via the FSF (Replicant's fiscal sponsor) to help the project grow by supporting more devices and advancing to Replicant 6.0.
This is just one item on the Free Software Foundation's High Priority Projects list.