Both PostmarketOS (if you use the phosh env) and Mobian use phosh, proc, chatty, libhandy, squeekboard, and a number of Purism packages. Mobian would take a lo

Both PostmarketOS (if you use the phosh env) and Mobian use phosh, proc, chatty, libhandy, squeekboard, and a number of Purism packages. Mobian would take a lot more work (and likely would not exist) if they did not take advantage of Purism's work. Feel free to go through https://puri.sm/posts/ https://puri.sm/posts/ to see their documentation of what they contribute, but here is one post I choose arbitrarily: https://puri.sm/posts/librem-5-may-2020-software-development-update/ https://puri.sm/posts/librem-5-may-2020-software-development... Note the "Linux Kernel" section. Here's another one: https://puri.sm/posts/librem-5-june-2020-software-development-update/ https://puri.sm/posts/librem-5-june-2020-software-developmen... Also note the "Linux Kernel" section.