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How F-Droid's repository model works, why it has five front ends, and what actually keeps sideloaded APKs safe.

Android's code is open, but its roadmap isn't. What happens when Google changes the core and developers just have to cope?

An eSIM adapter isn't a converter — it's a eUICC chip in a SIM shell. Here's the silicon, the certificates, and the open source tools underneath.

One in three new GitHub developers now comes from a country outside 2020's top ten. What that shift means for open source.

Android separates keyboards from speech engines by design. Most apps weld them back together.