As described in a previous post, Google is still click-wrapping all Android developer binaries with a non-free EULA.

I recompiled SDK 9.0.0, NDK r18b and SDK Tools 26.1.1 from the free sources to get rid of it:

with one-command, Docker-based builds:

This triggered an interesting thread about the current state of free dev tools to target the Android platform.

Hans-Christoph Steiner also called for joining efforts towards a repository hosted using the F-Droid architecture:

What do you think?