Check out my (~15m) talk at @opendevconf@twitter.com where I explain why it's critical that free/libre/open source software projects shouldn't rely on proprietary tools: https://www.youtube.com/watch?v=U_nK6nP_RCY
It's a talk version of https://mako.cc/writing/hill-free_tools.html from 2010. Sadly still relevant.
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