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Firefox Forever
(www.quippd.com)
If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.
This community's icon was made by Aaron Schneider, under the CC-BY-NC-SA 4.0 license.
Especially since it's built using Rust (which Mozilla created, and laid off all of the developers).
Would be sort of poetic