Crush is notably and disappointingly proprietary, being a fork (by the original author, who was hired by Charm) of the open-source OpenCode¹.

Despite the indications in that old repo, OpenCode is still F/OSS and still under active development by the other maintainers (in a new GitHub org²).

You can find the OpenCode website here: https://opencode.ai/

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1: https://github.com/opencode-ai/opencode

2: https://github.com/sst/opencode

crush looks nice and I like the wacky vibe of charm [0]. anyone know the main differences between it and opencode [1]?

[0]: https://charm.land

[1]: https://opencode.ai