Mystrix
MatrixOS
V3.2.0
Firmware
MatrixOS
Hype21/100Matrix OS is a cross-platform operating system that mainly targets grid keyboard controllers.
MatrixOS is custom firmware for the 203 Systems Mystrix, by @203-Systems. Open source under MIT, latest release V3.2.0 (January 2026), 125 stars on GitHub.
for203 Systems Mystrix·by@203-Systems
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Download V3.2.0
MatrixOS-V3.2.0-Mystrix.uf2· 6.6 MB
MIT· 203-Systems/MatrixOS·matrix.203.io·downloads come from the creator’s GitHub releases
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