[mattkevan]

Ah I didn’t know that, thanks for the correction. That’s good to hear. Haiku is amazing.

[waddlesplash]

(Haiku developer here.) The correction is wrong; while some select portions of BeOS were released as open-source (most notably Tracker, Deskbar), the OS as a whole was not, and Haiku is thus largely a clean-room reimplementation.