3-clause BSD License

11 operating systems

Operating system	Developer	First release
BlackArch Linux	—	—
Coherent	Mark Williams Company	—
Contiki	Adam Dunkels	—
Contiki-NG	George Oikonomou, Simon Duquennoy	—
Draco GNU/Linux	Ole-André Rodlie	—
Fuchsia	Google	—
HelenOS	—	—
KallistiOS	—	—
LiteOS	—	—
MINIX	Andrew S. Tanenbaum	—
Rocky Linux	Rocky Enterprise Software Foundation	—