Are there analogues of open-wrt for ip cameras and NVR/DVR?

Good afternoon.
Please tell me, is there any freely available open source firmware for IP cameras, NVR/DVR?
July 12th 19 at 17:26
1 answer
July 12th 19 at 17:28
More but it was closed, but you can forknode and further develop - Bertrand_Lehner commented on July 12th 19 at 17:31

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