BMX6(but not portable)
Babel(no mobile support)
OLSR(has few Android old ports OLSRd and Serval Project currently unfortunate unusable).
Regardless distributed dhcp there are few options: AHCP, HNCP and ddhcpd.
https://www.irif.fr/~jch/software/ahcp/
https://www.irif.fr/~jch/software/homenet/
https://github.com/sargon/ddhcpd