Rizin is a free and open source reverse engineering framework that includes a disassembler, emulator, hex editor, debugger and more.
The developers cite the stress and disrespect they experienced while working in the community that developed around radare2 as the reason for the fork, and in order to further develop towards the values ββββthat they adhere to, December 8 was created fork and written CoC.
The core Cutter team (this is the GUI for radare2), which was also part of the core radare2 team, left radare2 and co-founded Rizin. After that, Cutter switches from radare2 to Rizin as a backend.
Source: linux.org.ru