Stockfish clone the main changes were made in nnue.
https://krakenfiles.com/view/rasiCuHYiB/file.html
Sky engine
first clone since Stockfish 16. The main changes were made in nnue.
https://krakenfiles.com/view/V2RoZEnIwR/file.html
Mint engine
Hybrid of Corchess and Stockfish.
https://krakenfiles.com/view/9EJvVFNWUb/file.html
Clan AI engine
Stockfish clone with support for new styles.
https://krakenfiles.com/view/oFgGzoHqwU/file.html
