Chess engine: Leochess UCI

Chess engine: SpecTral 1.0 sl

Chess engine: Colossus 2021a

UCI - Chessprogramming wiki

Zentropy - UCI chess engine GUI for Windows

GitHub - maksimKorzh/Chenglite: simple UCI chess engine written by self learner from scratch

Free UCI-Compatible Chess Programs for the Stockfish Engine - HobbyLark

Mac Chess HIARCS 10

Chess engine: Marvin 5.0.0 and NNUE (Linux, Mac and Windows)

GitHub - matthiaslang/jackychess: another opensource uci chess engine written in java

Javascript CHESS ENGINE development progress - UCI interaction demonstrated & explained

Implementation ucichessengine

Rudim [2] - Building a .NET Core Chess Engine - UCI Protocol & Evaluating Positions

Free UCI-Compatible Chess Programs for the Stockfish Engine - HobbyLark

Chess engine: ProteusSF 005 (Stockfish derivative)

Any beginner level uci chess engines? : r/chess