CorChess is a clone of Stockfish maintained for better performance on long time controls, trying at least partially to fill the gap between regular tests and demands of correspondence players.
Download here: CorChess 2019-04-21.
Massimiliano Goi wrote:CorChess is a great program if you want to analyse positions or play correspondence chess, as the name suggests: it's coherent and precise going deep.
In my first days of test I've found it even better than Cfish for the task of analysing positions, but this is not my last word, as I have still to try it a bit more to be sure.
Download here: CorChess 2019-04-21.