I've released a new beta version of Black Cat SSTV, version 1.0.1b4, for Windows and macOS. Fixes a bug that could cause a crash.
https://www.blackcatsystems.com/software/sstv.htmlBlack Cat SSTV is a relatively new SSTV app, written from the ground up with high performance DSP code designed to decode even extremely weak SSTV transmissions. It is available for both for Windows and macOS.