Alternatives to Kronos
Sega Saturn and ST-V arcade emulator forked from the Yabause project. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Kronos
Sega Saturn and ST-V arcade emulator forked from the Yabause project.
Replacements
Listings that take over the same core job as Kronos.
Ymir
Fast, accurate Sega Saturn emulator with high compatibility.
Ymir is an open-source Sega Saturn emulator for Windows, macOS and Linux with a modern interface, save states and debugging tools, but it is a young project and ST-V support is not mentioned.
Mednafen
Command-line multi-system emulator covering Saturn, PlayStation and more.
Mednafen is an open-source GPL-2.0 multi-system emulator with highly accurate Saturn emulation and a macOS build, but it is command-line driven with no real graphical interface.
Similar software
Related functionality, not a direct replacement.
Flycast
Emulate Dreamcast and related Sega arcade hardware.
Genesis Plus GX
Accurate Sega 8-bit and 16-bit emulator, widely used as a libretro core.
BlastEm
Cycle-accurate Sega Genesis and Mega Drive emulator.
MAME
Documents and recreates thousands of arcade machines, consoles and old computers, with accuracy as the point.