uCON64 v2.2.1 is released. uCON64 is a tool to backup all kinds of video games. It supports almost every available backup unit for cartridge-based consoles and performs many other tasks like ROM hacking. uCON64 is completely Open Source Software and has been ported to many platforms using code from various people.

uCON64 v2.2.1 changelog:
- updated (SNES) fixed checksum calculation of SNES/Super Famicom Classic Mini SRAM data of special chip games like Super Mario RPG, Super Mario World 2 - Yoshi's Island, Hoshi no Kirby Super Deluxe and Star Fox 2 (by dbjh)
- added (SNES) --range=OFFSET1:OFFSET2 specify range for calculating checksum of SNES/Super Famicom Classic Mini (hakchi2) SRAM data. Can be used in combination with --sminis for special chip games (by dbjh)
- added (SNES) --xic2 send ROM to SMC IC2 compatible backup unit (by dbjh; thanks to Mystic_Merlin for finding this out and for testing)
- removed (PSX/N64) --xdex, because the underlying code had nothing to do with the DexDrive (by dbjh)
- added full MinGW-w64, 64-bit Visual C++ (2015 & 2019) and 64-bit Cygwin build support (including libdiscmage and libcd64); improved 64-bit support in general (by dbjh)
- libdiscmage support is no longer enabled by default. Use the configure option --with-libdiscmage to enable support (by dbjh)

Download: uCON64 v2.2.1
Source:Here