I’m the creator of the SID 6581<>8580 Switcher (here the original project).

I’m Very happy to see my project on the net. Arkanoid (a user of Lemon64 Forum) has done a very nice PCB with some fixes. Very nice job.

This is not a SId2Sid Clone.

source: lemon64.com

Berzerk Redux for Commodore 64 is based on the classic arcade game Bezerk and is a multi-directional shooter video Arcade game from Stern Electronics.

source: noname.c64.org wikipedia

from Homepage:

After many months of preparation, JiffyDOS production ROM overlays are finally ready for distribution.

The system utilizes the ROM-el FLASH-based ROM emulator, allowing the units to be fully assembled before programming.  Units should be available shortly for sale in the online store.

source: jbrain.com JiffyDOS Documentation

I have found some Firmware Roms of vintage Disk Backup System for Super Nintendo and Megadrive.

Inside the archive:

• Super Wildcard v2.7 (snes)
• Magicom v3.2h (snes)
• Super Magic Drive v4.1-a (megadrive)

Download: Disk Backup System Roms

EasySplit is a program to compress and spit files.

It is mainly intended to be use with CRT files (cartridge images), but it may also be useful for other purposes. Exomizer is used for compression.

Changelog:

1.0.0 – 23.11.2009

• First public release.
• New file format.

0.1.0 – 14.10.2009

• First release, used internally only.

source: noname.c64.org

This is a Windows program Manager for The High Voltage SID Collection (HVSC).

source: noname.c64.org