CBM-Command is a disk manager for the Commodore 64 and Commodore 128 computers. It is written like Norton Commander or Midnight Commander, but is much simpler due to the target platforms.

Both the C128 and C64 have their own native version of the application.

source: cbmcommand.codeplex.com

from the homepage:

• C2NPower: Powering CBM products can prove harder than initially thought. Many manufacturers choose the safe (and professional) route of including a power jack on the product and a plug-in power supply (wall wart). It’s a safe choice, but it carries a double cost. Power supplies tend to be $5.00 or so, and are often bulky and heavy, adding to shipping costs. On the consumer side, there’s a cost in finding another open outlet for the power supply and cable management. [continue here]

• X-Pander 3: In my continuing effort to sell more products for your Commodore computer, I determined users would buy more cartridge-based solutions if they could plug more into their machine at one time :-) Thus, given the lack of cartridge expansion options on the market at present, I am producing the X-Pander. Modeled off the CMD EX-3, CMD EX2+1, and the FB-3XP. [continue here]

source: jbrain.com