Okay, here we are: I'm currently maintaing Computronics, a mod made by asie that adds ComputerCraft/OpenComputers integration to a lot of mods (15 to 20, can't remember) and adds a whole bunch of more or less interesting new blocks and items for those mods, especially OpenComputers. If you ever wanted to play your own music to other people using in-game tape drives, wanted to create your own highly secure money system using RSA codes, wanted to automate an entire Railcraft rail network using computers, this is a mod you might like. As far as I know, it's currently one of the largest OC addons