OpenComputers is a Minecraft mod that adds programmable computers and robots to the game. Computers and robots are programmed in Lua and are fully persistent, meaning programs will continue running across reloads. To achieve this the mod uses a native library. This limits the supported platforms to those the library is available for, which at this time are: Windows, Linux and MacOS. Note that Windows XP and older as well as PowerPC Macs are not supported.
For more information on the mod, please see the wiki. If you still have questions, visit the community forums.
If you'd like to contribute, the easiest way to do so is to provide a translation. See assets/opencomputers/lang for already existing translations. New translations should be based on the English localization, since it will usually be the most up-to-date.
You can also implement your own item and block components using the public API, which unlike the rest of the mod is in plain Java, so you don't have to know or learn Scala.
If you encounter any bugs, please report them in the issue tracker, if they have not already been reported. If you report a crash, always provide your log file.
If you wish to discuss or suggest a new feature, the forums are a good place for that.