I have an idea for computer like mod, It can be similar to ComputerCraft's Computer block and OS but it can have more items and blocks to play with.
For example server with addable drives monitor/laptop mount for server, server racks, network switch, craftable motherboard, GPU, CPU, power supply and RAM, Hard Drive, SSD, Cooler and other computer or server components. Hacking system for example easier way is manually installing virus on to the computer using USB or much harder way like hacking it from computer in players house/base, another hacking type could be a DOS or DDOS attack, Security System, USB drives that player can store files and even store virus that they can upload to other computers and allow remote access, block that allows to remotely to power off or on the redstone. An Overloading system, Overheating system, Cooling system, Possibility to create large server storage for example Admin or Owner created a large server storage that players can download files from or chatroom server that could be hosted by all players and an uncraftable tool that make server or computer unhackable when right clicked on computer or server, for linking computer or server with wireless or remote stuff a linker item/tool could be use.
There might be more stuff but this is all that I can think of right now.
While I was reading through this again, I think that this might be possible to code.
If anyone has better or possibly other suggestions post them in comments of this thread.