Communications and network software is used for the setup and management of digital communication networks such as LAN and WAN computer networks, electronic mail, FAX, audio and video networks, wireless communication systems, etc.
Microprocessor and IC programmers, compilers and debuggers are programs that translate high-level language codes into assembly (machine) code, or track and correct errors (bugs) in program code.
Protocol stack software is a set of hierarchical network protocols that manage the flow of data in communication systems. Each protocol in the stack or suite supports the protocol above it and uses the one below it. TCP/IP is an example of a stack.