ngircd
ngircd runs a portable, lightweight Internet Relay Chat server for small or private networks. Network administrators who want to operate IRC within that kind of network are its clearest audience. Its role is specific: it provides the server for Internet Relay Chat, with a target setting that has a small or private scope. Portability and lightweight design are the central traits for operators choosing it, especially when those qualities matter more than support for a broader network target. That focus also creates an honest limitation. ngircd is intended for small or private networks, so it is not aimed at large public IRC networks. Users seeking that larger setting would be outside the program's target. For its intended audience, the choice rests on a short, concrete set of facts: an Internet Relay Chat server, portable operation, lightweight design, and a focus on small or private networks.