Sentinel provides statistical and operator services for EFnet, IRCnet, and Dalnet IRC daemons. It supports Hybrid/Comstud (5, 6, 7, comstud 1.x, CSr, csircd, ircd-ratbox), and Bahamut. It features a StatServ, a SplitServ, flood protection, customized HTML output, a Jupe service, a channel search engine, and a number of drone/clone tracking tools. It fully supports many Hybrid 6 and 7 extensions.
Chat Everywhere is a simple and powerful chat client/server system for Web pages. It supports channel administration, IRC-like commands, connection filtering, extensive logging, and much more. The client works in any Web browser that can run Java applets. The server is written in POSIX-compliant C and runs on any kind of Unix.
savIRC is an IRC client for Linux, Unix, BSD, and Windows. It supports multiple server connections, SOCKS5 proxy, CTCP, DCC, passive DCC, ignore and notify lists, Unicode, mIRC colors, MDI dedicated windows, logs, customizable popups, pre-defined events, scripting in Tcl/Tk, captions for URL nicks, and channel names.
IRC Channel Relay Bot allows you to have an IRC channel span multiple IRC networks. It relays public and private messages, informs you about people joining and leaving the channel, and passes topics across networks (if you op it). It has minimal ability to help protect the channel.