insomnia is a terminal-based frontend for the hii IRC client. It combines several small programs and scripts using tmux to provide an interface resembling traditional IRC clients such as Irssi.
Unlike standalone IRC clients, insomnia relies on hii to manage the underlying connections. The frontend is responsible for presenting conversations and providing interactive features, allowing the communication and user interface components to remain separate.
The software provides keyboard-driven navigation, nickname completion and notifications for important messages. Its use of tmux also allows users to organise conversations across terminal panes.
This is free and open source software.
Key Features
- Terminal frontend for the hii IRC client.
- Uses tmux to organise IRC conversations.
- Interface resembling traditional clients such as Irssi.
- Readline-style keyboard shortcuts for entering messages.
- Tab completion for IRC nicknames.
- Highlight notifications using terminal bell characters.
- Integration with tmux’s monitor-bell functionality.
- Channel topic changes reflected in tmux pane titles.
- Coloured message output.
- Works with existing hii connections running in the background.
Website: github.com/nmeum/insomnia
Support:
Developer: Sören Tempel
License: GNU General Public License v3.0

insomnia is written in C. Learn C with our recommended free books and free tutorials.
Related Software
| Console IRC Clients | |
|---|---|
| WeeChat | Lightweight, extensible IRC client with extensive scripting support |
| Irssi | Highly configurable terminal IRC client with themes and scripting |
| glirc | Advanced client maintaining a model of the IRC connection state |
| tiny | Rust IRC client with mention tracking and configurable notifications |
| ERC | Powerful, modular, and extensible IRC client for Emacs |
| ircII | Long-established IRC client with multi-server and scripting support |
| ScrollZ | Advanced ircII-based IRC client |
| ircc | A single C file which implements a usable IRC client |
| senpai | Modern IRC client designed for bouncers and message history |
| rcirc | Lightweight Emacs IRC client with channel tracking and customisation. |
| EPIC | Based on ircII, EPIC excels at scripting |
| catgirl | Lightweight, security-focused terminal IRC client |
| zuse | Minimal IRC client written in Go using Bubble Tea |
| rirc | Minimalistic IRC client |
| kirc | Tiny IRC client |
| Swirc | Console based ICB and IRC client |
| Xaric | Traditional ircII-derived IRC client with extensive functionality |
| insomnia | tmux-based text interface for the hii IRC client |
| ii | Minimalist FIFO and filesystem-based IRC client |
| hii | tmux-based text interface for the hii IRC client |
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