Pidgin
Multi-protocol chat client with libpurple plugins for XMPP, IRC, and various legacy networks.
Why it is included
GPL-2.0+ desktop client that kept multi-account chat on one screen for years.
Best for
Power users bridging IRC/XMPP and other libpurple-supported services.
If you use Windows, Mac, or paid tools
Chat client alternative to Trillian (paid era), Adium (macOS), and many single-network proprietary clients.
Strengths
- Plugin model
- Single window
- OTR/PGP integrations (via plugins)
Limitations
- Some networks deprecated custom protocols
Good alternatives
Element · Thunderbird Chat
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