Pidgin is described as 'Chat program which lets you log into accounts on multiple chat networks simultaneously. This means that you can be chatting with friends on XMPP and sitting in an IRC channel at the same time' and is a leading instant messenger in the social & communications category. There are more than 100 alternatives to Pidgin for a variety of platforms, including Linux, Mac, Windows, Web-based and Android apps. The best Pidgin alternative is Element. It's not free, so if you're looking for a free alternative, you could try Element or Matrix. Other great apps like Pidgin are Beeper, Jitsi Desktop, SeaMonkey and Element X.
0xchat is a secure chat app built on the Nostr protocol. It prioritizes security, featuring private key login, encrypted private chats and contacts, encrypted group chats.
Monal is an open source iOS and macOS XMPP Chat-Client. It can connect to any standard XMPP chat server such as Gtalk or Facebook chat.
United States
United States
Minbif aims to use the libpurple library from the Pidgin project to provide an IRC-friendly instant messaging client.
Vacuum-IM is a crossplatform Jabber client. The core program is just a plugin loader - all functionality is made available via plugins. This enforces modularity and ensures well defined component interaction via interfaces.
Commandline XMPP Client. Profanity was originally written for two main reasons. Firstly, the author wanted something similar to Irssi, but with a focus on XMPP for use in his workplace. Secondly, it was a bit of fun and a learning exercise.
Ayttm is an instant messaging (aka chat) client that provides all-in-one chat functionality for several major instant messaging services from one simple program. Ayttm "Contacts" allow you to refer to several accounts of the same person from a single contact name...
Tuwunel is a high-performance Matrix homeserver written entirely in Rust — the official successor to conduwuit, sponsored by the Swiss government and deployed for citizens.
Kadu is an open source Jabber/XMPP and Gadu-Gadu instant messenger client for Linux, *BSD, Mac and Windows.
Russia
Glowing Bear is a sleek, modern web frontend that securely connects to a running instance of WeeChat using its built-in relay protocol. It relies on WeeChat to do all the heavy lifting and then provides some nice features on top of that, like...
