ISIM messenger is an all-in-one messaging app that provides users with a secure and convenient way to communicate with friends, family and colleagues. It is designed to be easy to use and features a wide range of features, including voice and video calls, text messaging, photo and file sharing, and group chats. The app also features a fun and engaging animated sticker collection, as well as a range of custom stickers that can be created by users. ISIM messenger is a secure platform, with end-to-end encryption ensuring that all messages and calls remain private. It is available for free on both iOS and Android devices.
Discontinued The application is no longer actively developed. The source code has been opened for the community to take over, but had no impact: https://github.com/ifwe/digsby | https://web.archive.org/web/20121205002331/http://blog.digsby.com/archives/1969/
Bundleware Tenga cuidado durante la instalación: https://alternativeapp.info/discussions/applications/11718/be-careful-in-the-installation/
Discontinued The project seems to be no longer developed. The latest versions for Windows, Mac, Linux and other platforms can still be downloaded from the official website.
Potential malware warning. Check the comments.
Discontinued The project is no longer being developed. The last versions for Windows and Linux date back to 2008, but can still be downloaded from the official website.
Skype
Pidgin
Wire
Facebook Messenger
Trillian
Miranda IM
Empathy
ICQ
Digsby
Psi
Disa
IM+
Kopete
Messenger for Desktop
Caprine
MetroIRC
qutIM
QIP Infium
Mapple.me
Sim-IM
Discontinued empathy is not currently maintained. The latest version, 3.25, released in August 2017, can still be downloaded from the official website.