Cost / License
- Free
- Open Source
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
Estonia
EU



Blink is described as 'The best real-time communications client using the SIP protocol' and is a Video Calling app in the social & communications category. There are more than 25 alternatives to Blink for a variety of platforms, including Android, Windows, iPhone, Mac and Linux apps. The best Blink alternative is Signal, which is both free and Open Source. Other great apps like Blink are Wire, Jami, Jitsi Desktop and Molly.



TeleGuard is the data-secure messenger from Swisscows. TeleGuard encrypts every message and all telephone calls with encryption algorithm currently available: SALSA 20. TeleGuard servers are located in Switzerland, they are not subject to the data protection laws of the EU /...



Open source Jabber (XMPP) client with multi-account support, clean and simple interface. Being both free (as in freedom!) and ad-free, Xabber is designed to be the best Jabber client for Android .









FaceFlow is a free web-based application for video calling and group video calling. It also offers additional features such as chat rooms.


Offers free global video and voice calling, group chat with up to 50 participants, in-app messaging that bypasses SMS plans, music clip sharing via Spotify, photo editing, gaming and gifts, animated messages, mini-games during calls, and centralized media gallery.




monocles chat is a fork of blabber.im and Conversations with some changes, to improve usability.



ServerCC connects to a remote server over SSH and runs coding agents in a full PTY terminal: Claude Code, Codex, Grok Build, OpenCode, Kimi Code, Pi and OMP. Agents run inside tmux/herdr on the server, so a session keeps going after the app is closed and can be reattached later.




Zoiper IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to work with any IP-based communications systems and infrastructure.




PhonerLite enables your PC to use it for internet telephony (VoIP , Voice over IP, SIP). You need an internet connection and an account from a provider supporting the SIP protocol.



