Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux








Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

Decentralized messenger with end-to-end encryption, no registration, no tracking, metadata protection, secure file sharing, and multi-device syncing.




Pure instant messaging — simple, fast, secure, and synced across all your devices. One of the top 5 most downloaded apps in the world with over 1 billion active users.



Our philosophy is that your data are yours and you must always be in control. Movim achieves this through a complete decentralisation of users' data and accounts.




Integrates seamlessly with Office 365 to centralize chat, files, and tools. Supports HD audio and video meetings, available across multiple platforms.








HD video meetings with up to 250 participants, real-time captions, screen sharing, calendar integration, and browser-based access with security features.




Retro computing 2D virtual environment where folks can work around, meet - establish (video) conversations just like on a real congress.

Engage in instant video chats with opposite-gender partners and enjoy global connections with real-time translation for ease.

MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack. It allowing to do high quality VoIP calls (P2P or on regular telephones) via open SIP protocol. From cloud of SIP providers you can choose best for you, register account and use it with MicroSIP. You'.




Gather is a video-calling space that lets multiple people hold separate conversations in parallel, walking in and out of those conversations just as easily as they would in real life.




Commet is a client for Matrix focused on providing a feature rich experience while maintaining a simple interface. The goal is to build a secure, privacy respecting app without compromising on the features you have come to expect from a modern chat client.

Chitchatter is a free (as in both price and freedom) communication tool. Designed to be the simplest way to connect with others privately and securely, it is:

Uhmegle (uh-meg-ull) is the new Omegle TV, where you can meet new friends. When you use Uhmegle, you are paired in a random chat with a stranger.

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 /...




Ekiga (formerly known as GnomeMeeting) is an open source SoftPhone, Video Conferencing and Instant Messenger application over the Internet. It supports HD sound quality and video up to DVD size and quality.




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.





Twilio is a web-service API that lets you use your existing web languages and skills to build voice and SMS applications. We focus on building a simple, powerful, pay-as-you-go communications platform so that you can focus on what you do best.






Astian Cloud is a secure and private storage alternative where users can store their information, share files, edit files, video conferences and much more.


Gydoo is a free and anonymous gay chat. Write text messages, send pictures or have a live video conversation with gay guys from around the world.



Customizable digital office lets remote and hybrid teams collaborate in real time with video calls, presence indicators, chat, file sharing, and calendar integration.




StrangerCam enables users to instantly connect and video chat with people worldwide to meet new friends and explore different cultures.



