Experience instant messaging with remarkable speed and robust security. Join massive group chats or channels. Enjoy free and advanced features.
- Instant Messenger
- Freemium • Proprietary
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- HUAWEI AppGallery
- iPad
- Apple Watch
- Android Auto
- Linux Mobile
- Android Wear
- PortableApps.com
- FreeBSD
- Apple Car Play
+17A secure collaboration app with end-to-end encryption and interoperability across web, desktop, and mobile. Includes chat, voice, and video calls.
- Encrypted Chat App
- Free Personal • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Matrix.org
- Flathub
- F-Droid
- Cloudron
+1With the rise of widespread government monitoring programs, Tox is an easy to use application that allows you to connect with friends and loved ones without anyone else listening in.
- Encrypted Chat App
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- Android Tablet
- BSD
- F-Droid
+5Go ahead, video chat with the whole team. In fact, invite everyone you know. Jitsi Meet is a fully encrypted, 100% open source video conferencing solution that you can use all day, every day, for free.
- Video Calling App
- Free • Open Source
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Apple Watch
- F-Droid
Facilitates teams' real-time collaboration with versatile chat interface and advanced search in configurable channels across multiple platforms.
- Team Collaboration Tool
- Freemium • Proprietary
- Mac
- Windows
- Linux
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- Electron
- Software as a Service (SaaS)
+7Jami (formerly GNU Ring, SFLphone) positions itself as a potential free Skype replacement
- Encrypted Chat App
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
+12Jitsi Desktop (previously SIP Communicator) is a legacy audio/video and chat communicator with full encryption, precedessor of Jitsi Meet .
Discontinued- Video Calling App
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- BSD
- Self-Hosted
+13Offers high-quality video conferencing and screen sharing, supporting up to 100 interactive participants with features like whiteboard collaboration.
- Web Conferencing Tool
- Freemium • Proprietary
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
- Apple Car Play
- Android Auto
- Apple TV
- Android TV
+8Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
- Team Collaboration Tool
- Freemium • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Self-Hosted
- Cloudron
+5Google Voice gives you one number for all your phones, voicemail organized in an email format, free US long distance calls, low rates on international calls, and many free calling features, including transcripts, call blocking, call screening, conference calling, SMS, and more.
- Group Chat App
- Free • Proprietary
- Online
- Android
- iPhone
BigBlueButton enables universities and colleges to deliver a high-quality learning experience to remote students.
- Online Education Service
- Free • Open Source
- Linux
- Online
- iPhone
- iPad
- Self-Hosted
- Software as a Service (SaaS)
- Ubuntu Server
+1The preservation of privacy is the main driver for this project. Secure technologies, such as WebRTC, are used to establish a direct connection between the participants. The website that provides the web application and mediates the communication stores as little data as...
- Video Calling App
- Free • Open Source
- Online
- Self-Hosted
- npm
Integrates seamlessly with Office 365 to centralize chat, files, and tools. Supports HD audio and video meetings, available across multiple platforms.
- Team Collaboration Tool
- Freemium • Proprietary
- Mac
- Windows
- Android
- iPhone
- Android Tablet
- iPad
- Microsoft 365
- Android Auto
- Apple Car Play
+8Thirdlane Connect is a versatile collaboration tool that combines messaging, voice, video, and app integration into a cohesive and efficient experience on any platform.
- Group Chat App
- Paid • Proprietary
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
+2kMeet is an unlimited, free, Swiss solution for organising encrypted video-conferences.
- Video Calling App
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- F-Droid
+14