An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Flathub
- Ubuntu
- Debian
+4Experience 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
- Linux Mobile
- Android Wear
- PortableApps.com
- FreeBSD
- Apple Car Play
- Android Auto
+17A secure collaboration app with end-to-end encryption and interoperability across web, desktop, and mobile. Includes chat, voice, and video calls.
- Instant Messenger
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Matrix.org
- Flathub
- F-Droid
- Cloudron
+1A versatile platform for text and voice communication, featuring topic-specific channels, customizable moderation, and smooth low latency interactions.
- Instant Messenger
- Freemium • Proprietary
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Snapcraft
- Epic Games Store
- Flathub
- Electron
- Playstation
- Xbox
+7Pidgin is a 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.
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Flathub
- PortableApps.com
+4With 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.
- Instant Messenger
- 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.
- Group Chat App
- Freemium • Proprietary
- Mac
- Windows
- Linux
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- Electron
- Software as a Service (SaaS)
+7Free messaging without SMS fees, web sync, and multimedia sharing, supporting group and video chats, available on iPhone, Android, and desktop.
- Instant Messenger
- Free • Proprietary
- Mac
- Windows
- Online
- Android
- iPhone
- Android Wear
- Android Auto
- Apple Car Play
Jami (formerly GNU Ring, SFLphone) positions itself as a potential free Skype replacement
- Video Calling 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 .
- Video Calling App
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- BSD
- Self-Hosted
+13SimpleX - the most private and secure chat and applications platform - now with double ratchet E2E encryption! Built on Haskell with Love and Coffee.
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Self-Hosted
- Flathub
- F-Droid
- Flatpak
Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.
- Video Calling App
- Free Personal • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- F-Droid
- Software as a Service (SaaS)
Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages.
- Instant Messenger
- Paid • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- HUAWEI AppGallery
- iPad
- F-Droid
RetroShare is a open source cross-platform, private and secure decentralized communication system. It lets you to securely chat, share photos, videos, and more, using OpenPGP to authenticate peers and .
- Video Calling App
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- BSD
- OpenSSL
- OpenPGP
+2