Open Source Bistri AlternativesInstant Messengers and other similar apps like Bistri
The best open source alternative to Bistri is Signal. If that doesn't suit you, our users have ranked more than 50 alternatives to Bistri and 17 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Bistri are Pidgin, Wire, Zulip and Conversations.
Bistri alternatives are mainly Instant Messengers but may also be Group Chat Apps or Video Calling Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Bistri.- 211 Signal alternatives
- Instant Messenger
- Encrypted Chat App
- Group Chat App
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Flathub
- Ubuntu
- Debian
Signal is a messaging app with an unexpected focus on privacy, combined with all the features expected from a modern IM app. Signal has received a lot of praise from all around the world for its security and privacy-respecting technologies.
- - Signal is the most popular Windows, Android, Mac & iPhone alternative to Bistri.
- - Signal is the most popular Open Source & free alternative to Bistri.
Signal Features
- End-to-End Encryption
- Privacy focused
- Ad-free
- Self Destructing Messages
- No Tracking
- Dark Mode
- VoiP Calls
- Lightweight
- Picture in Picture
- Works Offline
- 123 Pidgin alternatives
- Instant Messenger
- Group Chat App
- Video Calling App
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Flathub
- PortableApps.com
Pidgin 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.
Pidgin Features
- Extensible by Plugins/Extensions
- Multiple Account support
- Portable
- No Tracking
- Ad-free
- VoiP Calls
- 266 Wire alternatives
- Group Chat App
- Instant Messenger
- 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)
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.
- - Wire is the most popular SaaS & Self-Hosted alternative to Bistri.
Wire Features
- End-to-End Encryption
- VoiP Calls
- Screen Sharing
- Privacy focused
- Multiple Account support
- 224 Zulip alternatives
- Group Chat App
- Instant Messenger
- Encrypted Chat App
- Free Personal • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- BSD
- iPad
- Self-Hosted
Zulip is the only modern team chat app that is designed for both live and asynchronous conversations. Zulip topics create a separate space for each discussion, so different conversations will never get in each other's way.
Zulip Features
- 152 Conversations alternatives
- Instant Messenger
- Group Chat App
- Encrypted Chat App
- Free • Open Source
- Android
- Android Tablet
- F-Droid
Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].
Conversations Features
- Decentralized
- End-to-End Encryption
- OpenPGP
- GPG Encryption
- Lightweight
- Dark Mode
- Ad-free
- Self Destructing Messages
- Multiple Account support
- Privacy focused
- PGP Encryption
- 70 Adium alternatives
- Instant Messenger
- Free • Open Source
- Mac
Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS Xs Cocoa API, released under the GNU GPL and developed by the Adium team. Based on the libpurple protocol library, Adium can connect you to any number of messaging accounts on any...
Adium Features
DiscontinuedThe last update is from March 2021.
- 143 Empathy alternatives
- Instant Messenger
- Video Calling App
- Free • Open Source
- Linux
- BSD
Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those services and do all your chatting within one application.
Empathy Features
DiscontinuedEmpathy is currently unmaintained. Last version, 3.25, released in August 2017, can be still downloaded from the official website.
- 51 Kopete alternatives
- Instant Messenger
- Free • Open Source
- Mac
- Linux
- BSD
Kopete is an instant messenger supporting AIM, ICQ, Jabber, Gadu-Gadu, Novell GroupWise Messenger, and more. It is designed to be a flexible and extensible multi-protocol system suitable for personal and enterprise use.
Kopete Features
- 47 Instantbird alternatives
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- PortableApps.com
Instantbird is an instant messaging client based on Mozilla XULRunner and the open source library libpurple created by the software developers of Pidgin . Over 250 add-ons allow user customization of, and addition of, features.
Instantbird Features
DiscontinuedSite last updated 2013. Site security certificate expired April 2017.
- 18 Caprine alternatives
- Social Network
- Free • Open Source
- Mac
- Windows
- Linux
Caprine is an unofficial and privacy focused Facebook Messenger app with many useful features.
Caprine Features
Finch is a console-based IM program that lets you sign on to AIM, Jabber, MSN, IRC, Yahoo!, and other IM networks. It runs on Unixes. It uses GLib and ncurses.
Finch Features
- Ad-free
- Privacy focused
- Lightweight
- End-to-End Encryption
- Command line interface
- 73 Coccinella alternatives
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collaboration with other people.
Coccinella Features
DiscontinuedThe last version 0.96.20 is from late 2010, but the software can still be downloaded from their website.