Conversations is described as 'Privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG]' and is a very popular instant messenger in the social & communications category. There are more than 100 alternatives to Conversations for a variety of platforms, including Android, iPhone, Windows, Mac and Linux apps. The best Conversations alternative is Signal, which is both free and Open Source. Other great apps like Conversations are Telegram, Element, Matrix and Pidgin.
Diode Drive offering a secure alternative to Slack, Google Drive, and various messaging apps (Signal, Telegram, etc.) for those looking to regain ownership of their personal or work related data/information.
Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collaboration with other people.
Numbertank is a place to express yourself, discover yourself, and bond over the stuff you love. Whether it’s fandoms or philosophy, fashion or felines, Numbertank is where your interests connect you with your people.
Allows users to connect using either text or webcam for video conferencing. Reliable chat room open all day and night allowing people to connect online.
Turnkey audio & video call services, with just 1 click. No downloads, data protected in Europe. Solutions for web use, mobiles and connected objects.
This application is an Open Source XMPP Client for BlackBerry(c) 10. Work have been done to support to some extent Google Hangout.
Port is a free, open source, privacy-first messaging app designed for the hyper-connected world. Connect safely without sharing phone numbers, emails, or usernames. With Port, yoOR USERNAMEu can chat, call, share, and stay in touch on your own terms.
Pinger lets you text and talk free with the people you care about most, anywhere on the planet. Tap a picture and you'll see all of your communications—texts, pics, calls, voicemails—all in one place.
Reclaim your privacy With Uup. Just download the app and start chatting. Uup App is based on asymmetric encryption. Private key is generated based on the device and it doesn't need any email, mobile number or anything else to work.
PeerSuite is an open source, decentralized, private alternative to apps like Discord or Slack. All data is sent only between clients through encrypted WebRTC channels.
Bravis is a commercial enterprise video conferencing software for collaborating with business associates, co-workers and customers directly from your desk.
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