Zulip is described as 'Threaded group chat with topics for live or async collaboration, open-source, supporting self-hosted or cloud use, suited for organized team discussions' and is a very popular instant messenger in the social & communications category. There are more than 100 alternatives to Zulip for a variety of platforms, including Android, iPhone, Web-based, Windows and iPad apps. The best Zulip alternative is Signal, which is both free and Open Source. Other great apps like Zulip are Telegram, Element, Discord and Matrix.
QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP. The flagship product of the QuteCom project is a softphone which allows you to make free PC to PC video and voice calls, and to integrate all your IM contacts...
Smithy is an app for Slack that allows channels to be designated as threads-only, making threads mandatory and surfacing decisions taken in discussions.
WhatsApp Messenger Web for Chrome. Text/Chat on computer. Notifications, messages, tools. No phone, smartphone. Extension.
At this point in the digital world, our personal digital metadata – not just our messages, but data about who talks to whom, when, and where – has been marketed, auctioned, and monetized hundreds of thousands of times over.
Softphone for VoIP, CAPI und TAPI. This application enables voice connections to landline, cellular network and VoIP. Phoner can be used as softphone on stationary and mobilecomputer devices attached to anlogue or digital (ISDN) subscriber lines and as SIP client.
PhonerLite is.
Fast open source Slack desktop app, written in Node.js with native UI powered by the Yue library.
JayPads are a mix of WhatsApp and Doodle - taking the hassle out of planning your next night out, your next weekend trip or dinner with friends for good. Simply:
Team chat, videoconferencing, screen sharing, file sharing, apps builder, process automation, integrations - with Tekos Collaboration & Automation
Send free (1) voice messages to your near and friends. Video demonstration: http://youtu.be/qA7a_RlE0rY Listen to the messages from your friends. Grace notifications you can start a voice chat. Long duration message, only limited by memory and the mailbox of the .
Ayttm is an instant messaging (aka chat) client that provides all-in-one chat functionality for several major instant messaging services from one simple program. Ayttm "Contacts" allow you to refer to several accounts of the same person from a single contact name...
Make and share with ease private discussions and confrontations based on temporary anonymity, where the focus is on what is answered instead of who is answering. Plus there's a new offline events tracking calendar based on Gantt.
World's most secure P2P messenger. End-to-end encrypted, zero-server architecture, quantum-resistant roadmap. WebRTC direct connections, advanced ECDH + DTLS + SAS verification, full ASN.1 validation.
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