Zenzap is described as 'Cloud-based chat and task tool offering structured communication, access control, intuitive interface, business-grade security, and easy team integration' and is a instant messenger in the office & productivity category. There are more than 50 alternatives to Zenzap for a variety of platforms, including Android, Web-based, iPhone, Windows and Mac apps. The best Zenzap alternative is Element. It's not free, so if you're looking for a free alternative, you could try Element or Discord. Other great apps like Zenzap are Slack, Stoat Chat, Wire and Threema.
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].
Basecamp is a web-based project collaboration tool that allows groups of people to share files, meet deadlines, assign tasks, and centralize feedback.
Powered by WebRTC, Real-time video call, chat room and screen sharing entirely browser based.
Self-hosted communication platform with secure audio, video, chat, web conferencing, screensharing, advanced encryption, and metadata privacy, running on user-controlled servers, supporting web and mobile apps, and eliminating third-party data exposure.
Thirdlane Connect is a versatile collaboration tool that combines messaging, voice, video, and app integration into a cohesive and efficient experience on any platform.
Dino is a modern open-source chat client for the desktop. It focuses on providing a clean and reliable Jabber/XMPP experience while having your privacy in mind. Using GTK+/Vala.
Ripcord is a desktop chat client for group-centric services like Slack and Discord. It provides a traditional compact desktop interface designed for power users. It's not built on top of web browser technology: it responds quickly to input, sips gently from computer...
Kosmi is a free real time application and communication platform that offers voice, text and video calls along with games and applications such as SNES Party, NES Party, OpenArena, Poker, Virtual Cardtables, Synced YouTube and Cowatch Video.
A comprehensive collaboration platform within Office 365, providing centralized chat, file sharing, and HD video meetings. Accessible on multiple platforms, it offers enterprise-grade security and compliance, customizable notifications, and private to group chat sessions.
2x your productivity with Struct, a brand-new real-time chat platform designed from the ground up around threads, feeds and AI.
Twake is a real-time teamwork platform. It is a suite of collaborative tools that includes the specificities of some bestsellers (Slack, Trello, Google Drive...). We provide professional messaging, storage space, online collaborative editors (Words, Excel, PowerPoint), task...
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