Slack is described as 'Facilitates teams' real-time collaboration with versatile chat interface and advanced search in configurable channels across multiple platforms' and is a leading Group Chat app in the social & communications category. There are more than 100 alternatives to Slack for a variety of platforms, including Web-based, Android, iPhone, Windows and Mac apps. The best Slack alternative is Element. It's not free, so if you're looking for a free alternative, you could try Element or Zulip. Other great apps like Slack are Rocket.Chat, Discord, Matrix and Wire.
A mobile work platform that offers communications including chat, feed, announcements, and AV conferencing as well as learning management, tests and surveys, file storage, and more.
Common Ground is a browser-based, open-source social platform for communities, built as a robust alternative to Discord.
JumpRoom makes it easy to co-pilot any applications and work side-by-side with your remote/hybrid team throughout the day.
AVAILO is a business communication app for teams. One place for internal and external communications, open groups for your team members, service providers and customers, with real time messaging, share emails, folders and files, in a simple way.
Vistasuite empowers business by leveraging the value of digital imagery in ‘visual communication’ by allowing teams to easily share, collaborate, store, and find photos & videos in customizable business environments.
WorkLand is a metaverse for tech teams. Team members can gather in WorkLand, manage projects, track tasks and get work done. WorkLand also features a break room.
AtomJump.com is a well tuned hosted version of the free open-source AtomJump.org. It is free to chat publicly with your family, group or co-workers on your own group.
Balboa is a simple, fast, and uniquely secure collaboration app that encrypts your data before it leaves your computer so only you and your recipients can ever read it. End-to-end encrypted voice, video, messages, and files.
A decentralized fault-tolerant platform for corporate interaction within companies and for private communication with clients.
Hub connects, engages and improves your team’s productivity. No need to go back and forth over emails, text or phone calls. Use built-in templates to get the right message out to relevant team members. Track the responses easily, reduce follow-ups and get more done faster!
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Not only does it have chat, but file sharing is faster, more secure, and it offers voice and video. Didn't have that in slack when I tried it last.