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 Zulip. It's not free, so if you're looking for a free alternative, you could try Zulip or Element. Other great apps like Slack are Rocket.Chat, Discord, Matrix and Trello.
Cloud-based platform for business chat, messaging, and task management, delivering structured communication, instant access control, integration with business tools, and business-grade security while supporting flexible workflows, clear roles, and team alignment.
Israel
CyberCord is a self-hosted room platform that runs in a single container from a single self-contained binary. docker run it, open the URL, claim it — that's the whole setup. It serves its own interface to desktop and mobile browsers, offers optional native desktop clients...
United States
Shmore is an AI-powered SaaS that helps e-commerce brands build vibrant communities to convert visitors into loyal customers.
France
EU
Self-hosted, open-source Discord alternative: voice, HD video, screen share up to 4K/120fps, and server-to-server federation. TypeScript, AGPL-3.0.
GermanyEU
PrivOS is a AI operating system for enterprise that replaces 6 SaaS tools in one platform. No-Code AI Agent Builder lets teams deploy agents in 2 to 5 hours without coding. Private cloud, GDPR-ready.
United States
Pebb is the ultimate communication and engagement platform that keeps your team connected, empowered, and in sync, no matter where they work.
United States
Joinery Core is an all-in-one workshop management system built specifically for joinery workshops and bespoke manufacturing businesses. Manage production, stock, teams and projects in one place.
United Kingdom
Margin is an open-source team communication app that brings messaging, channels, and voice & video calls together in one place. Built as a European alternative to Slack, Microsoft Teams, and Discord.
DenmarkEU
Sparkle-Chat is a real-time, multilingual chat platform with AI-powered moderation, customizable roles, threaded discussions, group audio, and a full bot API. Built for communities, developers, and events — no signup required, just jump in and start talking.
We keep repeating things in chat. Things get lost. With Lyncus, a household management chat app, things actually get done.
NetherlandsEU
Self-hosted group chat, voice and video with native mobile apps for iOS and Android, end-to-end encrypted notifications, quick Docker setup, full data ownership, zero tracking, built-in encrypted channels, low-latency media, and protection for private discussions.
Canada
Qaxa is an end-to-end encrypted workspace for teams. Chat in real time, assign tasks, write notes, and share files — all encrypted on your device. Your encryption keys stay with you, so Qaxa can’t read your content. No trackers. No logs. No AI training.
SlovakiaEU
