One of the most popular alternatives to Slack is Element, which is open source and free for personal use. Other popular alternatives are Discord, Matrix, Trello and Stoat Chat. You're spoiled for choice with Team Collaboration Tools like Slack: we list more than 100 alternatives for the web, Android, iPhone, Windows and Mac.
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.
Netherlands
EU
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
MySquare is a place for your friends and your community: spaces with text channels and voice rooms, direct messages, and groups of up to 25 people.
United States
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
HOLOH offers lifelike collaboration in next-generation meetings by merging real video feeds with immersive 3D spaces. Powered by cutting-edge AI, it delivers true presence and connection - the closest thing to meeting in real life, on any device.
LuxembourgEU
RelayBeam is a messaging platform with an innovative multi-port feature for enhanced communication.
Create a white-label community and storefront with custom branding, free, paid and VIP spaces, courses, memberships, coaching and downloads. Members can use feeds, discussions, direct messages, goals and badges, while hosts run events, bookings and progress updates.
LithuaniaEU
Secumeet is a secure communication and collaboration platform designed for organizations that require control over their data and infrastructure.
United States
Taskflo is a web-based kanban board for teams, organised the way Trello is: workspaces hold boards, boards hold lists, and lists hold cards. Cards support labels, due dates, checklists, comments, file and link attachments, a priority, an assignee and watchers.
India
Platform provides AI-powered chat, task management with Kanban, document editing, spreadsheets, calendar sync, video conferencing, booking links, social media scheduling, infinite whiteboards, and a knowledge graph to map all workspace activity and connections.
United States
