Revolt stands out as the best free alternative to Slack. If it doesn’t meet your needs, don’t worry, — we’ve put together a ranked list of other free Slack alternatives to help you find the right fit.
Slack alternatives are mainly Communication but may also be Communities or Messaging. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Slack.
An open-source, user-centric chat platform designed as a privacy-focused alternative to Discord.

Revolt is an open-source, privacy-focused chat platform designed for communities, teams, and friends. Built with customization and user control in mind, Revolt offers a modern interface, fine-grained permissions, and robust moderation tools, making it ideal for those seeking a secure and flexible messaging solution.
Key benefits of Revolt include:
Open-Source & Self-Hosted: Customize and host your own instance of Revolt, ensuring full control over your data and environment.
Privacy-Focused Design: Built with user privacy at its core, Revolt collects minimal personal data and operates without ads or trackers.
Advanced Moderation Tools: Utilize fine-grained permission controls and comprehensive moderation tools to manage your community effectively.
Cross-Platform Accessibility: Access Revolt through web, desktop, and mobile applications, ensuring seamless communication across devices.
Community-Driven Development: Engage with an active community of developers and users, contributing to the continuous improvement of the platform.
A professional graphic design software used for creating vector-based artwork, such as logos, illustrations, and designs.
A powerful photo editing and illustration tool that enables users to transform images, remove unwanted elements with a click, and create photorealistic results using generative fill tools.
A free communication platform that enables users to connect via text, voice, and video.
A productivity app that blocks distracting websites, apps, and internet access across multiple devices.
A fast, secure, and widely used web browser developed by Google.
A note-taking app that helps users capture and organize ideas, lists, and reminders. Free with a Google account.