17 Best Open Source Chanty Alternatives
A curated collection of the 17 best open source and self-hosted alternatives to Chanty in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Chanty in 2026? The top open-source alternative is Macro Chat — Team chat with AI agents and unified workspace.
Other highly rated open-source Chanty alternatives include Rocket.Chat, Buzz and Mattermost.
Team chat with AI agents and unified workspace
Macro is a modern team collaboration platform that unifies chat, email, tasks, and AI agents into a single workspace. Designed for teams that want to reduce context switching, Macro offers inline threads, instant @mention sharing, and AI-powered assistance with full workspace context. - Inline threads & forum discussions: Keep conversations organized with threaded replies directly below messages. - @mention sharing: Instantly share docs, tasks, or email threads with channel members without permission dialogs. - Unified inbox: Combine email, chat, and tasks in one place for streamlined workflows. - AI agents with context: Type @Macro to summon an agent that summarizes missed conversations, drafts replies, or answers questions using your workspace data. - Built-in tasks & docs: Create and manage tasks and documents natively within the chat interface. - Unified search: Search across channels, email, docs, and tasks with a single query. - Open source (AGPLv3): Self-hostable and auditable, ensuring full control over your data. - Enterprise-ready: Includes CRM, calls, and advanced collaboration tools in a single seat. Macro is open source under the AGPLv3 license and can be self-hosted for complete data control. The platform prioritizes security with private, encrypted workspace data and offers flexible deployment options. For teams preferring a managed solution, Macro provides a hosted version with all features included.
Secure team chat with voice, video & AI
Rocket.Chat is a secure, open-source communication platform that centralizes real-time messaging, voice, video, and AI capabilities for teams and organizations. Designed for mission-critical operations, it offers robust data privacy, sovereignty, and compliance features. - Unified Communication: Real-time messaging, voice and video calls in a single platform - Multi-Environment Deployment: Cloud, on-premises, or air-gapped environments - Data Privacy & Sovereignty: End-to-end encryption, access controls, and compliance features - AI Integration: Privacy-first AI capabilities for workflow optimization - Cross-Organization Collaboration: Secure communication across teams and external stakeholders - Governance & Monitoring: Complete messaging governance and audit trails - Integration Hub: Connect tools, custom apps, and processes into one platform - Accessibility Compliance: WCAG 2.1 Level AA conformance for regulated procurement Rocket.Chat is fully open-source (MIT license) and can be self-hosted on any infrastructure. The platform supports Docker, Kubernetes, and traditional server setups. Enterprise-grade security features include SSO, 2FA, and granular permission controls. Documentation and developer guides are available for custom deployments and integrations.
Collaborative workspace for human and AI agent teams
Buzz is a collaborative workspace designed for human and AI agent teams to work together seamlessly. It consolidates communication, project management, and development tools into a single shared space. - Unified Collaboration: Chat with teammates and specialized agents in shared rooms, keeping context, decisions, and next steps in one place. - Agent Integration: Invite and manage AI agents tailored to your workflows, enabling them to collaborate with your team’s agents. - Project Management: Turn discussions into plans, code, reviews, and PRs without switching between tools. - Open Source: Fully open source project with community-driven development. - Enterprise Ready: Waitlist available for an enterprise version with company-wide access and advanced agent management. Buzz is an open source project available on GitHub. It can be self-hosted for full control over data and infrastructure. The project is built by Block and supports GDPR compliance.
Secure collaboration platform for mission-critical teams
Mattermost is an open-source collaboration platform designed for mission-critical work environments where security, compliance, and operational sovereignty are paramount. - Secure Collaboration: End-to-end encrypted messaging with granular access controls and audit logging - Mission-Critical Workflows: Built-in Playbooks for repeatable processes and incident response - AI Integration: Enterprise-grade AI capabilities with agentic workflows and MCP support - Multi-Domain Security: Air-gapped, on-prem, and private cloud deployment options - Interoperability: Native integrations with Microsoft Teams, Atlassian, GitLab, and 1,000+ other tools - Compliance Ready: SOC 2, HIPAA, FedRAMP, and ITAR compliant deployments - Developer Tools: Built-in code review, CI/CD pipelines, and API-first architecture - Global Trust: Deployed by governments, militaries, and Fortune 500 enterprises Mattermost is available as both a cloud-hosted solution and self-hosted open-source software. The self-hosted version can be deployed on any infrastructure with Docker, Kubernetes, or bare metal installations. Supports PostgreSQL, MySQL, and enterprise-grade security configurations. Full documentation available at docs.mattermost.com.
Self-hosted productivity platform for secure file sharing
Nextcloud is a self-hosted productivity platform that provides a safe home for all your data. It offers secure file sharing, collaboration tools, and a suite of integrated applications like calendars, contacts, mail, and more. - Secure File Storage & Sharing: End-to-end encrypted file storage with granular access controls and file versioning. - Collaboration Suite: Built-in tools for document editing, calendars, contacts, mail, and video conferencing. - App Ecosystem: Extensible with over 200+ community and official apps for enhanced functionality. - Self-Hosted & Private: Full control over your data with no third-party access or tracking. - GDPR Compliant: Designed with privacy in mind, meeting strict EU data protection regulations. - Cross-Platform Support: Available on desktop, mobile, and web with seamless synchronization. - Open Source: Transparent codebase with active community and enterprise support options. - Enterprise Features: Advanced security, scalability, and compliance tools for business use. Nextcloud is built with PHP and uses a relational database (MySQL, PostgreSQL, MariaDB) for storage. It supports Docker, Snap packages, and traditional server installations. The platform is highly scalable and can be deployed on-premises or in cloud environments. Comprehensive documentation and community support are available for self-hosting setups.
Organized team chat for distributed teams
Zulip is a powerful team chat application that organizes conversations into streams and topics, making it easier to follow discussions and reduce noise. Designed for distributed teams, it combines the flexibility of chat with the organization of email threads. - Stream-based organization: Conversations are structured into streams and topics for better clarity - Cross-platform support: Available as desktop, mobile, and web applications - Powerful search: Advanced search capabilities to find any conversation or file - Integrations: Extensive API and integration support for popular tools - Privacy controls: Strong privacy features including end-to-end encryption options - Self-hosting: Full control over your data with self-hosted deployment - Scalability: Suitable for teams of all sizes from small groups to large organizations - Open source: Community-driven development with transparent codebase Zulip is open source and can be self-hosted on your own infrastructure. The project provides comprehensive documentation for installation and maintenance. Cloud hosting is also available through Zulip Cloud for teams that prefer a managed solution. The software is built with Python, Django, and PostgreSQL, making it suitable for most server environments.
All-in-one open-source workspace for teams
Huly is an open-source platform designed to streamline team productivity by consolidating project management, communication, and knowledge sharing into a single workspace. - Unified Workspace: Combines team planning, project management, virtual office spaces, chat, documents, and inbox for seamless collaboration. - Keyboard Shortcuts: Work efficiently with instant access to common actions. - Team Planner: View all individual tasks in a centralized team calendar to keep track of the bigger picture. - Notifications: Receive instant updates on any changes to stay informed. - Time-Blocking: Transform daily tasks into structured time blocks for focused productivity. - Virtual Office: Create customized virtual office spaces with high-quality audio and video conferencing for remote teams. - GitHub Integration: Bidirectional synchronization with GitHub Issues and Projects for advanced task tracking and management. - Private Tasks: Securely manage and integrate multiple data repositories. - Advanced Filtering: Precise project data search with robust filtering capabilities. - Huly MetaBrain: Connect workflow elements to build a dynamic knowledge base for future AI-powered insights. Huly is open-source and can be self-hosted, providing full control over data and infrastructure. The platform is built with modern web technologies and supports scalable deployment for teams of all sizes.
Privacy-first open source chat app with voice & video
Fluxer is a privacy-first, open source chat application designed for friends, groups, and communities. It offers a comprehensive suite of communication features including text messaging, voice and video calls, screen sharing, and organized community channels—all while prioritizing user privacy and control. - Messaging: Full Markdown support, private DMs, group chats, and organized community channels with file sharing and link previews. - Voice & Video: Multi-device calls, built-in screen sharing, noise suppression, echo cancellation, and camera control. - Moderation Tools: Granular roles and permissions, audit logs, webhooks, and bot support for transparent community management. - Search & Navigation: Quick search through message history, filter by author or date, and a quick switcher with keyboard shortcuts. - Customization: Upload custom emojis and stickers, save media, apply custom CSS themes, and toggle compact mode. - Self-Hosting: Fully open source (AGPLv3) with no licensing fees. Host your own instance and switch between multiple servers. - Global Voice Regions: Sixteen voice regions across six continents for optimized call quality. - Multilingual Support: Available in over thirty languages with community-driven translations. Fluxer is fully open source under the AGPLv3 license. The backend can be self-hosted on your own hardware, and the same apps are used for both official and self-hosted instances. No license keys or cut-down community editions are required. For setup instructions, refer to the self-hosting guide.
Secure decentralized team messaging & collaboration
Element is a Matrix-based end-to-end encrypted messenger and secure collaboration app. It operates on the decentralized Matrix network, enabling interoperability and easy connections between different services. - End-to-end encryption for all communications - Decentralized architecture built on the open Matrix protocol - Self-hosting capability for digital sovereignty - Interoperability with other Matrix-compatible services - Cross-platform support (web, desktop, mobile) - Group messaging & collaboration tools - File sharing & voice/video calls - Enterprise-grade security with compliance options Element is built on the Matrix open standard and can be self-hosted for complete data control. The platform supports various deployment options including Docker containers and Kubernetes. For organizations requiring managed services, Element Matrix Services provides hosted solutions with enterprise support. Matrix protocol ensures data portability and interoperability across different Matrix clients and servers.
Self-hosted Slack alternative with code access
Campfire is a self-hosted group chat system designed for teams who want to avoid recurring subscription fees. Built by Basecamp, it offers a familiar Slack-like interface with essential features like direct messages, @mentions, and mobile support. - Self-hosted: Install on your own server or cloud provider (AWS, DigitalOcean, Hetzner, etc.) - No subscriptions: One-time setup with no ongoing fees - Essential chat features: Rooms, DMs, @mentions, dark mode, and mobile PWA support - Customizable: Full access to source code under MIT License for modifications - Private rooms: Create private or public rooms for different teams or projects - Air-gapped support: Works offline or on isolated networks - Automatic updates: Optional daily update checks with manual override - Chatbots: Simple HTTP API for integrating custom chatbots - Installation: Single command via ONCE CLI (curl https://get.once.com/campfire | sh) - System requirements: Scales from 250 users (2GB RAM, 1CPU) to 10,000 users (64GB RAM, 32CPU) - Compatibility: Runs on laptops, local servers, or cloud infrastructure - Mobile: Progressive Web App (PWA) with push notifications and badges - License: MIT License (free and open source)
Open-source Slack and Notion alternative
Colanode is a modern, all-in-one collaboration platform designed for teams seeking a flexible and self-hostable alternative to Slack and Notion. Built with local-first principles and powered by CRDTs, it ensures seamless synchronization and conflict-free collaboration across devices. - Local-first architecture: Save work to your device first, sync in the background for offline access and reduced latency. - Conflict-free collaboration: Powered by CRDTs (Conflict-free Replicated Data Types) for smooth multi-player editing without conflicts. - Self-hosting or cloud: Deploy on your own infrastructure or use the managed cloud version—your data, your choice. - Integrated workspace: Combine chat, rich text pages, databases, and file management in a single platform. - Real-time chat: Communicate with individuals or teams through channels with instant messaging. - Rich text pages: Create documents, wikis, and notes using an intuitive editor similar to Notion. - Structured databases: Organize information with custom fields, dynamic views (table, kanban, calendar), and relational data. - File management: Securely store, share, and manage files within dedicated workspaces. Colanode is open-source and designed for easy self-hosting. It supports deployment on various platforms including Docker, Kubernetes, and bare metal. Detailed self-hosting guides and documentation are available to help you get started. The platform is built with modern web technologies and prioritizes performance, security, and scalability.
Open-source group chat for communities
Stoat is the open-source group chat app for friends and communities that works the way you always wished it would. Built in Europe under strict data protection laws, it offers servers, channels, voice chat, file sharing, and more—without ads, data mining, or shady partnerships. - Servers & Channels: Organize conversations with dedicated servers and channels. - Voice Chat: Built-in voice chat for real-time communication. - File Sharing: Share files up to 20MB with no subscription required. - Markdown Support: Write messages with rich formatting. - Role-Based Permissions: Intuitive moderation tools for community management. - Cross-Platform Sync: Syncs across Windows, macOS, Linux, Android, iOS, and web. - Custom Themes: Theming options and CSS support for personalization. - Group DMs: Supports up to 50 members in group DMs. - Public API: Developers can build custom clients or bots using the powerful API. - Open Issue Tracker: Community-driven development with an open issue tracker. Stoat is open-source and can be self-hosted for full control over your data. The software is built with privacy in mind, ensuring no ads, data mining, or shady partnerships. Hosting is free and open, allowing you to manage your community without external dependencies. Download | Open Web App | GitHub Repository
Peer-to-peer encrypted messaging without servers
Whether it's for an organization, a community, or a group chat with friends, Quiet lets you control all your data without running your own servers. !Mockup of Quiet app on desktop and mobile - Peer-to-peer messaging: Syncs directly between devices over Tor, eliminating the need for central servers - End-to-end encryption: All data encrypted between member devices - Slack-like interface: Organize chats in channels for structured conversations - No email or phone required: Create or join communities without sharing personal contact details - File sharing: Send and receive files of unlimited size - Tor integration: Built-in Tor network for enhanced privacy and anonymity - Cross-platform support: Available for macOS, Windows, Linux, Android, and iOS - Community control: Data remains solely on users' devices, ensuring full ownership Quiet operates as a fully peer-to-peer network, meaning no servers are required to run the service. Users can install the app on their devices and create communities directly. The project is open-source and available on GitHub.
Secure end-to-end encrypted messenger for organizations
Wire is a trusted secure communication platform designed for organizations worldwide. Built with invisible end-to-end encryption, Wire ensures all conversations and data remain private and protected at all times. - End-to-End Encryption: All messages, calls, and files are encrypted by default, ensuring complete privacy. - Flexible Deployment: Choose from cloud, on-premises, or hybrid deployment to meet organizational needs. - Enterprise-Grade Security: SSO, granular permissions, and compliance-ready security for regulated environments. - Cross-Platform Support: Available on desktop, mobile, and web for seamless collaboration. - Scalable Collaboration: Designed for teams of all sizes, from SMBs to large enterprises and governments. - Intuitive Interface: User-friendly design that combines speed and simplicity with enterprise security. - Open Source: Transparent development with auditable code available on GitHub. - Compliance Ready: Meets strict regulatory requirements for data protection and sovereignty. Wire offers flexible deployment options including self-hosted solutions for organizations requiring full data control. The open-source server components allow for custom deployment in private cloud or on-premises environments. Technical documentation and developer resources are available for self-hosting and integration.
All-in-one community platform with AI agents
Mezon is an all-in-one community platform designed for live interaction, collaboration, and entertainment. Whether you're gaming with friends, organizing a worldwide community, or building a business hub, Mezon provides the tools to connect, engage, and monetize seamlessly. - Super-Fast Messaging: Zero-limit, instant delivery for seamless communication. - Voice Channels: Engage in real-time voice conversations with friends or community members. - Clan Customization: Create and personalize your own community space for discussions, hobbies, or trends. - In-Community Payments: Send money instantly, reward creators, and shop with zero platform fees. - AI Agents: Voice AI for summarizing conversations, Assistant Mode, and Bot Shadow Mode for text channel summaries. - Enterprise Integrations: Connect with global customers and deliver large-scale experiences. - Cross-Platform Access: Available on mobile (iOS/Android) and desktop. Mezon is a cloud-based platform with no self-hosting option. The open-source components and APIs are available for developers to integrate and extend functionality. For more details, visit the Developer Documentation.
Secure open-source messenger for professionals
Twake Chat is a secure and private-by-default messenger designed for professional communication. Built on the decentralized Matrix protocol, it ensures high levels of security and privacy while offering features like end-to-end encryption, multi-account support, and cross-device synchronization. - End-to-End Encryption (E2EE): Secure conversations with customizable security levels. - Multi-Account Support: Switch between personal and work accounts seamlessly. - Cross-Platform Sync: Synchronize messages and data across all devices (mobile, tablet, laptop). - Matrix Protocol Integration: Communicate across platforms like Telegram, Discord, and Signal via bridges. - Jitsi Integration: Built-in videoconferencing for improved collaboration. - Corporate Directory (SSO): Facilitate communication with contacts from phone books and corporate directories. - On-Premises Deployment: Host Twake Chat on your own infrastructure for enhanced security and performance. - User-Friendly Interface: Simple registration, usage, and maintenance with strong community support. Twake Chat is powered by the Matrix protocol and can be deployed on-premises or in the cloud. The open-source server (ToM-server) is available on GitHub, and the project offers technical documentation for self-hosting. Mobile apps are available for both Android and iOS.
Open source chat server for mobile and web apps
SAMA is a next-generation open source chat server designed for mobile and web applications. It provides a secure, scalable, and easy-to-use messaging solution with built-in end-to-end encryption and clustering capabilities. - Messaging: Rich media messages, status indicators, private/group chats, file attachments, and message history API - User Management: Authorization, profile editing, user search, and block list functionality - Multi-Device Support: Seamless connectivity across multiple devices with online/offline message delivery - Last Activity Tracking: Server-side tracking of online/offline status with subscription API - Push Notifications: APNS, FCM, and web push notifications for offline message delivery - Clustering: Built-in support for large-scale deployments and high user loads SAMA is open source and can be self-hosted. The server is built with modern technologies and supports clustering out of the box. Documentation and API references are available for developers looking to integrate or customize the solution. The project provides both backend (sama-server) and frontend (sama-client) components.
About Chanty
Chanty is a secure and easy-to-use team collaboration platform designed to supercharge teamwork. It combines messaging, video conferencing, and task management in one intuitive interface.
Key Features of Chanty
- Unlimited message history for seamless team communication
- Video and voice calls with screen sharing and 4K quality
- Task management with Kanban view, due dates, and task creation from messages
- Seamless integrations with popular tools like Slack, Trello, and Google Drive
- Team collaboration with file sharing, mentions, and threaded conversations
- Cross-platform support with apps for desktop, web, and mobile
- Security-focused with end-to-end encryption and GDPR compliance
- Customizable workflows tailored for various industries (healthcare, retail, education, etc.)
Tech / Self-Hosting
Chanty is a cloud-based SaaS solution with no self-hosting option available. The platform is GDPR compliant and prioritizes data security and privacy.