13 Best Open Source Twist Alternatives
A curated collection of the 13 best open source and self-hosted alternatives to Twist in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Twist in 2026? The top open-source alternative is Macro Chat — Team chat with AI agents and unified workspace.
Other highly rated open-source Twist 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.
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)
Privacy-focused Matrix client
Cinny is a modern, privacy-focused Matrix client that prioritizes simplicity and performance. Built with web technologies, it offers a clean interface while ensuring your data remains under your control. - Privacy-first: End-to-end encryption and no tracking - Lightweight: Fast and resource-efficient - Cross-platform: Works on web, desktop, and mobile - Customizable: Themes and plugins for enhanced functionality - Self-hostable: Full control over your data - Matrix protocol: Interoperable with other Matrix clients - Open source: Community-driven development Cinny is built with TypeScript and React, making it easy to self-host on any server. The project provides Docker images and detailed deployment guides for seamless setup. All data is stored on your own infrastructure, ensuring maximum privacy and compliance with data protection regulations.
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.
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.
About Twist
Twist is an async messaging platform designed to make team collaboration easier by organizing conversations in threads, reducing distractions, and promoting deep work. Unlike traditional chat apps, Twist eliminates the pressure of constant notifications and "always-on" status indicators, helping teams stay focused on meaningful work.
Key Features of Twist
- Threaded Conversations: Organize discussions by topic to keep important information accessible and on-topic.
- Smart Notifications: Prioritize messages to reduce notification overload and encourage focused work.
- Private Messages: One-on-one communication with familiar chat features like GIFs and emojis.
- Integrations: Connect with tools like Google Drive, GitHub, Zoom, and Zapier to streamline workflows.
- Async-First Design: Eliminates "always-on" status bubbles and back-to-back meetings, promoting deep work.
- Contextual Access: Easily reference past conversations to onboard new team members and share historical context.
- Cross-Timezone Collaboration: Designed for globally distributed teams to work efficiently without real-time pressure.
- Customer Stories: Recognized by Fast Company as a World Changing Idea, with testimonials from teams that switched from Slack.
Tech / Self-Hosting
Twist is a cloud-based SaaS application developed by Doist Inc. It does not offer self-hosting options. The platform prioritizes privacy and security with encrypted communications and GDPR compliance.