A curated list of privacy‑focused, secure, and often self‑hosted software for team collaboration and project management.
All information is taken directly from the official websites.
| Tool | Description | Privacy / Security Features | Deployment |
|---|---|---|---|
| OpenProject | The leading open‑source project management software for classic, agile, and hybrid project management. | Full data sovereignty by hosting on your own infrastructure; meets highest security and data privacy standards | Self‑hosted / Cloud (EU) |
| Plane | Open‑source project management tool to track issues, run cycles, and manage roadmaps without the chaos of managing the tool itself. | Self‑host on your infrastructure to take full ownership of your data, workflows, and security posture with no shared tenancy. Includes RBAC, SAML, LDAP, and OIDC support | Self‑hosted |
| Planka | Open‑source real‑time Kanban board for project management – an alternative to Trello and Asana built with React and Node.js. | Self‑host to keep full ownership of your project data with zero per‑user fees. | Self‑hosted (Docker) |
| Remote.Team | Secure teamwork platform that combines encrypted business chat, task management, project management, and activity analytics in a single interface. | End‑to‑end encryption for tasks and private discussions. Data is encrypted on the sender’s device and can only be decrypted on the recipient’s device, preventing access by third parties, including the platform operators. Smart reminders, auto‑escalation of overdue tasks, anonymous/public polls, guest access, LiveChat for website. | Cloud |
| Stackfield | All‑in‑one project management tool that lets teams work on tasks, documents, and projects – with the option to protect data using end‑to‑end encryption when required. Based in Germany, GDPR‑compliant, ISO‑certified. | Client‑side end‑to‑end encryption ensures no one can view the contents of chat messages, tasks, or files without authorisation. All data hosted exclusively in German data centres. | Cloud (Germany) |
| Worklist | Private task management platform for teams who can’t afford leaks – “The only task management platform where even we can’t see your data.” | True zero‑knowledge encryption. Data encrypted client‑side with ChaCha20‑Poly1305 AEAD (same as Signal). Even if subpoenaed or breached, data remains unreadable gibberish. | Cloud |
| Twake | Open‑source collaborative suite that unifies instant messaging, drive, calendar, and project management into a sovereign and intelligent workplace – a modern alternative to Google Workspace or Microsoft 365. | Privacy‑first, open‑source platform built with the community. End‑to‑end encryption, GDPR‑compliant. Self‑hosting gives full data control. | Self‑hosted / Cloud |
| Wekan | Open‑source kanban board that lets you organise things in cards, and cards in lists – a self‑hosted alternative to Trello. | You don’t have to trust us with your data. Install on your own computer or server for complete privacy and control. | Self‑hosted |
| Tool | Description | Privacy / Security Features | Deployment |
|---|---|---|---|
| Mattermost | Secure collaboration platform trusted by the US Armed Forces and Fortune 500. Offers messaging, file sharing, workflow automation, and AI agents powered by fully on‑premises sovereign AI models. | Self‑hosted solution that sits behind your firewall, with no third‑party data access. Complete data sovereignty, full source code access, and advanced compliance auditing. | Self‑hosted |
| Rocket.Chat | Secure collaboration platform with end‑to‑end encryption, federated governance, and post‑quantum security groundwork – deployable on‑premises or in the cloud. | End‑to‑end encryption as core infrastructure with modern key handling and resistance to offline attacks. ISO 27001 certified, supports GDPR, HIPAA, FINRA, FedRAMP. | Self‑hosted / Cloud |
| Element | Secure messenger and productivity collaboration app with end‑to‑end encryption for video conferencing, file sharing, and voice calls – operates on Matrix, an open decentralised network. | True end‑to‑end encryption so no one else can eavesdrop, not even server admins. Self‑hosted for maximum ownership and control of your data. Cross‑signed device verification. | Self‑hosted / Cloud |
| Wire | Comprehensive secure workspace for team productivity with audio, video, messaging, and file sharing – providing frictionless worker productivity protected by stringent security. | All communication – messages, conference calls, and files – is always end‑to‑end encrypted. Each message encrypted with a new key. Full data ownership via private cloud and on‑premises deployments. Open‑source, independently audited. | Self‑hosted / Cloud |
| Threema Work | Highly secure, user‑friendly, and GDPR‑compliant communication solution for businesses. Text and voice messages, group chats, secure voice/video calls, screen sharing, and file sharing – all protected. | All messages, calls, and files are fully end‑to‑end encrypted. Use without a phone number or email address. Servers located in Switzerland. Regular independent security audits. | Cloud (Switzerland) |
| Tool | Description | Privacy / Security Features | Deployment |
|---|---|---|---|
| ActivityWatch | Free and open‑source automated time tracker – cross‑platform, extensible, and privacy‑focused. An open‑source alternative to RescueTime. | All data stored locally on your device – we put local and privacy first. Unlike cloud‑based trackers, your data never leaves your device. | Self‑hosted / Local |
| solidtime | Modern open‑source time‑tracking app designed for freelancers, teams, and organisations that need a self‑hosted solution for tracking work hours – built with Laravel. | Privacy‑friendly time tracking – self‑hosted solution for full data control. Supports multi‑organisation setups with a flexible role‑ and permission‑based user system. | Self‑hosted |
| Tool | Description | Privacy / Security Features | Deployment |
|---|---|---|---|
| Reborn Apps | Suite of zero‑knowledge encrypted task manager (re/task) and notes app (re/notes). Open‑source, end‑to‑end encrypted productivity apps built with a Zero Knowledge architecture. | All user data encrypted on your device before it reaches the server. The server stores only ciphertext and cannot read your tasks, notes, or metadata. AES‑256‑GCM, Argon2id, PBKDF2 600K iterations | Cloud (EU) / Self‑hostable |
| Lunatask | All‑in‑one encrypted to‑do list, habit tracker, journaling, life‑tracking, and notes & knowledge management app. | All data end‑to‑end encrypted – your data is none of our business. Encrypted on your device before being sent to the cloud, with a strict no‑tracking policy. | Cloud |
| CryptPad | Privacy‑first, end‑to‑end encrypted collaboration suite that empowers teams to work together securely without sacrificing confidentiality – a collaborative office suite developed by XWiki SAS. | All data end‑to‑end encrypted in the browser – no readable data leaves the user’s device. Even service administrators cannot see document content. Open‑source, real‑time collaboration. | Self‑hosted / Cloud |
This is an informational repository, not a codebase. Please do not send pull requests with code.
To suggest a tool to be added or to report incorrect information, please open an Issue with verifiable references and links to official sources.
The text content of this repository is licensed under CC BY‑SA 4.0. All trademarks and logos are the property of their respective owners.
Last updated: June 2026 — Information verified from official sources.