Vikunja

An open-source task managament tool with offline-first apps.

European Ad-Free Open Source Privacy Friendly Free of Charge Works Offline Self-Hostable No AI Bloat
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Description

Vikunja is an open-source, self-hostable task and project management tool developed in Germany. It provides offline-first clients, multiple views and a focus on privacy and data control.

Features include task and project management, subtasks, team collaboration and CalDAV sync. Vikunja is free to use when self-hosted and prioritises user privacy by not selling data or metadata. It also avoids AI-bloat in its core functionality.

In early 2026 Vikunja has faced a series of critcal security vulnerabilities which were addressed with its 2.0.0 and later 2.3.0 releases.

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Sustainability Features of Vikunja

European - Based in Europe, ensuring compliance with GDPR and European privacy and labor regulations.

Vikunja is developed in Germany.

Ad-Free - Services that do not display advertisements to users, ensuring a cleaner and more private experience.

Vikunja does not include advertisements in its interface.

Open Source - Free and Open-Source Software

Vikunja is open-source, enabling users to access, modify and contribute to its codebase.

Privacy Friendly - It does not track users unnecessarily.

Vikunja prioritises user privacy and does not sell user data or metadata

Free of Charge - The services provided can be used for free.

Vikunja is free to use when self-hosted.

Works Offline - Works even without internet connection

Vikunja supports offline-first clients, allowing users to work without an active internet connection.

Self-Hostable - Services that can be hosted by users, giving full control over data and enhancing privacy.

Vikunja can be self-hosted, giving users full control over their data and infrastructure.

No AI Bloat - Service forgoes inclusion of unnecessary AI features.

Vikunja does not have AI features built into its core functionality, however it provides an MCP Server that allows for interaction with AI agents.

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Summary

Vikunja is a privacy-focused, flexible task manager that gives users full control over their data.

Sustainability Score
92

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Suggestions and Feedback

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