#open-source

OpenProject

Achieve project success with versatile open source software for classic, agile, or hybrid management. Features task tracking, Gantt charts, boards, and secure collaboration.

Joplin

Open source note-taking with Markdown, notebooks, web clipper, and end-to-end encrypted sync across desktop and mobile, self-hosted or via Joplin Cloud.

Piwigo

Open source photo management with album hierarchies, granular permissions, 200+ plugins, and hosting that stays in Europe, self-hosted or managed cloud.

Plausible

Privacy-first web analytics — no cookies, no personal data, no consent banner required. Open-source, EU-hosted, 75× smaller than Google Analytics, and trusted by 17,000+ paying subscribers.

Penpot

Design tool that connects designers and developers seamlessly. Create prototypes, UI designs, and generate code in one platform with no handoff drama.

PhotoPrism

Self-hosted photo library with AI search, face recognition, RAW support, and world maps, keeping every picture on hardware you control.

BorgBase

Host Borg and Restic backup repositories with append-only protection, monitoring, and alerts — starting at 10 GB free, with EU or US datacenter choice.

Passbolt

Manage passwords and secrets securely with an open-source platform for teams. Offers end-to-end encryption, granular sharing, and flexible hosting options.

Internxt

Open-source cloud storage with zero-knowledge encryption, post-quantum security, and complete privacy. Access Drive, Mail, VPN, and more with GDPR compliance.

Proton Pass

Securely manage passwords, passkeys, and email aliases. Enjoy autofill, 2FA, secure sharing, and dark web monitoring. Open-source and free forever.

Shopware

Build, scale, and customise your online store with an open-source commerce platform — headless-ready, B2B-capable, and trusted by 100,000+ merchants across Europe.

Home Assistant

Open-source home automation running entirely locally — control 3,500+ smart home integrations with no cloud dependency, no subscription, and no data leaving your home.

TYPO3

Enterprise open source CMS with multisite and multilingual management, long-term support releases, a dedicated security team, and WCAG accessibility support.

Vikunja

Open source task management with Kanban boards, lists, Gantt view, CalDAV sync, and a built-in Trello importer, self-hosted or in the cloud.

Hanko

Open source authentication solution with passkeys, 2FA, SSO support. GDPR compliant, built in Europe. Switch between self-hosted and cloud anytime.

Mattermost

Open-source team messaging for mission-critical work — self-hosted, air-gappable, with playbooks, AI agents, and integrations for DevOps and defence teams.

Nextcloud

Achieve data sovereignty with a self-hosted content collaboration platform. Features file sync, chat, video calls, groupware, and an online office suite.

Mastodon

Decentralised open-source microblogging on the ActivityPub standard — no ads, no algorithm, no single point of control, federated across thousands of community-run servers.

Forgejo

Self-host Git repositories, issue tracking, CI/CD, and package registries on a lightweight open-source forge governed by a non-profit — with no corporate lock-in.

ZITADEL

Manage user identities securely with customizable authentication, SSO, MFA, and RBAC. Offers easy APIs, programmable workflows, and multi-tenancy for developers.

Proton Mail

Experience secure, encrypted email protected by Swiss privacy laws. Block trackers, prevent phishing, and keep your conversations private. Free and open source.

Formbricks

Open source experience management platform for gathering user feedback on websites and apps. GDPR-compliant cloud or self-hosted options available.

LimeSurvey

Quickly create free, open-source online surveys and polls. Offers advanced features, 80+ languages, and easy design for insightful data collection.

WeKan

Open source Kanban board with drag and drop cards, swimlanes, WIP limits, and full self-hosting for complete data control.