#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.

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.

Passbolt

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

Penpot

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

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.

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.

Hanko

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

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.

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.

Internxt

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

Nextcloud

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

Grafana

Visualise metrics, logs, and traces in unified dashboards — open-source observability with Prometheus, Loki, and Tempo, deployable anywhere or as a managed cloud service.

Mattermost

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

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.

Formbricks

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

Element

Experience secure, end-to-end encrypted messaging and collaboration. A decentralised platform for sovereign communication, offering self-hosting or managed services.

LimeSurvey

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

ZITADEL

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

Filen

Experience secure, end-to-end encrypted cloud storage. Manage, sync, and collaborate on files with zero-knowledge privacy. Hosted in Germany.

Proton Mail

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

Codeberg

Community-driven Git hosting platform for free and open source projects. Non-profit organization based in Berlin offering secure, privacy-focused development tools.

Proton Pass

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

Kolab Now

Manage email, calendars, contacts, tasks, and files securely with this Swiss-hosted, open-source groupware. Prioritizes privacy and collaboration.

solidtime

Manage projects, tasks, clients, and billing with this open-source time tracker. Offers team collaboration, PWA mobile access, and easy data migration.