Open-source projects built with Sentry

n8n

A source-available workflow automation tool with a visual editor, code steps and a large integration library.

Excalidraw

A virtual whiteboard for sketching hand-drawn style diagrams, available as a web app and as an embeddable React component.

Supabase

A Postgres-based backend platform that bundles a database, auth, auto-generated APIs, storage, realtime and edge functions, available hosted or self-hosted.

Coolify

A platform for deploying applications, databases and services on your own servers over SSH.

Twenty

A modern open-source CRM you can self-host and extend through its API.

Appwrite

An open-source backend platform with authentication, databases, storage, functions, messaging and hosting, available as managed cloud or self-hosted.

A note-taking app for desktop, mobile and terminal that syncs through your own storage or a Joplin server, with optional end-to-end encryption. The Joplin Server for self-hosted sync is under a separate personal-use license and is not open source.

Ghost

A publishing platform for blogs, newsletters and paid memberships, which you can self-host or use as the managed Ghost(Pro) service.

Cal.diy

The open-source community edition of Cal.com: a scheduling and booking-page tool you can self-host. It is MIT licensed; Cal.com itself has been closed source since April 2026.

Logseq

A privacy-first, open-source knowledge base and outliner that stores notes locally and links them with [[backlinks]].

Payload

A TypeScript CMS and application framework that runs inside Next.js and generates an admin panel and APIs from one config.

Mattermost

A self-hostable team chat platform with channels, threads and integrations, popular for secure and technical teams.

Chatwoot

A customer support inbox that brings live chat, email and social channels into one shared view for support teams.

Langfuse

An open-source platform for tracing, evaluating and managing prompts for LLM applications.

Zulip

A self-hostable team chat app that organizes every conversation into topics inside channels.

authentik

A self-hosted identity provider that offers SSO with OIDC, SAML, LDAP, SCIM, RADIUS and a reverse proxy.

Activepieces

A workflow automation tool with a no-code builder and a TypeScript integration framework, available self-hosted or as a cloud service.

Saleor

A GraphQL-only, API-first commerce platform written in Python and Django for building headless online stores.

Formbricks

An open-source survey and feedback tool for in-product and link surveys that you can self-host.

Vikunja

A self-hosted to-do and task manager with lists, Kanban, Gantt and table views, shared projects and a full API.

OpnForm

An open-source form builder with a no-code editor, embeds, integrations and a hosted cloud or a Docker self-hosted option.

Taiga

An open-source project management tool for agile teams with Scrum backlogs and sprints, Kanban boards, epics, issues and a wiki.