Open-source projects built with CodeMirror

n8n

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

Open WebUI

A self-hosted AI chat interface for local and cloud models, with multi-user access control.

Excalidraw

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

Grafana

A dashboard and visualization tool that queries many data sources such as Prometheus, with a commercial Enterprise edition and a hosted Grafana Cloud.

Prometheus

A metrics monitoring and alerting system that stores time series locally and is queried with PromQL; a CNCF graduated project.

A no-code database interface that turns tables into spreadsheet-style views, forms and APIs, available as a self-hosted Community edition or as a hosted service.

Gitea

A lightweight self-hosted Git service with issues, pull requests, a package registry and built-in CI (Gitea Actions).

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.

Metabase

A business intelligence tool where people ask questions of their databases through a query builder or SQL and build dashboards.

A discussion forum platform for communities that you can install with Docker on your own server or use as official Discourse hosting.

Rocket.Chat

A self-hostable team communications platform with chat, channels, and omnichannel customer messaging.

Logseq

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

Portainer

A web UI for managing containers on Docker, Swarm, Podman, Kubernetes and ACI, offered as a free Community Edition and a paid Business Edition.

Langfuse

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

An observability platform built on OpenTelemetry that combines logs, metrics, traces, alerts and dashboards in one place.

Actual Budget

A local-first personal finance and envelope budgeting app that you can self-host, with optional sync across devices.

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.

Listmonk

A self-hosted newsletter and mailing list manager that ships as a single binary and uses your own SMTP provider.

BookStack

A self-hosted wiki and documentation platform that organises content as shelves, books, chapters and pages.

OpenProject

A web-based project management system for classic, agile and hybrid projects, with Gantt charts, boards, time tracking and a work package model.

Roundcube

A browser-based, multilingual IMAP webmail client written in PHP that you host in front of your own mail server.

OpnForm

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

LimeSurvey

A PHP survey platform with conditional logic, multilingual surveys and a remote-control API, available self-hosted or as a paid cloud service.

Keila

An open-source newsletter tool for sending campaigns and building sign-up forms, which you can self-host or use as a paid cloud service.