Open-source projects built with Vitest

n8n

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

Ollama

A tool for downloading and running open large language models on your own computer or server, with a local REST API.

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.

Immich

A self-hosted photo and video manager with mobile apps that back up media from your phone to your own server.

Supabase

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

Grafana

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

Apache Superset

An open-source data exploration and visualization platform for building charts and dashboards over SQL databases, run by the Apache Software Foundation.

Strapi

A headless CMS written in JavaScript/TypeScript that you self-host, with a configurable admin panel and REST and GraphQL APIs.

Prometheus

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

Penpot

A browser-based design and prototyping tool where designers and developers work on the same files, with SVG as its native format.

Plane

An open-source project and issue tracker with cycles and modules, built as a Jira alternative.

Gitea

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

Twenty

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

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.

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.

Payload

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

PhotoPrism

A self-hosted photo library that uses AI-based tagging and face and place recognition to browse and search your pictures and videos.

PostHog

A product analytics platform that also includes session replay, feature flags, experiments and surveys, offered as PostHog Cloud or a self-hosted deployment.

Umami

A self-hosted, privacy-focused web analytics tool that works without cookies.

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.

Chatwoot

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

Nextcloud

A self-hosted file sync and sharing platform with an app store for calendar, contacts, mail and chat.

Medusa

A Node.js commerce platform with a built-in framework for building custom online stores, marketplaces and B2B commerce apps.

Langfuse

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

Actual Budget

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

Typesense

A typo-tolerant search engine for sites and apps that you run yourself as a single binary or use as a managed cluster on Typesense Cloud.

Jenkins

A Java-based, self-hosted automation server with a large plugin ecosystem, mostly used to build, test and deploy software.

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.

Docmost

An open-source collaborative wiki and documentation tool with real-time editing, spaces, groups and page history.

Matomo

A self-hosted web analytics platform written in PHP that stores its data in your own MySQL or MariaDB database.

OpenProject

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

Formbricks

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

Woodpecker CI

A lightweight, container-based CI/CD engine that you host yourself and connect to your Git forge.

Zammad

A web-based helpdesk and ticketing system that handles email, chat, phone and social channels in one place.

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.

ownCloud Infinite Scale

A self-hosted file sync and sharing platform written in Go, shipped as a single binary or container, with desktop and mobile clients.