Directory

Apache-licensed BI web application with SQL Lab, a no-code chart builder, dashboards and connectors to any SQLAlchemy-compatible database

Open-source password manager with hosted and self-hosted server options, passkey support, organization sharing and a separate Secrets Manager for developers

Webrecorder's browser-based web archiving system, available hosted or self-hosted, that crawls sites with real browsers into signed WACZ files replayable with ReplayWeb.page

Free diagramming editor (formerly diagrams.net) for flowcharts, network, UML and architecture diagrams, available as web app, desktop app and integrations

Open-source virtual whiteboard for hand-drawn-style diagrams with live collaboration, embeddable as a React component, plus a hosted Excalidraw+ service

Web data API that scrapes, crawls, maps and searches websites and returns clean Markdown or structured JSON for LLM pipelines, with an AGPL-licensed self-hostable core

Community-governed self-hosted Git forge forked from Gitea, stewarded by Codeberg e.V., with pull requests, issues, packages and Forgejo Actions

Open-source wealth-tracking web app for stocks, ETFs, crypto and other assets, self-hostable with Docker or used as a hosted service

Lightweight self-hosted Git forge written in Go with repositories, pull requests, issues, packages and GitHub-compatible Actions, deployable as a single binary

Microsoft-owned code hosting platform for Git repositories with pull requests, issues, Actions CI/CD, package registry, Copilot and the largest open-source community

Open-core DevSecOps platform combining Git hosting, merge requests, integrated CI/CD pipelines, registry and security scanning, available as SaaS or self-managed

Dashboarding and alerting platform that visualizes metrics, logs and traces from Prometheus, SQL databases and dozens of other data sources

Open-source API client that runs in the browser or as a desktop app, supports REST, GraphQL and realtime protocols, and can be self-hosted for teams

Secrets, certificate and privileged-access management platform with an MIT-licensed core, available as a hosted service or self-hosted deployment

Prefix-style API from Jina AI that converts any public URL into LLM-ready Markdown (r.jina.ai) or returns web search results with content (s.jina.ai), with open-source server code

Open-source LLM observability and evaluation platform: tracing, LLM-as-judge and human evals, prompt management, datasets and cost dashboards, self-hostable or as Langfuse Cloud

LangChain's hosted platform for tracing, evaluating and deploying LLM applications and agents, with prompt tooling, an LLM gateway and cloud, hybrid or self-hosted options

Open-source vector-tile map renderers for web (GL JS) and native platforms, forked from Mapbox GL and governed by a community organisation

Reactive Python notebook stored as a plain .py file that re-runs dependent cells automatically and doubles as a script or web app

Self-hostable BI tool with a no-code question builder, SQL editor, dashboards and embedding; AGPL open-source edition plus commercial Pro and Enterprise

Open-source learning management system used by universities and schools for courses, assignments, quizzes, grading and forums, self-hosted or via MoodleCloud

React framework from Vercel for full-stack web applications with file-based routing, server components, server-side rendering, static generation and API route handlers

Modular open-source business suite (CRM, invoicing, accounting, inventory, website, HR) with an LGPL community edition and a hosted or licensed enterprise edition

Collaboratively edited world map database released under the ODbL, with planet files, an editing API and derived tiles and extracts