A continuously updated index of open source projects: what each one does, how it is licensed, what it replaces and how to get started.https://opensource.fyi/enhttps://opensource.fyi/projects/nextcloud/https://opensource.fyi/projects/nextcloud/Nextcloud is an open source, self-hosted collaboration platform for file sync and sharing, calendars, contacts, chat and online office documents.Tue, 10 Nov 2026 14:50:00 GMTProductivity & Notesfile-syncself-hostedcollaborationhttps://opensource.fyi/projects/home-assistant/https://opensource.fyi/projects/home-assistant/Home Assistant is an open source home automation platform that connects thousands of smart devices and runs automations locally, without a cloud dependency.Tue, 10 Nov 2026 14:40:00 GMTHome & IoThome-automationsmart-homeself-hostediothttps://opensource.fyi/projects/bevy/https://opensource.fyi/projects/bevy/Bevy is an open source, data-driven game engine built in Rust around an entity component system, with 2D and 3D rendering and hot reloading.Tue, 10 Nov 2026 14:30:00 GMTGames & Graphicsgame-enginerustecshttps://opensource.fyi/projects/godot/https://opensource.fyi/projects/godot/Godot is an open source game engine for 2D and 3D games, with a node-based scene system, its own GDScript language and export to desktop, mobile and web.Tue, 10 Nov 2026 14:20:00 GMTGames & Graphicsgame-engine2d3dhttps://opensource.fyi/projects/bun/https://opensource.fyi/projects/bun/Bun is an open source JavaScript runtime with a built-in package manager, bundler and test runner, designed as a fast drop-in replacement for Node.js.Tue, 10 Nov 2026 14:10:00 GMTSystems & OSjavascriptruntimebundlerpackage-managerhttps://opensource.fyi/projects/deno/https://opensource.fyi/projects/deno/Deno is an open source JavaScript and TypeScript runtime built on V8 and Rust, with secure-by-default permissions, built-in tooling and npm compatibility.Tue, 10 Nov 2026 14:00:00 GMTSystems & OSjavascripttypescriptruntimehttps://opensource.fyi/projects/pi-hole/https://opensource.fyi/projects/pi-hole/Pi-hole is an open source DNS sinkhole that blocks ads and trackers for every device on a network, with a web dashboard and query logging.Tue, 10 Nov 2026 13:50:00 GMTNetworkingdnsad-blockingprivacyself-hostedhttps://opensource.fyi/projects/medusa/https://opensource.fyi/projects/medusa/Medusa is an open source commerce platform for Node.js. It provides modules for products, carts, orders and payments to build custom commerce applications.Tue, 10 Nov 2026 13:40:00 GMTBusiness & Financee-commerceheadless-commercenodejshttps://opensource.fyi/projects/strapi/https://opensource.fyi/projects/strapi/Strapi is an open source headless CMS for Node.js. Define content types in an admin panel and get REST and GraphQL APIs for any front end.Tue, 10 Nov 2026 13:30:00 GMTCMS & Publishingheadless-cmsapinodejshttps://opensource.fyi/projects/ghost/https://opensource.fyi/projects/ghost/Ghost is an open source publishing platform for blogs and newsletters with built-in memberships, paid subscriptions and email delivery.Tue, 10 Nov 2026 13:20:00 GMTCMS & Publishingbloggingnewslettermembershipscmshttps://opensource.fyi/projects/jellyfin/https://opensource.fyi/projects/jellyfin/Jellyfin is an open source media server that organises and streams your own movies, TV, music and photos to apps on almost every device.Tue, 10 Nov 2026 13:10:00 GMTMedia & Entertainmentmedia-serverstreamingself-hostedhttps://opensource.fyi/projects/penpot/https://opensource.fyi/projects/penpot/Penpot is an open source design and prototyping platform that runs in the browser, uses SVG natively and can be self-hosted.Tue, 10 Nov 2026 13:00:00 GMTDesign & Creativedesignprototypingui-designdesign-tokenshttps://opensource.fyi/projects/jitsi-meet/https://opensource.fyi/projects/jitsi-meet/Jitsi Meet is open source video conferencing that runs in the browser with no account required. It can be used on meet.jit.si or self-hosted with Docker.Tue, 10 Nov 2026 12:50:00 GMTCommunication & Collaborationvideo-conferencingwebrtcself-hostedhttps://opensource.fyi/projects/appflowy/https://opensource.fyi/projects/appflowy/AppFlowy is an open source workspace for documents, wikis, databases and kanban boards, built with Flutter and Rust, that you can use offline or self-host.Tue, 10 Nov 2026 12:40:00 GMTProductivity & Notesnotesknowledge-baseproject-managementhttps://opensource.fyi/projects/keycloak/https://opensource.fyi/projects/keycloak/Keycloak is an open source identity and access management server that provides single sign-on, OAuth 2.0, OpenID Connect, SAML and user federation.Tue, 10 Nov 2026 12:30:00 GMTSecurity & Privacyauthenticationssooauthidentityhttps://opensource.fyi/projects/vaultwarden/https://opensource.fyi/projects/vaultwarden/Vaultwarden is an open source, self-hosted password manager server written in Rust. It implements the Bitwarden API, so official Bitwarden apps work with it.Tue, 10 Nov 2026 12:20:00 GMTSecurity & Privacypassword-managerself-hostedrusthttps://opensource.fyi/projects/posthog/https://opensource.fyi/projects/posthog/PostHog is an open source product analytics platform that combines event analytics, session replay, feature flags, A/B testing and surveys.Tue, 10 Nov 2026 12:10:00 GMTAnalytics & Monitoringproduct-analyticssession-replayfeature-flagshttps://opensource.fyi/projects/prometheus/https://opensource.fyi/projects/prometheus/Prometheus is an open source monitoring system and time-series database. It scrapes metrics over HTTP, stores them, and evaluates queries and alert rules.Tue, 10 Nov 2026 12:00:00 GMTAnalytics & Monitoringmonitoringmetricstime-seriesalertinghttps://opensource.fyi/projects/grafana/https://opensource.fyi/projects/grafana/Grafana is an open source platform for dashboards and visualisation. It queries Prometheus, Loki, databases and dozens of other sources and adds alerting.Tue, 10 Nov 2026 11:50:00 GMTAnalytics & Monitoringobservabilitydashboardsmetricshttps://opensource.fyi/projects/caddy/https://opensource.fyi/projects/caddy/Caddy is an open source web server and reverse proxy written in Go. It obtains and renews TLS certificates automatically and is configured with a short Caddyfile.Tue, 10 Nov 2026 11:40:00 GMTNetworkingweb-serverreverse-proxyhttpshttps://opensource.fyi/projects/traefik/https://opensource.fyi/projects/traefik/Traefik is an open source reverse proxy and load balancer that discovers services from Docker, Kubernetes and other providers and configures routes automatically.Tue, 10 Nov 2026 11:30:00 GMTNetworkingreverse-proxyload-balancerkuberneteshttps://opensource.fyi/projects/coolify/https://opensource.fyi/projects/coolify/Coolify is an open source, self-hostable platform for deploying applications, databases and services to your own servers, a self-hosted Heroku alternative.Tue, 10 Nov 2026 11:20:00 GMTDevOps & Infrastructurepaasself-hosteddeploymenthttps://opensource.fyi/projects/opentofu/https://opensource.fyi/projects/opentofu/OpenTofu is an open source infrastructure-as-code tool forked from Terraform, governed by the Linux Foundation and compatible with existing providers.Tue, 10 Nov 2026 11:10:00 GMTDevOps & Infrastructureinfrastructure-as-codeterraformcloudhttps://opensource.fyi/projects/kubernetes/https://opensource.fyi/projects/kubernetes/Kubernetes is an open source system for automating the deployment, scaling and management of containerised applications across clusters of machines.Tue, 10 Nov 2026 11:00:00 GMTDevOps & Infrastructurecontainersorchestrationcloud-nativehttps://opensource.fyi/projects/qdrant/https://opensource.fyi/projects/qdrant/Qdrant is an open source vector database written in Rust. It stores embeddings with payloads and serves fast filtered similarity search over an API.Tue, 10 Nov 2026 10:50:00 GMTDatabases & Searchvector-searchvector-databaserusthttps://opensource.fyi/projects/valkey/https://opensource.fyi/projects/valkey/Valkey is an open source, BSD-licensed key-value datastore forked from Redis in 2024, maintained under the Linux Foundation and compatible with Redis clients.Tue, 10 Nov 2026 10:40:00 GMTDatabases & Searchkey-valuecachein-memoryhttps://opensource.fyi/projects/duckdb/https://opensource.fyi/projects/duckdb/DuckDB is an open source, in-process SQL database built for analytics. It queries Parquet, CSV and JSON files directly and embeds in Python, R and more.Tue, 10 Nov 2026 10:30:00 GMTDatabases & Searchsqlanalyticsolapembedded-databasehttps://opensource.fyi/projects/hono/https://opensource.fyi/projects/hono/Hono is an open source web framework built on Web Standards. It runs on Cloudflare Workers, Deno, Bun, Node.js and other JavaScript runtimes.Tue, 10 Nov 2026 10:20:00 GMTWeb Frameworkstypescriptedgeapicloudflare-workershttps://opensource.fyi/projects/fastapi/https://opensource.fyi/projects/fastapi/FastAPI is an open source Python framework for building APIs. Standard type hints drive request validation, serialisation and automatic OpenAPI docs.Tue, 10 Nov 2026 10:10:00 GMTWeb Frameworkspythonapiasynchttps://opensource.fyi/projects/django/https://opensource.fyi/projects/django/Django is an open source Python web framework with an ORM, migrations, authentication, an automatic admin interface and strong security defaults.Tue, 10 Nov 2026 10:00:00 GMTWeb Frameworkspythonbackendormhttps://opensource.fyi/projects/nextjs/https://opensource.fyi/projects/nextjs/Next.js is an open source React framework for full-stack web apps, with file-based routing, server components, server rendering and static generation.Tue, 10 Nov 2026 09:50:00 GMTWeb Frameworksreactjavascriptssrhttps://opensource.fyi/projects/svelte/https://opensource.fyi/projects/svelte/Svelte is an open source UI framework that compiles components into efficient JavaScript at build time, with fine-grained reactivity and no virtual DOM.Tue, 10 Nov 2026 09:40:00 GMTWeb Frameworksjavascriptui-frameworkcompilerhttps://opensource.fyi/projects/astro/https://opensource.fyi/projects/astro/Astro is an open source web framework for content-driven sites. It renders to static HTML by default and ships JavaScript only for interactive islands.Tue, 10 Nov 2026 09:30:00 GMTWeb Frameworksstatic-site-generatorjavascriptislandshttps://opensource.fyi/projects/lazygit/https://opensource.fyi/projects/lazygit/lazygit is an open source terminal user interface for Git, written in Go. It makes staging, committing, rebasing and resolving conflicts quick and visual.Tue, 10 Nov 2026 09:20:00 GMTDeveloper Toolsgittuiclihttps://opensource.fyi/projects/ripgrep/https://opensource.fyi/projects/ripgrep/ripgrep is an open source command-line search tool written in Rust. It recursively searches directories for a regex while respecting .gitignore rules.Tue, 10 Nov 2026 09:10:00 GMTDeveloper Toolsclisearchrustgrephttps://opensource.fyi/projects/ruff/https://opensource.fyi/projects/ruff/Ruff is an open source Python linter and formatter written in Rust. It implements hundreds of rules from Flake8, isort and others and runs in milliseconds.Tue, 10 Nov 2026 09:00:00 GMTDeveloper Toolspythonlinterformatterrusthttps://opensource.fyi/projects/uv/https://opensource.fyi/projects/uv/uv is an open source Python package and project manager written in Rust. It replaces pip, pip-tools, virtualenv and pyenv with one fast tool.Tue, 10 Nov 2026 08:50:00 GMTDeveloper Toolspythonpackage-managerrusthttps://opensource.fyi/projects/neovim/https://opensource.fyi/projects/neovim/Neovim is an open source, Vim-based text editor with a built-in language server client, Tree-sitter parsing and Lua as a first-class configuration language.Tue, 10 Nov 2026 08:40:00 GMTDeveloper Toolscode-editorvimterminalluahttps://opensource.fyi/projects/llama-cpp/https://opensource.fyi/projects/llama-cpp/llama.cpp is an open source C/C++ engine for running large language models locally, with quantisation, GPU backends and an OpenAI-compatible server.Tue, 10 Nov 2026 08:30:00 GMTAI & Machine Learningllminferencelocal-aiquantizationhttps://opensource.fyi/projects/open-webui/https://opensource.fyi/projects/open-webui/Open WebUI is a self-hosted web interface for chatting with AI models. It works with Ollama and OpenAI-compatible APIs, supports RAG and runs fully offline.Tue, 10 Nov 2026 08:20:00 GMTAI & Machine Learningllmchat-uiself-hostedlocal-aihttps://opensource.fyi/projects/transformers/https://opensource.fyi/projects/transformers/Hugging Face Transformers is an open source library that provides thousands of pretrained models for text, vision, audio and multimodal tasks behind one API.Tue, 10 Nov 2026 08:10:00 GMTAI & Machine Learningmachine-learningdeep-learningpytorchnlphttps://opensource.fyi/projects/langchain/https://opensource.fyi/projects/langchain/LangChain is an open source Python framework for building LLM applications and agents, with integrations for hundreds of model providers, vector stores and tools.Tue, 10 Nov 2026 08:00:00 GMTAI & Machine Learningllmagentsragframeworkhttps://opensource.fyi/projects/supabase/https://opensource.fyi/projects/supabase/Supabase is an open source backend platform built on PostgreSQL, bundling a database, authentication, instant APIs, file storage, realtime subscriptions and edge functions.Tue, 10 Nov 2026 00:00:00 GMTDatabases & Searchpostgresbackend-as-a-serviceauthrealtimevector-searchhttps://opensource.fyi/projects/plausible-analytics/https://opensource.fyi/projects/plausible-analytics/Plausible is an open source, privacy-focused web analytics tool. It uses a small script, collects no personal data, needs no cookie banner and can be self-hosted.Mon, 09 Nov 2026 00:00:00 GMTAnalytics & Monitoringweb-analyticsprivacygdprcookielesshttps://opensource.fyi/projects/excalidraw/https://opensource.fyi/projects/excalidraw/Excalidraw is an open source whiteboard for hand-drawn-style diagrams, wireframes and sketches, with end-to-end encrypted live collaboration and an embeddable React component.Sun, 08 Nov 2026 00:00:00 GMTDesign & Creativewhiteboarddiagramscollaborationcanvasreacthttps://opensource.fyi/projects/immich/https://opensource.fyi/projects/immich/Immich is an open source, self-hosted photo and video library with mobile backup, face recognition, semantic search, maps and shared albums — a private alternative to Google Photos.Sat, 07 Nov 2026 00:00:00 GMTMedia & Entertainmentphotosself-hostedbackupmachine-learninghttps://opensource.fyi/projects/ollama/https://opensource.fyi/projects/ollama/Ollama is an open source tool for running large language models locally. It handles model downloads, GPU acceleration and serves a local HTTP API on macOS, Linux and Windows.Fri, 06 Nov 2026 00:00:00 GMTAI & Machine Learningllmlocal-aiinferencemodel-runnerhttps://opensource.fyi/projects/zed/https://opensource.fyi/projects/zed/Zed is an open source code editor written in Rust with a GPU-accelerated UI, real-time collaboration, built-in AI assistance and language-server support.Thu, 05 Nov 2026 00:00:00 GMTDeveloper Toolscode-editorrustcollaborationidehttps://opensource.fyi/projects/meilisearch/https://opensource.fyi/projects/meilisearch/Meilisearch is an open source search engine written in Rust. It offers search-as-you-type, typo tolerance, filtering, faceting and hybrid semantic search behind a simple REST API.Wed, 04 Nov 2026 00:00:00 GMTDatabases & Searchsearch-enginefull-text-searchrustvector-searchhttps://opensource.fyi/projects/uptime-kuma/https://opensource.fyi/projects/uptime-kuma/Uptime Kuma is an open source, self-hosted uptime monitor. It checks HTTP, TCP, DNS, ping and more, sends alerts through dozens of services and publishes status pages.Tue, 03 Nov 2026 00:00:00 GMTAnalytics & Monitoringuptime-monitoringstatus-pageself-hostedalerting