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Sealbook / Open source / Self-hosted apps (SaaS alternatives)

Top open-source self-hosted apps (saas alternatives) on GitHub

1,859 repositories with 1,000+ stars, ranked by stars. Leading: excalidraw, immich, Stirling-PDF.

RepositoryStarsLanguageLicenseActivity
151alexta69/metubeSelf-hosted video downloader for YouTube and other sites (web UI for yt-dlp)★ 15kPythonAGPL-3.0Active
152plait-board/drawnix开源白板工具（SaaS），一体化白板，包含思维导图、流程图、自由画等。All in one open-source whiteboard tool with mind, flowchart, freehand and etc.★ 15kTypeScriptMITActive
153liketrek/TREKA self-hosted travel/trip planner with real-time collaboration, interactive maps, PWA support, SSO, budgets, packing lists, and more.★ 14.8kTypeScriptAGPL-3.0Active
154streetwriters/notesnookA fully open source & end-to-end encrypted note taking alternative to Evernote.★ 14.8kTypeScriptGPL-3.0Active
155Tonejs/Tone.jsA Web Audio framework for making interactive music in the browser.★ 14.8kTypeScriptMITActive
156maillab/cloud-mailA Cloudflare-based email service | 基于 Cloudflare 的邮箱服务 | Cloudflare Email 邮箱 Mail★ 14.7kJavaScriptMITActive
157advplyr/audiobookshelfSelf-hosted audiobook and podcast server★ 14.7kJavaScriptGPL-3.0Active
158logto-io/logto🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.★ 14.7kTypeScriptMPL-2.0Active
159altstoreio/AltStoreAltStore is an alternative app store for non-jailbroken iOS devices.★ 14.7kSwiftAGPL-3.0Active
160LemmyNet/lemmy🐀 A decentralised discussion platform for communities.★ 14.6kRustAGPL-3.0Active
161apache/dolphinschedulerApache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code★ 14.5kJavaApache-2.0Active
162keystonejs/keystone-classicNode.js CMS and web app framework★ 14.5kJavaScriptMITArchived
163zedeus/nitterAlternative Twitter front-end★ 14.5kNimAGPL-3.0Archived
164FaridSafi/react-native-gifted-chat💬 The most complete chat UI for React Native★ 14.4kTypeScriptMITActive
165BuilderIO/mitosisWrite components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more. ★ 14.4kTypeScriptMITActive
166Qloapps/QloAppsQloApps is a Free and Open-source hotel management and reservation system to take a hotel business online. QloApps offers a Property Managem★ 14.4kPHPOSL-3.0Active
167gollum/gollumA simple, Git-powered wiki with a local frontend and support for many kinds of markup and content.★ 14.3kRubyMITSlowing
168vercel/commerceNext.js Commerce★ 14.3kTypeScriptMITActive
169thunderbird/thunderbird-androidThunderbird for Android – Open Source Email App for Android (fka K-9 Mail)★ 14.1kKotlinApache-2.0Active
170dbt-labs/dbtdbt enables data analysts and engineers to transform their data using the same practices that software engineers use to build applications.★ 14kRustApache-2.0Active
171automatisch/automatischThe open source Zapier alternative. Build workflow automation without spending time and money.★ 14kJavaScriptOtherSlowing
172rommapp/rommA beautiful, powerful, self-hosted ROM manager and player.★ 13.9kPythonAGPL-3.0Active
173opensearch-project/OpenSearch🔎 Open source distributed and RESTful search engine.★ 13.9kJavaApache-2.0Active
174Unleash/unleashOpen-source feature management platform★ 13.9kTypeScriptAGPL-3.0Active
175tinacms/tinacmsTinaCMS is the leading open-source headless CMS that supports Markdown and Visual Editing. Your content is stored in your own GitHub repo 🦙 ★ 13.8kTypeScriptApache-2.0Active
176QwikDev/partytownRelocate resource intensive third-party scripts off of the main thread and into a web worker. 🎉★ 13.8kTypeScriptMITActive
177seaswalker/spring-analysisSpring源码阅读★ 13.8kJava—Stale
178emdash-cms/emdashEmDash is a full-stack TypeScript CMS based on Astro; the spiritual successor to WordPress★ 13.7kTypeScriptMITActive
179leemunroe/responsive-html-email-templateA free simple responsive HTML email template★ 13.7kHTMLMITStale
180mealie-recipes/mealieMealie is a self hosted recipe manager and meal planner with a RestAPI backend and a reactive frontend application built in Vue for a pleasa★ 13.6kPythonAGPL-3.0Active
181tinode/chatInstant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots★ 13.5kGoGPL-3.0Active
182puckeditor/puckThe visual editor for React.★ 13.5kTypeScriptMITActive
183stackryze/FreeDomainsStackryze Domains: Free Domain for Everyone, Claim yours today.★ 13.2kJavaScriptAGPL-3.0Active
184rybbit-io/rybbit🐸 Rybbit - open-source and privacy-friendly alternative to Google Analytics that is 10x more intuitive.★ 13.1kTypeScriptAGPL-3.0Active
185formbricks/formbricksOpen Source Qualtrics Alternative★ 13.1kTypeScriptOtherActive
186majodev/google-webfonts-helperA Hassle-Free Way to Self-Host Google Fonts. Get eot, ttf, svg, woff and woff2 files + CSS snippets★ 13.1kTypeScriptMITActive
187wallabag/wallabagwallabag is a self hostable application for saving web pages: Save and classify articles. Read them later. Freely.★ 13kPHPMITActive
188vnotex/vnoteA pleasant note-taking platform with native speed, majoring in Markdown, MindMap, Typst, and plain text.★ 13kC++LGPL-3.0Active
189openreplay/openreplaySession replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.★ 13kTypeScriptOtherActive
190OdysseusYuan/LKY_OfficeTools一键自动化 下载、安装、激活 Office 的利器。★ 12.9kC#GPL-3.0Stale
191nhn/tui.calendar🍞📅A JavaScript calendar that has everything you need.★ 12.7kTypeScriptMITArchived
192plankanban/plankaElegant open source project tracking. Self-hosted Kanban for teams — free Community edition, with PLANKA Pro for organisations.★ 12.6kJavaScriptOtherActive
193alibaba/formily📱🚀 🧩 Cross Device & High Performance Normal Form/Dynamic(JSON Schema) Form/Form Builder -- Support React/React Native/Vue 2/Vue 3★ 12.6kTypeScriptMITStale
194netbootxyz/netboot.xyzYour favorite operating systems in one place. A network-based bootable operating system installer based on iPXE.★ 12.5kJinjaApache-2.0Active
195redux-form/redux-formA Higher Order Component using react-redux to keep form state in a Redux store★ 12.5kJavaScriptMITStale
196vesoft-inc/nebula A distributed, fast open-source graph database featuring horizontal scalability and high availability★ 12.4kC++Apache-2.0Active
197getumbrel/umbrelAn elegant home server OS. Run OpenClaw, store your files and, and do more with over 300 apps in the Umbrel App Store.★ 12.4kTypeScriptOtherActive
198reactioncommerce/reactionProject has been discontinued ////// Mailchimp Open Commerce is an API-first, headless commerce platform built using Node.js, React, GraphQL★ 12.4kJavaScriptGPL-3.0Slowing
199TwiN/gatusAutomated developer-oriented status page with alerting and incident support★ 12.3kGoApache-2.0Active
200illacloud/illa-builderLow-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, ★ 12.3kTypeScriptApache-2.0Slowing