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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
951cozystack/cozystackCozystack: Free Cloud Platform based on Kubernetes★ 2.4kGoApache-2.0Active
9521backend/1backendBuild AI (or any) apps with scalable microservices & microfrontends.★ 2.4kGoAGPL-3.0Slowing
953s0md3v/StrikerStriker is an offensive information and vulnerability scanner.★ 2.4kPythonGPL-3.0Stale
954lcomplete/huntlyYour Personal AI-Powered Information Hub★ 2.3kTypeScriptApache-2.0Slowing
955ArtalkJS/Artalk🌌 Your Self-hosted Comment System. | 自托管评论系统★ 2.3kGoMITActive
956stephengpope/no-code-architects-toolkitThe NCA Toolkit API eliminates monthly subscription fees by consolidating common API functionalities into a single FREE API. Designed for bu★ 2.3kPythonGPL-2.0Slowing
957oinone/oinone-pamirsOinone is an AI‑Powered low‑code framework that unifies AI and developers around a shared metadata model to build maintainable, evolvable, h★ 2.3kJavaAGPL-3.0Active
958davedelong/timeRobust and type-safe date and time calculations for Swift★ 2.3kSwiftMITActive
959jeremyckahn/chitchatterSecure peer-to-peer chat that is serverless, decentralized, and ephemeral★ 2.3kTypeScriptGPL-2.0Active
960walkor/phpsocket.ioA server side alternative implementation of socket.io in PHP based on workerman.★ 2.3kPHPMITActive
961Bottelet/DaybydayCRMDaybydayCRM an open-source CRM, to help you keep track of your daily workflow.★ 2.3kJavaScript—Active
962FreddyChen/NettyChat基于Netty+TCP+Protobuf实现的Android IM库，包含Protobuf序列化、TCP拆包与粘包、长连接握手认证、心跳机制、断线重连机制、消息重发机制、读写超时机制、离线消息、线程池等功能。★ 2.3kJavaApache-2.0Stale
963formio/formioA Form and Data Management Platform for Progressive Web Applications.★ 2.3kJavaScriptOSL-3.0Active
964usertour/usertourUsertour is an open-source user onboarding platform. It allows you to create in-app product tours, checklists, and surveys in minutes—effort★ 2.3kTypeScriptOtherActive
965adrianhajdin/ecommerce_sanity_stripeModern Full Stack ECommerce Application with Stripe★ 2.3kJavaScript—Stale
966logdyhq/logdy-coreRealtime log viewer with web UI, tail -f for logs with a web interface browser.★ 2.3kGoApache-2.0Stale
967running-elephant/datartDatart is a next generation Data Visualization Open Platform★ 2.3kTypeScriptApache-2.0Stale
968vipshop/SaturnThe vip.com's distributed job scheduling platform.★ 2.3kJavaApache-2.0Slowing
969endurain-project/endurain Endurain is a self-hosted fitness tracking service designed to give users full control over their data and hosting environment★ 2.3kPythonAGPL-3.0Active
970bpatrik/pigallery2A fast directory-first photo gallery website, with rich UI, optimized for running on low resource servers (especially on raspberry pi)★ 2.3kTypeScriptMITActive
971vkurko/calendarFull-sized drag & drop JavaScript event calendar with resource & timeline views★ 2.3kJavaScriptMITActive
972theryangeary/chooseA human-friendly and fast alternative to cut (and sometimes awk)★ 2.3kRustGPL-3.0Slowing
973xmppjs/xmpp.jsXMPP for JavaScript★ 2.3kJavaScriptISCActive
974teamgram/teamgram-serverUnofficial open source mtproto server written in golang with compatible telegram client. ★ 2.3kGoApache-2.0Active
975kgretzky/pwndropSelf-deployable file hosting service for red teamers, allowing to easily upload and share payloads over HTTP and WebDAV.★ 2.3kJavaScriptGPL-3.0Stale
976jgm/gititA wiki using HAppS, pandoc, and git★ 2.3kHaskellGPL-2.0Active
977Privoce/vocechat-webVoceChat Web App★ 2.3kTypeScriptGPL-3.0Active
978lettre/lettrea mailer library for Rust★ 2.3kRustMITActive
979dream-num/univer-workspaceAn open-source Office workspace where people and AI agents create, collaborate, and review together.★ 2.3kTypeScriptApache-2.0Active
980oqtane/oqtane.frameworkOqtane is an open-source developer productivity platform for building modern .NET applications and websites that run on Web, Desktop and Mob★ 2.3kC#MITActive
981linode/apl-coreApp Platform for Linode Kubernetes Engine★ 2.3kGo TemplateApache-2.0Active
982SpinaCMS/SpinaSpina CMS★ 2.3kJavaScriptOtherActive
983CappielloAntonio/tempoAn open source and lightweight music client for Subsonic, designed and built natively for Android.★ 2.3kJavaGPL-3.0Stale
984LiveHelperChat/livehelperchatLive Helper Chat - live support for your website. Featuring web and mobile apps, Voice & Video & ScreenShare. Supports Telegram, Twilio (wha★ 2.2kPHPApache-2.0Active
985Notifuse/notifuseOpen-source, self-hosted newsletter, email marketing and transactional email platform. Visual MJML editor, Liquid templating, 7 sending prov★ 2.2kGoOtherActive
986wabarc/waybackAn archiving tool with an IM-style interface that prioritizes privacy and accessibility, integrated with various archival services including★ 2.2kGoGPL-3.0Active
987Ascotbe/Medusa:cat2:Medusa是一个红队武器库平台，目前包括XSS平台、协同平台、CVE监控、免杀生成、DNSLOG、钓鱼邮件、文件获取等功能，持续开发中 ★ 2.2kPythonGPL-3.0Stale
988wearebraid/vue-formulate⚡️ The easiest way to build forms with Vue.★ 2.2kJavaScriptMITStale
989FossifyOrg/CalendarA simple calendar with events, customizable widgets and no ads.★ 2.2kKotlinGPL-3.0Active
990invoice-x/invoice2dataExtract structured data from PDF invoices★ 2.2kPythonMITActive
991SignTools/SignTools✒ A free, self-hosted platform to sideload iOS apps without a computer★ 2.2kGoAGPL-3.0Active
992Hasnayeen/invobookSelf-hosted app for Time Tracking, Invoice Generation, Project & Client Management, built with Laravel & Filament.★ 2.2kPHPMITSlowing
993metrue/fxA Function as a Service tool makes a function as a container-based service in seconds.★ 2.2kGoMITStale
994uowuo/abaddonAn alternative Discord client with voice support made with C++ and GTK 3★ 2.2kC++GPL-3.0Active
995quokkaproject/quokkaLOOKING FOR NEW MAINTAINER - Quokka is a Content Management System - `docker run --rm -it -p 5000:5000 quokka/quokka`★ 2.2kPythonOtherArchived
996avgspacelover/Reddit-wiki-programmingResources to Learn Data Structures and Algorithms, ace competitive programming, Get a Job in Tech/CS★ 2.2k——Stale
997zerodytrash/TikTok-Live-ConnectorTikTok LIVE API for Node.js: An unofficial library to receive live stream events (comments, gifts, etc.) in realtime from TikTok LIVE.★ 2.2kTypeScriptAGPL-3.0Active
998lscambo13/ElegantFinA Jellyfin theme inspired from Jellyseerr. This theme improves the overall look and experience with various little fixes to the UI/UX.★ 2.2kCSSGPL-2.0Active
999daimon3332/addressA self-hosted address and synthetic test-profile generator for 27 countries and regions, built from real open-data streets, administrative a★ 2.2kJavaScriptMITActive
1000zim-desktop-wiki/zim-desktop-wikiMain repository of the zim desktop wiki project★ 2.2kPythonGPL-2.0Active