Open Source POS
Open Source Point of Sale is a web based point of sale system.
OpenSlides
A web based presentation and assembly system for managing and projecting agenda, motions and elections of an assembly.
OpenBudgeteer
A budgeting app based on the Bucket Budgeting Principle.
Open Streaming Platform
Live and on-demand video streaming (alternative to Twitch and Youtube Live).
OpenFaaS
Serverless Functions Made Simple for Docker & Kubernetes.
OpenSlides
A web based presentation and assembly system for managing and projecting agenda, motions and elections of an assembly.
osem
Event management tailored to free Software conferences.
OTS-Share
A self-hosting app to share secrets with file support up to 1MB.
Otter Wiki
Simple, easy to use wiki software using markdown.
Overseerr
Overseerr is a free and open source software application for managing requests for your media library. It integrates with your existing services, such as Sonarr, Radarr, and Plex!.
Owncast
Decentralized single-user live video streaming and chat server for running your own live streams similar in style to the large mainstream options.
PassCheck
A web application featuring some handy password tools, including a password generator, strength checker and HaveIBeenPwned breach checker.
paper{s}pace
Small web application to manage all your offline documents. Provides a searchable storage for your documents and reminds you of upcoming tasks.
Pastr
Super-minimal URL shortener and paste tool that uses a flat-file storage and has no dependencies.
Payload CMS
Developer-first headless CMS and application framework.
Pastefy
Beautiful, simple and easy to deploy Pastebin with optional Client-Encryption, Multitab-Pastes, an API, a highlighted Editor and more.
Plik
Plik is a scalable and friendly temporary file upload system.
PiGallery 2
A directory-first photo gallery website, with a rich UI, optimised for running on low resource servers.
Posio
Geography multiplayer game.
PocketBase
Open Source backend for your next SaaS and Mobile app in 1 file.
Polaris
Music browsing and streaming application optimized for large music collections, ease of use and high performance.
plugNmeet
Scalable, High Performance, Open source web conferencing system.
PostHog
Product analytics, session recording, feature flagging and a/b testing that you can self-host (alternative to Mixpanel/Amplitude/Heap/HotJar/Optimizely).
Postal
A complete and fully featured mail server for use by websites & web servers.
Publify
Simple but full featured web publishing software.
Pterodactyl
Management panel for game servers, with an intuitive UI for end users.
Prosody IM
Feature-rich and easy to configure XMPP server.
REDAXO
Simple, flexible and useful content management system (documentation only available in German).
RconCli
CLI for executing queries on a remote Valve Source dedicated server using the RCON Protocol.
Rapidbay
Self-hosted torrent videostreaming service/torrent client that allows searching and playing videos from torrents in the browser or from a Chromecast/AppleTV/Smart TV.
Readflow
Lightweight news reader with modern interface and features: full-text search, automatic categorization, archiving, offline support, notifications…
Reactive Resume
A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever.
RELATE
RELATE is a web-based courseware package, includes features such as: flexible rules, statistics, multi-course support, class calendar.
ReleaseBell
Send release notifications for starred Github repos.
Raneto
Raneto is an open source Knowledgebase platform that uses static Markdown files to power your Knowledgebase.
remark42
A lightweight and simple comment engine, which doesn’t spy on users. It can be embedded into blogs, articles or any other place where readers add comments.
REI3
Open source, expandable Business Management Software. Manage tasks, time, assets and much more.
Roadiz
Modern CMS based on a node system which can handle many types of services.
Rocket.Chat
Teamchat solution similar to Gitter.im or Slack.
Review Board
Extensible and friendly code review tool for projects and companies of all sizes.
revealjs
Framework for easily creating beautiful presentations using HTML.
Roundup Issue Tracker
A simple-to-use and -install issue-tracking system with command-line, web, REST, XML-RPC, and e-mail interfaces. Designed with flexibility in mind - not just another bug tracker.
rustypaste
A minimal file upload/pastebin service.
RSS Monster
An easy to use web-based RSS aggregator and reader compatible with the Fever API (alternative to Google Reader).
Routr
A lightweight sip proxy, location server, and registrar for a reliable and scalable SIP infrastructure.
RSSHub
An easy to use, and extensible RSS feed aggregator, it’s capable of generating RSS feeds from pretty much everything ranging from social media to university departments.
SabreDAV
Open source CardDAV, CalDAV, and WebDAV framework and server.
s-cart
S-Cart is a free e-commerce website project for individuals and businesses, built on top of Laravel Framework.
Shhh
Keep secrets out of emails or chat logs, share them using secure links with passphrase and expiration dates.
Shopware Community Edition
PHP based open source e-commerce software made in Germany.
Shlink
URL shortener with REST API and command line interface. Includes official progressive web application and docker images.
Shiori
Simple bookmark manager built with Go.
Shifter
A simple, self-hosted file-sharing web app, powered by Django.
sigal
Yet another simple static gallery generator.
Simple-URL-Shortener
KISS URL shortener, public or private (with account). Minimalist and lightweight. No dependencies.
SimpleLogin
Open source email alias solution to protect your email address. Comes with browser extensions and mobile apps.
Simply Shorten
A simple URL shortener that just shortens links.
sish
HTTP(S)/WS(S)/TCP tunnels to localhost using only SSH (serveo/ngrok alternative).
Soketi
Simple, fast, and resilient open-source WebSockets server (drop-in alternative to Pusher).
Slimta
Mail Transfer Library built on Python.
SnyPy
Open source on-prem code snippet manager.
Sorry Cypress
Alternative open-source dashboard for the Cypress browser automation framework, featuring unlimited parallelization, recording and debugging of tests.
SolidInvoice
Open source invoicing and quote application.
Speed Test by OpenSpeedTest™
Free & Open-Source HTML5 Network Performance Estimation Tool.
Starbase 80
A simple homepage with an iPad-style application grid, for mobile and desktop. One JSON configuration file.
Squidex
Headless CMS, based on MongoDB, CQRS and Event Sourcing.
SQLPage
SQL-only dynamic website builder.
SRS
A simple, high efficiency and real-time video server, supports RTMP, WebRTC, HLS, HTTP-FLV and SRT.
Streama
Self hosted streaming media server.
Strapi
The most advanced open-source Content Management Framework (headless-CMS) to build powerful API with no effort.
StartOS
Browser-based, graphical Operating System (OS) that makes running a personal server as easy as running a personal computer.
Stump
A fast, free and open source comics, manga and digital book server with OPDS support.
Stretto
Music player with Youtube/Soundcloud import and iTunes/Spotify discovery.
Stringer
Work-in-progress self-hosted, anti-social RSS reader.
Surfer
Simple static file server with webui to manage files.
Sup3rS3cretMes5age
Very simple (to deploy and to use) secret message service using Hashicorp Vault as a secrets storage.
Svix
Open-source webhooks as a service that makes it super easy for API providers to send webhooks.
Sylius
Symfony2 powered open source full-stack platform for eCommerce.
SwingMusic
Swing Music is a beautiful, self-hosted music player and streaming server for your local audio files. Like a cooler Spotify … but bring your own music.
SyncTube
Lightweight and very simple to setup CyTube alternative to watch videos with friends and chat.
Specifically Clementines
Grocery shopping app (previously Groceries), providing reliable sync with multiple users/devices (web/Android/iOS), recipes and integration with Tandoor.
Taskwarrior
Taskwarrior is Free and Open Source Software that manages your TODO list from your command line. It is flexible, fast, efficient, and unobtrusive. It does its job then gets out of your way.
Temboz
Two-column feed reader emphasizing filtering capabilities to manage information overload.
TextBelt
Outgoing SMS API that uses carrier-specific gateways to deliver your text messages for free, and without ads.
Tasks.md
A self-hosted, file based task management board that supports Markdown syntax.
The Lounge
Self-hosted web IRC client.
This week in past
Aggregates images taken this week, from previous years and presents them on a web page with a simple slideshow.
TeslaMate
A powerful data logger for Tesla vehicles.
TimeOff.Management
Simple yet powerful absence management software for small and medium size business.
Thumbor
A smart imaging service and enables on-demand cropping, resizing, applying filters and optimizing images.
Tiledesk
All-in-one customer engagement platform from lead-gen to post-sales, from WhatsApp to your website. With omni-channel live agents and AI-powered chatbots (alternative to Intercom, Zendesk, Tawk.to and Tidio).
TeamMapper
Host and create your own mindmaps. Share your mindmap sessions with your team and collaborate live on mindmaps.
transfer.sh
Easy file sharing from the command line.
Tube
Youtube-like () Video Sharing App written in Go which also supports automatic transcoding to MP4 H.265 AAC, multiple collections and RSS feed.
Trusted-CGI
Lightweight self-hosted lambda/applications/cgi/serverless-functions platform.
turndown
HTML to Markdown converter written in Javascript.
txtdot
A HTTP proxy that parses only text, links and pictures from pages reducing internet bandwidth usage, removing ads and heavy scripts.
Umbraco
The friendly CMS. Free and open source with an amazing community.
Uguu
Stores files and deletes after X amount of time.
Typemill
Author-friendly flat-file-cms with a visual markdown editor based on vue.js.