Open Source Tools you can self-host

Revive Adserver

( reviews)

World’s most popular free, open source ad serving system. Formerly known as OpenX Adserver and phpAdsNew.

Revive Adserver review

Review Board

Extensible and friendly code review tool for projects and companies of all sizes.

Review Board review

Robust IRC

RobustIRC is IRC without netsplits. Distributed IRC server, based on RobustSession protocol.

Robust IRC review

Rocket.Chat

Teamchat solution similar to Gitter.im or Slack.

Rocket.Chat review

rgit

An ultra-fast & lightweight cgit clone.

Roundcube

Browser-based IMAP client with an application-like user interface.

Roundcube review

Retrospring

A free, open-source social network following the Q/A (question and answer) principle of sites like Formspring, ask.fm or CuriousCat.

Retrospring review

Revolt

Revolt is a user-first chat platform built with modern web technologies.

Roadiz

Modern CMS based on a node system which can handle many types of services.

RetroShare

Secured and decentralized communication system. Offers decentralized chat, forums, messaging, file transfer.

RetroShare review

REI3

Open source, expandable Business Management Software. Manage tasks, time, assets and much more.

Remotely

A remote desktop control and remote scripting solution, enterprise level remote support solution with admin web interface and remote control via browser.

Remotely review

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.

remark42 review

ResourceSpace

ResourceSpace open source digital asset management software is the simple, fast, and free way to organise your digital assets.

ResourceSpace review

Redmine

Redmine is a flexible project management web application.

Raneto

Raneto is an open source Knowledgebase platform that uses static Markdown files to power your Knowledgebase.

Request Tracker

An enterprise-grade issue tracking system.

Request Tracker review

Restreamer

Restreamer allows you to do h.264 real-time video streaming on your website without a streaming provider.

Restreamer review

ReleaseBell

Send release notifications for starred Github repos.

ReleaseBell review

RERO ILS

Large-scale ILS that can be run as a service with consortial features, intended primarily for library networks. Includes most standard modules (circulation, acquisitions, cataloging,…) and a web-based public and professional interface.

RERO ILS review

RELATE

RELATE is a web-based courseware package, includes features such as: flexible rules, statistics, multi-course support, class calendar.

Reactive Resume

A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever.

Reactive Resume review

reader

A Python feed reader web app and library (so you can use it to build your own), with only standard library and pure-Python dependencies.

Readflow

Lightweight news reader with modern interface and features: full-text search, automatic categorization, archiving, offline support, notifications…

Readflow review

Redash

Connect and query your data sources, build dashboards to visualize data and share them with your company.

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.

Rapidbay review

RconCli

CLI for executing queries on a remote Valve Source dedicated server using the RCON Protocol.

Receipt Wrangler

Easy-to-use receipt manager, powered by AI. Allows users to create receipts effortlessly and quickly, categorize and more.

Receipt Wrangler review

ReadyMedia

Simple media server software, with the aim of being fully compliant with DLNA/UPnP-AV clients. Formerly known as MiniDLNA.

ReadyMedia review

Rapido

Create your website with Rapido. Edit, publish and share collaborative content.

REDAXO

Simple, flexible and useful content management system (documentation only available in German).

RecipeSage

A recipe keeper, meal plan organizer, and shopping list manager that can import recipes directly from any URL.

RecipeSage review

Red Eclipse 2

A FOSS Arena First-Person Shooter Similar to Unreal Tournament.

Red Eclipse 2 review

Rallly

Create polls to vote on dates and times (alternative to Doodle).

Radicale

Simple calendar and contact server with extremely low administrative overhead.

Radicale review

PushBits

Self-hosted notification server for relaying push notifications via Matrix, similar to PushBullet and Gotify.

PushBits review

Prosody IM

Feature-rich and easy to configure XMPP server.

Prosody IM review

pyLoad

Lightweight, customizable and remotely manageable downloader for 1-click-hosting sites like rapidshare.com or uploaded.to.

QuickShare

Quick and simple file sharing between different devices.

QuickShare review

qpixel

Q&A-based community knowledge-sharing software.

QloApps

An open-source, customizable and intuitive web-based hotel reservation system and a booking engine.

Quizmaster

A web-app for conducting a quiz, including a page for players to enter their answers.

Quizmaster review

Radarr

Radarr is an independent fork of Sonarr reworked for automatically downloading movies via Usenet and BitTorrent, à la Couchpotato.

Quassel IRC

Distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core.

Quassel IRC review

Psono

A promising password managers fully featured for teams.

qBittorrent

Free cross-platform bittorrent client with a feature rich Web UI for remote access.

qBittorrent review

Pydio

Turn any web server into a powerful file management system and an alternative to mainstream cloud storage providers.

Psychic

Universal API to connect large language models to dynamic data sources.

Privoxy

Non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk.

PsiTransfer

Simple open source self-hosted file sharing solution with robust up-/download-resume and password protection.

PsiTransfer review

ProjeQtOr

A complete, mature, multi-user project management system with extensive functionality for all phases of a project.

ProjeQtOr review

PufferPanel

PufferPanel is an open source game server management panel, designed for both small networks and game server providers.

PufferPanel review

Pterodactyl

Management panel for game servers, with an intuitive UI for end users.

Pterodactyl review

Publify

Simple but full featured web publishing software.

Podify

Allows you to download videos and audio from any source supported by youtube-dl and subscribe to and watch these downloads using your favorite podcast app.

Plone

Powerful open-source CMS system.

Pretix

Django based ticket sales platform for events.

Postorius

Web user interface to access GNU Mailman.

Postorius review

pretalx

Web-based event management, including running a Call for Papers, reviewing submissions, and scheduling talks. Exports and imports for various related tools.

ProjectSend

Upload files and assign them to specific clients you create. Give access to those files to your clients.

ProjectSend review

Postal

A complete and fully featured mail server for use by websites & web servers.

PostHog

Product analytics, session recording, feature flagging and a/b testing that you can self-host (alternative to Mixpanel/Amplitude/Heap/HotJar/Optimizely).

PrivateBin

PrivateBin is a minimalist, open source online pastebin/discussion board where the server has zero knowledge of hosted data.

PrivateBin review

PrestaShop

PrestaShop offers a free, open-source and fully scalable e-commerce solution.

PrestaShop review

PmWiki

Wiki-based system for collaborative creation and maintenance of websites.

plugNmeet

Scalable, High Performance, Open source web conferencing system.

plugNmeet review

POMjs

Random Password Generator.

Postfix

Fast, easy to administer, and secure Sendmail replacement.

PoeticMetric

Free as in freedom, open source, privacy-first and regulation-compliant web analytics tool.

PoeticMetric review

Polaris

Music browsing and streaming application optimized for large music collections, ease of use and high performance.

PluXml

XML-based blog/CMS platform.

PocketBase

Open Source backend for your next SaaS and Mobile app in 1 file.

PocketBase review

Pomerium

An identity-aware reverse proxy, successor to now obsolete oauth_proxy. It inserts an OAuth step before proxying your request to the backend, so that you can safely expose your self-hosted websites to public Internet.

Pomerium review

Posio

Geography multiplayer game.

Plainpad

A modern note taking application for the cloud, utilizing the best features of progressive web apps technology.

Plainpad review

Pleroma

Federated microblogging server, Mastodon, GNU social, & ActivityPub compatible.

Planka

Realtime kanban board for workgroups (alternative to Trello).

Plausible Analytics

Simple, open-source, lightweight (< 1 KB) and privacy-friendly web analytics.

Plausible Analytics review

Picsur

A simple imaging hosting playtfom that allows you to easily host, edit, and share images.

PiGallery 2

A directory-first photo gallery website, with a rich UI, optimised for running on low resource servers.

PiGallery 2 review

PixelFed

Pixelfed is an open-source, federated platform alternate to Instagram.

PixelFed review

Pingvin Share

A self-hosted file sharing platform that combines lightness and beauty, perfect for seamless and efficient file sharing.

Pingvin Share review

Piwigo

Photo gallery software for the web, built by an active community of users and developers.

Pimcore

Multi-Channel Experience and Engagement Management Platform.

Plik

Plik is a scalable and friendly temporary file upload system.

Plane

Helps you track your issues, epics, and product roadmaps in the simplest way possible (alternative to JIRA, Linear and Height).

piqueserver

Server for openspades, the first-person shooter in a destructible voxel world.

piqueserver review

PicoShare

A minimalist, easy-to-host service for sharing images and other files.

PicoShare review

Photoview

A simple and user-friendly Photo Gallery for personal servers. It is made for photographers and aims to provide an easy and fast way to navigate directories, with thousands of high resolution photos.

Photoview review

phpList

Newsletter and email marketing with advanced management of subscribers, bounces, and plugins.

phpBB

Flat-forum bulletin board software solution that can be used to stay in touch with a group of people or can power your entire website.

Phproject

High performance full-featured project management system.

Phproject review

PictShare

PictShare is a multi lingual, open source image hosting service with a simple resizing and upload API.

PictShare review

Pi-hole

A blackhole for Internet advertisements with a GUI for management and monitoring.

Piler

Feature-rich email archiving solution.

PhotoPrism

Personal photo management powered by Go and Google TensorFlow. Browse, organize, and share your personal photo collection, using the latest technologies to automatically tag and find pictures.

PhotoPrism review

PHPOffice

PHPOffice contains libraries which permits to write and read files from most office suites.

PHPOffice review

Password Pusher

A dead-simple application to securely communicate passwords (or text) over the web. Passwords automatically expire after a certain number of views and/or time has passed.

Password Pusher review

Pepperminty Wiki

Complete markdown-powered wiki contained in a single PHP file.

Pepperminty Wiki review

penpot

A web based design and prototyping platform meant for cross-domain teams.