Open Source Tools you can self-host

chasquid

( reviews)

SMTP (email) server with a focus on simplicity, security, and ease of operation.

chasquid review

Chamilo LMS

Chamilo LMS allows you to create a virtual campus for the provision of online or semi-online training.

Chamilo LMS review

changedetection.io

Self-hosted tool for staying up-to-date with web-site content changes.

changedetection.io review

Chartbrew

Web application that can connect directly to databases and APIs and use the data to create beautiful charts.

Chartbrew review

Chatwoot

Self-hosted customer communication platform (alternative to Intercom & Zendesk).

Chatwoot review

Cgit

A fast lightweight web interface for git repositories.

Christmas Community

Create a simple place for your entire family to use to find gifts that people want, and to avoid double-gifting.

Christmas Community review

Castopod

A podcast management hosting platform that includes the latest podcast 2.0 standards, an automated Fediverse feed, analytics, an embeddable player, and more.

Castopod review

Chitchatter

A peer-to-peer chat app that is serverless, decentralized, and ephemeral.

Chitchatter review

Citadel

Groupware including email, calendar/scheduling, address books, forums, mailing lists, IM, wiki and blog engines, RSS aggregation and more.

Claper

The ultimate tool to interact with your audience (alternative to Slido, AhaSlides and Mentimeter).

Chirpy

Chirpy is an open-source, privacy-friendly and customizable Disqus (comment system) alternate.

ChiefOnboarding

Employee onboarding platform that allows you to provision user accounts and create sequences with todo items, resources, text/email/Slack messages, and more! Available as a web portal and Slack bot.

ChiefOnboarding review

ClearFlask

Community-feedback tool for managing incoming feedback and prioritizing a public roadmap (alternative to Canny, UserVoice, Upvoty).

ClearFlask review

Chibisafe

File uploader service that aims to to be easy to use and set up. It accepts files, photos, documents, anything you imagine and gives you back a shareable link for you to send to others.

Chibisafe review

Cockpit

Simple Content Platform to manage any structured content.

CMS Made Simple

Open source content management system, faster and easier management of website contents, scalable for small businesses to large corporations.

CMS Made Simple review

Cloudlog

Cloudlog is a self-hosted PHP application that allows you to log your amateur radio contacts anywhere.

Cloudlog review

CloudBeaver

Self-hosted management of databases, supports PostgreSQL, MySQL, SQLite and more. A web/hosted version of DBeaver.

CloudBeaver review

CKAN

CKAN is a tool for making open data websites.

Coder

Remote development machines on your own infrastructure.

code-server

VS Code in the browser, hosted on a remote server.

code-server review

Concrete 5 CMS

Open source content management system.

Concrete 5 CMS review

CNCjs

A web-based interface for CNC milling controller running Grbl, Smoothieware, or TinyG.

Collabora Online Development Edition

Collabora Online Development Edition (CODE) is a powerful LibreOffice-based online office that supports all major document, spreadsheet and presentation file formats, which you can integrate in your own infrastructure.

Collabora Online Development Edition review

Conference Organizing Distribution (COD)

Create conference and event websites built on top of Drupal.

Conference Organizing Distribution (COD) review

Convos

Always online web IRC client.

CommaFeed

Google Reader inspired self-hosted RSS reader.

CommaFeed review

Chyrp Lite

Extra-awesome, extra-lightweight blog engine.

Chyrp Lite review

Conduit

A simple, fast, and reliable chat server powered by Matrix.

Collective Access - Providence

Highly configurable Web-based framework for management, description, and discovery of digital and physical collections supporting a variety of metadata standards, data types, and media formats.

Collective Access - Providence review

Converse.js

Free and open-source XMPP chat client in your browser.

Converse.js review

Coppermine

Multilingual photo gallery that integrates with various bulletin boards. Includes upload approval and password protected albums.

Coppermine review

Contao

Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications.

copyparty

Portable file server with accelerated resumable uploads, deduplication, WebDAV, FTP, zeroconf, media indexer, video thumbnails, audio transcoding, and write-only folders, in a single file with no mandatory dependencies.

copyparty review

CouchCMS

Simple Open-Source CMS for designers.

CouchCMS review

Countly Community Edition

Real time mobile and web analytics, crash reporting and push notifications platform.

Countly Community Edition review

Coral

A better commenting experience from Vox Media.

Coolify

An open-source & self-hostable Heroku / Netlify alternative (and even more).

CoreShop

CoreShop is a e-commerce plugin for Pimcore.

CoreShop review

Cyrus IMAP

Email (IMAP/POP3), contacts and calendar server.

Cyrus IMAP review

CyberChef

Perform all manner of operations within a web browser such as AES, DES and Blowfish encryption and decryption, creating hexdumps, calculating hashes, and much more.

CyberChef review

Courier MTA

Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services.

Courier MTA review

DailyTxT

Encrypted diary Web application to save your personal memories of each day. Includes a search function and encrypted file upload.

DailyTxT review

cState

Static status page for hyperfast Hugo. Clean design, minimal JS, super light HTML/CSS, high customization, optional admin panel, read-only API, IE8+. Best used with Netlify, Docker.

CUPS

The Common Unix Print System uses Internet Printing Protocol (IPP) to support printing to local and network printers.

Damselfly

Fast server-based photo management system for large collections of images. Includes face detection, face & object recognition, powerful search, and EXIF Keyword tagging. Runs on Linux, MacOS and Windows.

Damselfly review

CryptPad

CryptPad is a collaboration suite that is end-to-end-encrypted and open-source. It is built to enable collaboration, synchronizing changes to documents in real time.

CryptPad review

CyTube

CyTube is a web application providing media synchronization, chat, and more for an arbitrary number of channels.

Cozy Cloud

Personal cloud where you can manage and sync your contact, files and calendars, and manage your budget with an app store full of community contributions.

Cozy Cloud review

Corteza

CRM including a unified workspace, enterprise messaging and a low code environment for rapidly and securely delivering records-based management solutions.

Dada Mail

Web-based list management system that can be used for announcement lists and/or discussion lists.

Dada Mail review

Cypht

Feed reader for your email accounts.

Crafty Controller

Crafty Controller is a free and open-source Minecraft launcher and manager that allows users to start and administer Minecraft servers from a user-friendly interface.

Crafty Controller review

Dendrite

Second-generation Matrix homeserver written in Go. It intends to provide an efficient, reliable and scalable alternative to Synapse.

Dendrite review

Databag

Federated, end-to-end encrypted messaging service for the web, iOS, and Android, supporting text, photos, video, and WebRTC video and audio calls.

DePay

Accept Web3 Payments directly into your wallet. Peer-to-peer, free, self-hosted & open-source.

Deluge

Lightweight, cross-platform BitTorrent client.

Datasette

An open source multi-tool for exploring and publishing data, easy import and export and database management.

Datasette review

Databunker

Network-based, self-hosted, GDPR compliant, secure database for personal data or PII.

Databunker review

DebOps

Your Debian-based data center in a box. A set of general-purpose Ansible roles that can be used to manage Debian or Ubuntu hosts.

DAViCal

Server for calendar sharing (CalDAV) that uses a PostgreSQL database as a data store.

Dashpress

Generate fully functional admin apps in seconds from your database information, with a single command.

Dashpress review

Dat Project

Powerful decentralized file sharing applications built from a large ecosystem of modules.

Dat Project review

Dashy

Feature-rich homepage for your homelab, with easy YAML configuration.

Davis

A simple, dockerizable and fully translatable admin interface for sabre/dav based on Symfony 5 and Bootstrap 4, largely inspired by Baïkal.

Dalton Plan

Dalton Plan is a modern adoption of a free teaching method developed by Helen Parkhurst in the 20th century.

Dalton Plan review

Darkwire.io

End-to-end encrypted instant web chat.

Darkwire.io review

Digibuzzer

Create a virtual game room around a connected buzzer (documentation in French).

Digibuzzer review

diaspora*

Distributed social networking server.

diaspora* review

DeviceHive

Open Source IoT Platform with a wide range of integration options.

DeviceHive review

DietPi

Minimal Debian OS optimized for single-board computers, which allows you to easily install and manage several services for selfhosting at home.

Digipad

An online self-hosted application for creating collaborative digital notepads (Documentation in french).

Digiview

View YouTube videos in a distraction-free interface (documentation in French).

Digiview review

Digitools

A set of simple tools to accompany the animation of courses in person or remotely. (documentation in French).

Digitools review

Digimindmap

Create simple mindmaps (documentation in French).

Digimindmap review

Digiboard

Create collaborative whiteboards (documentation in French).

Digiboard review

Digibunch

Create bunches of links to share with your learners or colleagues.

Digibunch review

Digicard

Create simple graphic compositions (documentation in French).

Digicard review

Digiface

Create avatars using the Avataaars library (documentation in French).

Digiface review

Digistorm

Create collaborative surveys, quizzes, brainstorms, and word clouds (documentation in French).

Digistorm review

django-wiki

Wiki system with complex functionality for simple integration and a superb interface. Store your knowledge with style: Use django models.

django-wiki review

Digiscreen

Interactive whiteboard/wallpaper for the classroom, in person or remotely (documentation in French).

Digiscreen review

Digiwords

A simple online application for creating word clouds (documentation in French).

Digiwords review

dillinger

The last Markdown editor, ever.

dillinger review

DirectoryLister

Simple PHP based directory lister that lists a directory and all its sub-directories and allows you to navigate there within.

DirectoryLister review

Digiwall

Create multimedia collaborative walls for in-person or remote work (documentation in French).

Digiwall review

Directus

An Instant App & API for your SQL Database. Directus wraps your new or existing SQL database with a realtime GraphQL+REST API for developers, and an intuitive admin app for non-technical users.

Directus review

DOCAT

Host your docs. Simple. Versioned. Fancy.

Dim

Dim is a self-hosted media manager fueled by dark forces. With minimal setup, Dim will organize and beautify your media collections, letting you access and play them anytime from anywhere.

Discourse

Advanced forum / community solution based on Ruby and JS.

Discourse review

Docuseal

Create, fill, and sign digital documents (alternative to DocuSign).

Docuseal review

DomainMOD

Application to manage your domains and other internet assets in a central location. DomainMOD includes a Data Warehouse framework that allows you to import your WHM/cPanel web server data so that you can view, export, and report on your data.

DomainMOD review

Dolibarr

Dolibarr ERP CRM is a modern software package to manage your company or foundation activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, …).

Dolibarr review

DockSTARTer

DockSTARTer helps you get started with home server apps running in Docker.

DockSTARTer review

Dnote

A simple command line notebook with multi-device sync and web interface.

DOMJudge

A system for running a programming contest, like the ICPC regional and world championship programming contests.

DOMJudge review

Dokku

An open-source PaaS (alternative to Heroku).

Documize

Modern Docs + Wiki software with built-in workflow, single binary executable, just bring MySQL/Percona.

Documize review

Docspell

Auto-tagging document organizer and archive.

Docspell review