Open Source Tools you can self-host

Mail-in-a-Box

( reviews)

Turns any Ubuntu server into a fully functional mail server with one command.

Mail-in-a-Box review

Lura

Open source High-Performance API Gateway.

Loggit

End-to-end encrypted and simple life tracking & logging.

Lstu

Lightweight URL shortener.

Maddy Mail Server

All-in-one mail server that implements SMTP (both MTA and MX) and IMAP. Replaces Postfix, Dovecot, OpenDKIM, OpenSPF, OpenDMARC with single daemon.

Maddy Mail Server review

lufi

Let’s Upload that FIle, client-side encrypted.

Lowdefy

Build internal tools, BI dashboards, admin panels, CRUD apps and workflows in minutes using YAML / JSON on an self-hosted, open-source platform. Connect to your data sources, host via Serverless, Netlify or Docker.

Lychee

Open source grid and album based photo-management-system.

LocalStack

LocalStack is a fully functional local AWS cloud stack. This includes Lambda for serverless computation.

LocalStack review

Lynx

URL shortener with many functions such as multiple accounts, ShareX support and an attractive but simple interface.

Loomio

Loomio is a collaborative decision-making tool that makes it easy for anyone to participate in decisions which affect them.

Lodestone

A free, open source server hosting tool for Minecraft and other multiplayers.

Lodestone review

Local Food Nodes

Your open source platform for peoples driven local food markets and CSA.

Local Food Nodes review

LittleLink

A simplistic approach for links in bio with 100+ branded buttons (alternative to Linktree).

LittleLink review

LMS

Access your self-hosted music using a web interface.

LinkWarden

A self-hosted bookmark + archive manager to store your useful links.

LinkWarden review

LiveStreamDVR

An automatic Twitch recorder capable of capturing live streams, chat messages and stream metadata.

LiveStreamDVR review

Listmonk

High performance, self-hosted newsletter and mailing list manager with a modern dashboard.

Listmonk review

LinuxGSM

CLI tool for deployment and management of dedicated game servers on Linux: more than 120 games are supported.

LinuxGSM review

Lidarr

Lidarr is a music collection manager for Usenet and BitTorrent users.

liteshort

User-friendly, actually lightweight, and configurable URL shortener.

liteshort review

Livebook

Realtime collaborative notebook app based on Markdown that supports running Elixir code snippets, TeX and Mermaid Diagrams. Easily deployed using Docker or Elixir.

Livebook review

Live Helper Chat

Live Support chat for your website.

Live Helper Chat review

LinkStack

Link all your social media platforms easily accessible on one page, customizable through an intuitive, easy to use user/admin interface (alternative to Linktree and Manylink).

LinkStack review

LinkAce

A bookmark archive with automatic backups to the Internet Archive, link monitoring, and a full REST API. Installation is done via Docker, or as a simple PHP application.

Limbas

Limbas is a database framework for creating database-driven business applications. As a graphical database frontend, it enables the efficient processing of data stocks and the flexible development of comfortable database applications.

LimeSurvey

Feature-rich Open Source web based polling software. Supports extensive survey logic.

LimeSurvey review

LBRY

Is a secure, open, and community-run digital marketplace that aims to replace Youtube and Amazon.

Lila

The forever free, adless and open source chess server powering lichess.org, with official iOS and Android client apps.

linkding

Minimal bookmark management with a fast and clean UI. Simple installation through Docker and can run on your Raspberry Pi.

linkding review

LibrePhotos

Self hosted wannabe Google Photos clone, with a slight focus on cool graphs.

LibrePhotos review

LibreTime

Simple, open source platform that lets you broadcast streaming radio on the web (fork of ).

LibreTime review

LibreServer

Home server configuration based on Debian.

LibreServer review

LibreX

Framework and javascript free privacy respecting meta search engine.

Libreddit

Private front-end for Reddit written in Rust.

Libreddit review

Librum

A modern e-book reader and library manager that supports most major book formats, runs on all devices and offers great tools to boost productivity.

LeapChat

Ephemeral, encrypted, in-browser chat rooms.

LeapChat review

Krayin

Free and Opensource Laravel CRM Application.

Leantime

Leantime is a lean project management system for small teams and startups helping to manage projects from ideation through delivery.

Leantime review

Leed

Leed (for Light Feed) is a Free and minimalist RSS aggregator.

Leon

Open-source personal assistant who can live on your server.

Lemmy

A link aggregator / reddit clone for the fediverse (alternative to Reddit).

Libervia

Web frontend from Salut à Toi.

Libervia review

Libre Translate

Free and Open Source Machine Translation API, entirely self-hosted.

Libre Translate review

Kriss Feed

Simple and smart (or stupid) feed reader.

Kriss Feed review

LedgerSMB

Integrated accounting and ERP system for small and midsize businesses, with double entry accounting, budgeting, invoicing, quotations, projects, orders and inventory management, shipping and more.

LedgerSMB review

Laravel Simple Password Manager

Simple Password manager.

Laravel Simple Password Manager review

Lancache

LAN Party game caching made easy.

Lancache review

LazyLibrarian

LazyLibrarian is a program to follow authors and grab metadata for all your digital reading needs. It uses a combination of Goodreads Librarything and optionally GoogleBooks as sources for author info and book info.

LazyLibrarian review

LanguageTool

Proofread more than 20 languages. It finds many errors that a simple spell checker cannot detect.

LanguageTool review

Kyoo

Innovative media browser designed for seamless streaming of anime, series and movies, offering advanced features like dynamic transcoding, auto watch history and intelligent metadata retrieval.

Kubero

A self-hosted Heroku PaaS alternative for Kubernetes that implements GitOps.

Lago

Open-source metering and usage-based billing.

Kresus

Open source personal finance manager.

Lama-Cleaner

A free and open-source inpainting tool powered by SOTA AI model.

Lama-Cleaner review

Lazylead

Eliminate the annoying work within ticketing systems (Jira, GitHub, Trello). Allows to automate daily actions like tickets fields verification, email notifications by JQL/GQL, meeting requests to your (or teammates) calendar.

Lazylead review

Kinto

Kinto is a minimalist JSON storage service with synchronisation and sharing abilities.

Komga

Media server for comics/mangas/BDs with API and OPDS support, a modern web interface for exploring your libraries, as well as a web reader.

kiwix-serve

HTTP daemon for serving wikis from ZIM files.

kiwix-serve review

Koillection

Koillection is a service allowing users to manage any kind of collections.

Koillection review

Kubek

Web management panel for Minecraft servers.

Kong

The World’s Most Popular Open Source Microservice API Gateway and Platform.

koel

Personal music streaming server that works.

Known

A collaborative social publishing platform.

Koha

Enterprise-class ILS with modules for acquisitions, circulation, cataloging, label printing, offline circulation for when Internet access is not available, and much more.

Kodi

Multimedia/Entertainment center, formerly known as XBMC. Runs on Android, BSD, Linux, macOS, iOS and Windows.

Klaus

Simple, easy-to-set-up Git web viewer that Just Works.

Koblas

Lightweight SOCKS5 proxy server.

Kimai

Kimai is a free & open source timetracker. It tracks work time and prints out a summary of your activities on demand.

KitchenOwl

A cross-platform shopping list, recipe storage, expense tracker, and meal planner following the material design language.

KitchenOwl review

Kibitzr

Lightweight personal web assistant with powerful integrations.

Kestra

Event-driven, language-agnostic platform to create, schedule, and monitor workflows. In code. Coordinate data pipelines and tasks such as ETL and ELT.

Kiwi IRC

Responsive web IRC client with theming support.

Kiwi IRC review

KeystoneJS

CMS and Web Application Platform.

KeystoneJS review

Kill Bill

Open-Source Subscription Billing & Payments Platform. Have access to real-time analytics and financial reports.

Kill Bill review

JupyterLab

Web-based environment for interactive and reproducible computing.

JupyterLab review

Jump

Yet another self-hosted startpage for your server designed to be simple, stylish, fast and secure.

KChat

PHP Based Live Chat Application.

Kavita

Cross-platform e-book/manga/comic/pdf server and web reader with user management, ratings and reviews, and metadata support.

Kanboard

Simple and open source visual task board.

Kanboard review

Kerberos.io

Kerberos.io is a video surveillance solution, which works with any camera and on every Linux based machine (Raspberry Pi, Docker, Kubernetes cluster).

Kerberos.io review

Karaoke Eternal

Host awesome karaoke parties where everyone can easily find and queue songs from their phone’s browser. The player is also fully browser-based with support for MP3+G, MP4 and WebGL visualizations.

Karaoke Eternal review

Kasm Workspaces

Streaming containerized apps and desktops to end-users. Examples include Ubuntu in your browser, or simply single apps such as Chrome, OpenOffice, Gimp, Filezilla etc.

Kasm Workspaces review

kbin

Federated content aggregator and microblogging platform.

Kanbana

Create boards to track users and projects from flat markdown files (fork of Crepido).

Keila

Self-hosted reliable and easy-to-use newsletter tool (alternative to Mailchimp or Sendinblue).

Jitsi Meet

Jitsi Meet is an OpenSource (MIT) WebRTC Javascript application that uses Jitsi Videobridge to provide high quality, scalable video conferences.

Jitsi Meet review

Judge0 CE

Open source API to compile and run source code.

Judge0 CE review

Kallithea

Source code management system that supports two leading version control systems, Mercurial and Git, with a web interface.

Kallithea review

Jellyfin

Media server for audio, video, books, comics, and photos with a sleek interface and robust transcoding capabilities. Almost all modern platforms have clients, including Roku, Android TV, iOS, and Kodi.

Jellyfin review

Kamailio

Modular SIP server (registrar/proxy/router/etc).

Kamailio review

Jitsi Video Bridge

WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication.

Jitsi Video Bridge review

juntagrico

Management platform for community gardens and vegetable cooperatives.

juntagrico review

Joplin

Joplin is a note taking application with Markdown editor and encryption support for mobile and desktop platforms. Runs client-side and syncs through self hosted Nextcloud or similar (alternative to Evernote).

JSXC

Real-time XMPP web chat application with video calls, file transfer and encrypted communication. There are also versions for Nextcloud/Owncloud and SOGo.

Joomla!

Advanced Content Management System (CMS).

Just Short It!

A KISS, single-user URL shortener that runs in just one container.

Just Short It! review

Jellyseerr

Manage requests for your media library, supports Plex, Jellyfin and Emby media servers (fork of Overseerr).

Jellyseerr review

Jina

Cloud-native neural search framework for any kind of data.

iodine

IPv4 over DNS tunnel solution, enabling you to start up a socks5 proxy listener.