* [Chyrp](http://chyrp.net/) - An extra-awesome, extra-lightweight blog engine ([Source code](https://github.com/chyrp/chyrp))
* [Dotclear](http://dotclear.org/) - Take control over your blog!
* [Wordpress](https://wordpress.org/) - Create a beautiful website or blog.
* [Blogotext](http://lehollandaisvolant.net/blogotext/en/) - a free blog-engine written in PHP and using SQLite. This offers you both an unmatched simplicity during installation and great performances. ([Source code](https://github.com/timovn/blogotext)
* [Ghost](http://ghost.org/) - Just a blogging platform
* [blosxom](http://blosxom.sourceforge.net/) - a lightweight yet feature-packed weblog application designed from the ground up with simplicity, usability, and interoperability in mind.
* [Anchor CMS](http://anchorcms.com/) - Anchor is a free, lightweight, faster-than-a-bullet, simple blogging system, made for art–directed posts. ([Source code](https://github.com/anchorcms/anchor-cms))
* [Bumpy Booby](http://bumpy-booby.derivoile.fr/) - A simple, responsive and highly customizable PHP bug tracking system. ([Source code](https://github.com/piero-la-lune/Bumpy-Booby))
* [Phproject](http://www.phproject.org/) - A high performance full-featured project management system ([Source code](https://github.com/Alanaktion/phproject), [Demo](http://demo.phproject.org/))
CMS are a practical way to setup a website with many features. CMS often come with third party plugins, themes and functionality that is easy to add and customize to your needs.
* [Pagekit](http://pagekit.com/) - A new modern CMS to create and share ([Source code](https://github.com/pagekit/pagekit)) - `MIT`
* [Wordpress](https://wordpress.org/) - WordPress is web software you can use to create a beautiful website or blog. ([Source code mirror](https://github.com/WordPress/WordPress))
* [99ko CMS](http://99ko.hellojo.fr) - 99ko est un CMS permettant de créer un site web en quelques minutes et sans connaissances particulières en programmation. Il fonctionne sans base de données et utilise de simples fichiers texte (format JSON) pour stocker vos données. ([Source code](https://github.com/99ko-project/99ko-cms))
* [Baun](http://bauncms.com/) - A modern, lightweight, extensible CMS for PHP - ([Source code](https://github.com/BaunCMS/Baun))
* [october](http://octobercms.com/) - Free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. ([Source code](https://github.com/octobercms/october))
* [SPIP](http://www.spip.net/fr) - SPIP est un Système de Publication pour l’Internet.
* [Drupal](https://drupal.org/) - open source content management platform
* [Joomal!](http://www.joomla.fr/) - un système de gestion de contenu (CMS)
* [CMS Made Simple](http://www.cmsmadesimple.org/) - open source content management system, faster and easier management of website contents, scalable for small businesses to large corporations.
* [GetSimple CMS](http://get-simple.info/) - The Simplest Content Management System. Ever.
* [Alltube](https://github.com/Rudloff/alltube) - A web interface for [youtube-dl](https://github.com/rg3/youtube-dl), a program to download videos and audio from [more than 100 websites](https://rg3.github.io/youtube-dl/supportedsites.html) ([Demo](http://alltubedownload.net/))
* [Coquelicot](https://coquelicot.potager.org/) - Coquelicot is a “one-click” file sharing web application with a focus on protecting users’ privacy. - `GNU-AGPL 3.0`
* [Mediacrush](https://mediacru.sh/) - a website you can upload images, audio, and video to, and receive a link to share it with your friends ([Source code](https://github.com/MediaCrush/MediaCrush))
* [lutim](https://github.com/ldidry/lutim) - Let's Upload That Image !
* [img.bi](https://github.com/imgbi/img.bi) - img.bi is a secure image hosting. Images are encrypted using AES-256 with random key in browser before upload.
* [GateOne](https://github.com/liftoff/GateOne/) - Gate One is an HTML5 web-based terminal emulator and SSH client. - - `AGPL 3.0`
* [Guacamole](http://guac-dev.org/) - Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC and RDP. - `Proprietary`
* [http://git.kolab.org/](https://kolab.org/) - Kolab - Kolab community is a unified communication and collaboration system - Various Free Software / Open Source Software Licenses
* [Horde](http://www.horde.org/) - The Horde Project is about creating high quality Open Source applications and libraries, based on PHP and the Horde Framework. - `GPL` + Various Free Software / Open Source Software Licenses
* [unmark](https://github.com/plainmade/unmark) - An open source to do app for links
* [Pinry](http://getpinry.com/) - The tiling image board system for people who want to save, tag, and share images, videos, and webpages. ([Demo](http://demo.getpinry.com/), [Source code](https://github.com/pinry/pinry))
* [semanticscuttle](http://semanticscuttle.sourceforge.net/) - a social bookmarking tool experimenting with features like structured tags and collaborative tag descriptions.
* [Lobsters](https://lobste.rs) - Run your own link aggregation site - ([Source code](https://github.com/jcs/lobsters))
* [Only Office](http://onlyoffice.org/) - An office suite that enables you to manage documents, projects, team and customer relations in one place. - GNU - `AGPL 3.0`
* [EtherCalc](https://ethercalc.org/) - Web spreadsheet. - CPAL 1.0
* [Etherpad](http://etherpad.org/) - Etherpad is a highly customizable Open Source online editor providing collaborative editing in really real-time. - `Apache License`
* [Lychee](http://lychee.electerious.com/) - an open source grid and album based photo-management-system ([Source code](https://github.com/electerious/Lychee)) - `MIT`
* [Mediagoblin](http://mediagoblin.org) - a free software media publishing platform that anyone can run. You can think of it as a decentralized alternative to Flickr, YouTube, SoundCloud, etc
* [CumulusClips](http://cumulusclips.org/) - your own video sharing website with CumulusClips video sharing script. You can build a YouTube clone where users can upload videos, rate videos, comment on videos, and much more. ([Demo](https://tube.devosi.org/))
* [MinigalNano](https://github.com/sebsauvage/MinigalNano) - MinigalNano is a very simple image gallery. It adheres to the KISS principle and is very easy to install. MinigalNano does not have a web admin interface: You just upload your images in the photo folder on your server (using FTP, SFTP...) ([Demo](http://boards.tomcanac.com/))
* [UberGallery](http://www.ubergallery.net) - U berGallery is an easy to use, simple to manage, web photo gallery. UberGallery does not require a database and supports JPEG, GIF and PNG file types. Simply upload your images and UberGallery will automatically generate thumbnails and output HTML. ([Source code](https://github.com/UberGallery/UberGallery))
* [Single File PHP Gallery](http://sye.dk/sfpg/) - is a web gallery in one single PHP file.
* [Photofloat](http://blog.zx2c4.com/567) - A Web 2.0 Photo Gallery Done Right via Static JSON & Dynamic Javascript ([Demo](http://photos.jasondonenfeld.com/))
* [Zenphoto](http://www.zenphoto.org/) - open-source gallery and CMS project ([Source code](https://github.com/zenphoto/zenphoto))
* [BuddyPress](http://buddypress.org/about/) - A powerful plugin that takes your WordPress.org powered site beyond the blog with social-network features like user profiles, activity streams, user groups, and more.
* [Gitprep](http://gitprep.org/) - Portable Github clone ([Source on Github](https://github.com/yuki-kimoto/gitprep), [Demo](http://perlcodesample.sakura.ne.jp/gitprep.cgi))
* [Repo.js](http://darcyclarke.me/dev/repojs/) - A plugin to embed Github repos on your site [Github project](https://github.com/darcyclarke/Repo.js)
* [GitLab: Self Hosted Git Management Application](http://gitlab.org/) - GitLab is open source software to collaborate on code. Manage git repositories with fine grained access controls that keep your code secure. Perform code reviews and enhance collaboration with merge requests. Each project can also have an issue tracker and a wiki ([Public instance](https://git.framasoft.org/)
* [Gogs](https://github.com/gogits/gogs) - a painless self-hosted Git Service written in Go. ([Demo](http://try.gogits.org))
* [gitbucket](http://takezoe.github.io/gitbucket/) - The easily installable GitHub clone powered by Scala - ([Source code](https://github.com/takezoe/gitbucket))
