Endurain Fitness tracking service designed to give users full control over their data and hosting environment. Self-hostedOpen sourceHealth and Fitness AGPL-3.0Docker
E Exim Message transfer agent (MTA) developed at the University of Cambridge. Self-hostedOpen sourceCommunication - Email - Mail Transfer Agents GPL-3.0C
F Feather Wiki A lightning fast and infinitely extensible tool for creating personal non-linear notebooks, databases, and wikis that is entirely self-contained, runs in your browser, and is only 58 kilobytes in size. Self-hostedOpen sourceWikis AGPL-3.0Javascript
FHEM Automate common tasks in the household like switching lamps and heating. It can also be used to log events like temperature or power consumption. You can control it via web or smartphone frontends, telnet or TCP/IP directly. Self-hostedOpen sourceInternet of Things (IoT) GPL-3.0Perl
FileRun Complete solution for your files with integration with Google and Office. Self-hostedFreeFile Transfer & Synchronization ProprietaryPHP
Flink Create QR Codes, embeddable link previews for your website and crawls/scrapes metadata. Self-hostedOpen sourceURL Shorteners MITDocker
Forgejo A lightweight software forge focused on scaling, federation, and privacy (fork of Gitea). Self-hostedOpen sourceSoftware Development - Project ManagementTicketing MITGo
F form.io A REST API building platform that utilizes a drag & drop form builder, and is application framework agnostic. Contains open source and enterprise version. Self-hostedOpen sourceSoftware Development - API Management MITNodejs
Fossil Distributed version control system featuring wiki and bug tracker. Self-hostedOpen sourceSoftware Development - Project Management BSD-2-Clause-FreeBSDC
Framadate Online service for planning an appointment or make a decision quickly and easily: Make a poll, Define dates or subjects to choose, Send the poll link to your friends or colleagues, Discuss and make a decision. Self-hostedOpen sourcePolls and Events CECILL-BPHP
FreedomBox Community project to develop, design and promote personal servers running free software for private, personal, communications. Self-hostedOpen sourceSelf-hosting Solutions AGPL-3.0Python
Freepbx Web-based open source GUI that controls and manages Asterisk. Self-hostedOpen sourceCommunication - SIP GPL-2.0PHP
F Full Help Simple, easy to use help desk & knowledge base software. Custom branding, custom themes, restful API, communication channels, multi-company support, multi-language support, and much more! At least 1 new release per month. Self-hostedFreeTicketing ProprietaryPHP
Funkwhale Modern, web-based, convivial, multi-user and free music server. Self-hostedOpen sourceMedia Streaming - Audio Streaming BSD-3-ClausePython
G g3proxy Forward proxy server supporting proxy chaining, protocol inspection, MITM Interception, ICAP adaptation and transparent proxy. Self-hostedOpen sourceProxy Apache-2.0Rust
G Gancio Local community event and agenda sharing. Self-hostedOpen sourcePolls and Events AGPL-3.0Nodejs
G GarageHQ Geo-distributed, S3‑compatible storage service that can fulfill many needs. Self-hostedOpen sourceFile Transfer - Object Storage & File Servers AGPL-3.0Rust
Geeftlist Collaborative platform for managing, sharing and reserving gifts between friends and family. Self-hostedOpen sourceMiscellaneous GPL-3.0Docker
G Git Annex File synchronization between computers, servers, external drives. Self-hostedOpen sourceFile Transfer & Synchronization GPL-3.0Haskell
G GNUnet Software framework for decentralized, peer-to-peer networking. Self-hostedOpen sourceCommunication - Custom Communication Systems GPL-3.0C
G GoSƐ Modern file-uploader focusing on scalability and simplicity. It only depends on a S3 storage backend and hence scales horizontally without the need for additional databases or caches. Self-hostedOpen sourceFile Transfer - Single-click & Drag-n-drop Upload Apache-2.0Go
GoToSocial ActivityPub federated social network server implementing the Mastodon client API. Self-hostedOpen sourceCommunication - Social Networks and Forums AGPL-3.0Go
G Groupboard Online whiteboard, audio/video conferencing, screen sharing, shared code editing and optional session recording/playback. Self-hostedFreeCommunication - Custom Communication Systems ProprietaryUnknown
HAProxy Very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications. Self-hostedOpen sourceWeb Servers GPL-2.0C
Hubzilla Decentralized identity, privacy, publishing, sharing, cloud storage, and communications/social platform. Self-hostedOpen sourceCommunication - Social Networks and Forums MITPHP
I Icecast 2 Streaming audio/video server which can be used to create an Internet radio station or a privately running jukebox and many things in between. Self-hostedOpen sourceMedia Streaming - Multimedia Streaming GPL-2.0C
I Iceshrimp.NET Federated microblogging server that communicates over ActivityPub. Self-hostedOpen sourceCommunication - Social Networks and Forums EUPL-1.2.NET
I Inboxen Lets you have an infinite number of unique inboxes. Self-hostedOpen sourceCommunication - Email - Complete Solutions GPL-3.0Python
I Inventaire Collaborative resources mapper project, while yet only focused on exploring books mapping with wikidata and ISBNs. Self-hostedOpen sourceInventory Management AGPL-3.0Nodejs
J Jami Universal communication platform which preserves the user's privacy and freedoms. Self-hostedOpen sourceCommunication - Custom Communication Systems GPL-3.0C++