Sites like mapforge.org

Grml.org: the project site for Grml, a Debian-based bootable live Linux system with system administration tools, plus its documentation and FAQ

Linuxiac, an English news site covering Linux and open source software, plus guides to distributions like Fedora and Gentoo

A news site and database covering Linux, SteamOS and Steam Deck gaming, with reviews, guides and a game database

OMG! Ubuntu is a news blog covering Ubuntu and Linux apps, desktop software and open-source tips, written independently

A German-language podcast and blog on software engineering careers, productivity and tech culture, with local meetups, by the Engineering Kiosk team

LinuxFr.org is a French-language community news site and forum about Linux and free software, run by volunteer moderators

It's FOSS is an English-language blog on Linux tips, tutorials, applications and news, written by Abhishek Prakash

Tauri 2.0, an open-source framework for building small, cross-platform desktop and mobile applications with web frontends and Rust backends

Joplin, an open source note-taking app with multimedia notes, web clipping and end-to-end encrypted sync, developed by Laurent

OpenShot, a free open-source video editing software for Linux, Mac and Windows, with a project homepage and multilingual pages

Syncthing, an open-source continuous file synchronisation tool, with project donation and foundation information pages

The official website for Nix and NixOS, covering the reproducible, declarative package manager and Linux distribution, with manuals and learning resources

Techlore, a privacy and digital surveillance blog and newsletter on owning your online life, by an independent creator

F-Droid is an app store and distribution platform for free and open source Android apps

A free, open-source webcomic by David Revoy, funded directly by its patrons, about a young witch and her cat

David Revoy's blog on digital painting, comics and reviews of open-source art software, including Krita and GNU/Linux tools

Osmocom, an umbrella project developing open source software and tools for mobile communications networks, run on a Redmine project site

Typst, a markup-based typesetting system and online document creation tool for writing, automating and formatting reports and papers

A Portuguese-language podcast about Ubuntu and free software, produced by the Ubuntu Portugal community, with numbered episodes

OPNsense, an open source firewall and routing platform project with release news, blog posts, donation information and a public roadmap

The LaTeX Project's website on LaTeX, the document preparation and typesetting system for technical and scientific publishing, with downloads, bug reporting, help and licence text

Pi-hole, a network-wide ad-blocking DNS server software project with installation guides and donation pages

Neovim, a Vim-based open-source text editor project with extensible Lua plugins, documentation and developer resources

The official website of Thunderbird, a free open-source desktop and mobile email, calendar and contacts app

Robur, a non-profit software cooperative building secure open-source infrastructure in OCaml and MirageOS unikernels

Morevna Project blog on open-source animation and artwork by Anastasia Mayzhegisheva, with Pepper&Carrot motion comic source files

Libre-SOC project's open-source hardware system-on-chip design, documentation and codebase for a Power ISA processor with video acceleration

Brett Cannon's personal blog "Tall, Snarky Canadian" on Python packaging, supply chains and open-source governance

A community hub for sustaining open source software, run by Richard Littauer, with a podcast, events and working groups

Waydroid, a free open-source project that runs a full Android system in a container on Wayland-based GNU/Linux desktops

Joey Hess's personal blog on Debian, software development, off-grid living and related technical projects

YaCy free peer-to-peer search engine software for local, intranet and decentralized web indexing, with its documentation and FAQ

Software Freedom Day, an annual worldwide celebration of free software run by the Digital Freedom Foundation, with multilingual event listings

The Battle for Wesnoth is an open source, turn-based fantasy strategy video game, with its project's developer documentation and release notes

GCompris is a free educational software suite for children, with activities for learning on computers

Branchable is a hosting service for Ikiwiki-powered websites, wikis and blogs built on Git

Terence Eden's personal blog on standards, Linux, technology, Doctor Who and life, by Terence Eden

Bugzilla project's website on the open-source bug-tracking software for planning and releasing software, with documentation, history and donation pages

Dyne.org, a digital community and free software foundry blog covering open-source tools, art, ecology and decentralized networks, by Dyne.org

A project website for PyPy, an alternative implementation of the Python programming language with a just-in-time compiler

OSNews, a long-running news and discussion site covering operating systems, computing, software development and technology news

A security-focused, compartmentalizing desktop operating system based on Xen, with project news, hardware compatibility list and documentation

e Foundation, a nonprofit building open source, privacy-focused deGoogled smartphone operating systems and online cloud services