- [ESP8266 Arduino sample project](https://github.com/trilader/arduino-esp8266-meson), sample project for using the ESP8266 Arduino port with Meson
- [FeedReader](https://github.com/jangernert/FeedReader), a modern desktop application designed to complement existing web-based RSS accounts
- [Flecs](https://github.com/SanderMertens/flecs), a Fast and Lightweight ECS (Entity Component System) C library
- [Foliate](https://github.com/johnfactotum/foliate), a simple and modern GTK eBook reader, built with GJS and Epub.js
- [Fractal](https://wiki.gnome.org/Apps/Fractal/), a Matrix messaging client for GNOME
- [Frida](https://github.com/frida/frida-core), a dynamic binary instrumentation toolkit
- [fwupd](https://github.com/hughsie/fwupd), a simple daemon to allow session software to update firmware
- [GameMode](https://github.com/FeralInteractive/gamemode), a daemon/lib combo for Linux that allows games to request a set of optimisations be temporarily applied to the host OS
- [Geary](https://wiki.gnome.org/Apps/Geary), an email application built around conversations, for the GNOME 3 desktop.
- [GLib](https://gitlab.gnome.org/GNOME/glib), cross-platform C library used by GTK+ and GStreamer
- [Glorytun](https://github.com/angt/glorytun), a multipath UDP tunnel
- [GNOME Boxes](https://gitlab.gnome.org/GNOME/gnome-boxes), a GNOME hypervisor
- [GNOME Builder](https://gitlab.gnome.org/GNOME/gnome-builder), an IDE for the GNOME platform
- [GNOME MPV](https://github.com/gnome-mpv/gnome-mpv), GNOME frontend to the mpv video player
- [GNOME Recipes](https://gitlab.gnome.org/GNOME/recipes), application for cooking recipes
- [GNOME Software](https://gitlab.gnome.org/GNOME/gnome-software), an app store for GNOME
- [GNOME Twitch](https://github.com/vinszent/gnome-twitch), an app for viewing Twitch streams on GNOME desktop
- [GNOME Usage](https://gitlab.gnome.org/GNOME/gnome-usage), a GNOME application for visualizing system resources
- [GNU FriBidi](https://github.com/fribidi/fribidi), the open source implementation of the Unicode Bidirectional Algorithm
- [Graphene](https://ebassi.github.io/graphene/), a thin type library for graphics
- [Grilo](https://git.gnome.org/browse/grilo) and [Grilo plugins](https://git.gnome.org/browse/grilo-plugins), the Grilo multimedia framework
- [libeconf](https://github.com/openSUSE/libeconf), Enhanced config file parsing library, which merges config files placed in several locations into one
- [libui](https://github.com/andlabs/libui), a simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports
- [Libva](https://github.com/intel/libva), an implementation for the VA (VIdeo Acceleration) API
- [Libzim](https://github.com/openzim/libzim), the reference implementation for the ZIM file format
- [Marker](https://github.com/fabiocolacio/Marker), a GTK-3 markdown editor
- [Mesa](https://gitlab.freedesktop.org/mesa/mesa/), an open source graphics driver project
- [MiracleCast](https://github.com/albfan/miraclecast), connect external monitors to your system via Wifi-Display specification aka Miracast
- [mrsh](https://github.com/emersion/mrsh), a minimal POSIX shell
- [Nautilus](https://gitlab.gnome.org/GNOME/nautilus), the GNOME file manager
- [Nemo](https://github.com/linuxmint/nemo), the file manager for the Cinnamon desktop environment
- [OcherBook](https://github.com/ccoffing/OcherBook), an open source book reader for Kobo devices
- [oomd](https://github.com/facebookincubator/oomd), a userspace Out-Of-Memory (OOM) killer for Linux systems
- [OpenH264](https://github.com/cisco/openh264), open source H.264 codec
- [OpenHMD](https://github.com/OpenHMD/OpenHMD), a free and open source API and drivers for immersive technology, such as head mounted displays with built in head tracking
- [OpenTitan](https://github.com/lowRISC/opentitan), an open source silicon Root of Trust (RoT) project.
- [Orc](https://gitlab.freedesktop.org/gstreamer/orc), the Optimized Inner Loop Runtime Compiler
- [OTS](https://github.com/khaledhosny/ots), the OpenType Sanitizer, parses and serializes OpenType files (OTF, TTF) and WOFF and WOFF2 font files, validating and sanitizing them as it goes. Used by Chromium and Firefox
- [RxDock](https://gitlab.com/rxdock/rxdock), a protein-ligand docking software designed for high throughput virtual screening (fork of rDock)
- [scrcpy](https://github.com/Genymobile/scrcpy), a cross platform application that provides display and control of Android devices connected on USB or over TCP/IP
- [Sequeler](https://github.com/Alecaddd/sequeler), a friendly SQL client for Linux, built with Vala and Gtk
- [SSHFS](https://github.com/libfuse/sshfs), allows you to mount a remote filesystem using SFTP
- [sway](https://github.com/swaywm/sway), i3-compatible Wayland compositor
- [Sysprof](https://git.gnome.org/browse/sysprof), a profiling tool
- [systemd](https://github.com/systemd/systemd), the init system
- [szl](https://github.com/dimkr/szl), a lightweight, embeddable scripting language
- [Taisei Project](https://taisei-project.org/), an open-source Touhou Project clone and fangame
- [Terminology](https://github.com/billiob/terminology), a terminal emulator based on the Enlightenment Foundation Libraries
- [Tilix](https://github.com/gnunn1/tilix), a tiling terminal emulator for Linux using GTK+ 3
- [Tizonia](https://github.com/tizonia/tizonia-openmax-il), a command-line cloud music player for Linux with support for Spotify, Google Play Music, YouTube, SoundCloud, TuneIn, Plex servers and Chromecast devices
- [Vala Language Server](https://github.com/benwaffle/vala-language-server), code intelligence engine for the Vala and Genie programming languages
- [Valum](https://github.com/valum-framework/valum), a micro web framework written in Vala
- [Venom](https://github.com/naxuroqa/Venom), a modern Tox client for the GNU/Linux desktop
- [VMAF](https://github.com/Netflix/vmaf) (by Netflix), a perceptual video quality assessment based on multi-method fusion
- [Wayland](https://github.com/wayland-project/wayland) and [Weston](https://github.com/wayland-project/weston), a next generation display server
- [wlroots](https://github.com/swaywm/wlroots), a modular Wayland compositor library
- [wxFormBuilder](https://github.com/wxFormBuilder/wxFormBuilder), RAD tool for wxWidgets GUI design
- [xi-gtk](https://github.com/eyelash/xi-gtk), a GTK+ front-end for the Xi editor
- [Xorg](https://gitlab.freedesktop.org/xorg/xserver), the X.org display server (not the default yet)
- [X Test Suite](https://gitlab.freedesktop.org/xorg/test/xts), The X.org test suite
- [zathura](https://github.com/pwmt/zathura), a highly customizable and functional document viewer based on the
girara user interface library and several document libraries
- [Zrythm](https://git.zrythm.org/cgit/zrythm), a cross-platform digital audio workstation using GTK+ 3
- [ZStandard](https://github.com/facebook/zstd/commit/4dca56ed832c6a88108a2484a8f8ff63d8d76d91), a compression algorithm developed at Facebook (not used by default)
Note that a more up-to-date list of GNOME projects that use Meson can