GTK+

GlimmerAndyObtiva/glimmer

A Ruby DSL framework for building GUI applications and domain-specific languages with built-in data-binding.

Glimmerandyobtiva/glimmer

A DSL framework for building Ruby GUI applications and domain-specific languages with built-in data-binding.

ripassocortex/ripasso

A Rust library and UI suite for accessing and decrypting passwords stored in the pass format.

NAppGUIfrang75/nappgui_src

SDK for building cross-platform desktop applications in ANSI-C for Windows, macOS, and Linux.

sauron-nativeivanceras/sauron-native

A Rust UI library that provides truly native, cross-platform GUI applications with multiple backend support.

Spice-upPhilip-Scott/Spice-up

A modern Linux desktop application for creating simple and beautiful presentations with templates, shapes, and PDF export.

aetherbjarneo/aether

A visual theming application for Linux that extracts colors from wallpapers and applies cohesive themes across your desktop.

Birdfontjohanmattssonm/birdfont

A free font editor for creating vector-based fonts in TTF, EOT, SVG, and Birdfont formats.

altcoverSteveGilham/altcover

A cross-platform .NET code coverage tool that instruments assemblies via IL weaving for Mono, .NET Framework, and .NET Core.

libvlc-goadrg/libvlc-go

Go bindings for libVLC enabling multimedia playback, streaming, and recording in Go applications.

ESP32-MPY-Jamajczic/ESP32-MPY-Jama

A cross-platform desktop UI tool for managing ESP32 microcontrollers running MicroPython, featuring an IDE, file manager, REPL, and real-time dashboards.

VeriFastverifast/verifast

A research prototype tool for modular formal verification of C, Rust, and Java programs using separation logic.

Movie Monadlettier/movie-monad

A free, cross-platform video player built with Haskell, supporting local files and web streaming.

Ruby-GNOMEruby-gnome/ruby-gnome

Ruby bindings for GNOME libraries, enabling GUI application development with GTK in Ruby.

Feedpushrncarlier/feedpushr

A self-hosted feed aggregator daemon with a pluggable filter and output system for processing and distributing RSS/Atom articles.

OpenCloudSavesDavidDeSimone/OpenCloudSaves

An open-source tool for syncing game saves across Windows, macOS, and Linux devices, including cross-storefront support.

Clipboardjanlelis/clipboard

A Ruby gem providing cross-platform clipboard access (copy/paste/clear) for Linux, macOS, Windows, Java, and more.

Monitorstsdc/monitor

A system monitor and process manager for elementary OS with a modern GTK interface.

PhotoFlowaferrero2707/PhotoFlow

A fully non-destructive, layer-based photo retouching program with RAW image development capabilities.

GtkDgtkd-developers/GtkD

A D programming language binding and object-oriented wrapper for GTK+ 3.22, enabling native GUI application development.

Festivalhinto-janai/festival

A music player for local album collections built with Rust and GTK.

Elementary XFCEshimmerproject/elementary-xfce

A maintained fork of the Elementary icon theme, extended and optimized for the Xfce desktop environment.

gtk-fortranvmagnin/gtk-fortran

A GTK / Fortran binding enabling scientists to build cross-platform graphical user interfaces (GUIs) in Fortran.

distinstpop-os/distinst

A Rust library for handling disk partitioning, encryption, and installation details in Linux distribution installers.

Luminancesidevesh/Luminance

A GTK application to control brightness of displays, including external monitors via DDC/CI.

muimalisipi/mui

A cross-platform UI library for V and C, supporting Windows, Linux, Android, and Web with native widgets and system themes.

gtkadaAdaCore/gtkada

Ada bindings for the GTK+ graphical library, enabling native GUI application development in Ada.

jfswjonof/jfsw

A modern source port of the classic 3D Realms game Shadow Warrior, enabling play on contemporary operating systems.

Ideogramcassidyjames/ideogram

A lightweight app that inserts emoji anywhere in elementary OS using a global keyboard shortcut.

Raw Studiorawstudio/rawstudio

An open-source RAW image processor for digital cameras with batch processing and tethered shooting capabilities.

Warbleavojak/warble

A native Linux word-guessing game built with Vala and GTK for elementary OS, inspired by Wordle.

webviewttytm/webview

V binding for webview, enabling cross-platform GUI apps using V and web technologies.

kpieskx/kpie

A simple devilspie-like window manipulation tool with Lua-based configuration for X11 desktops.

Outlinerphase1geo/Outliner

A native outlining application for elementary OS with rich text/Markdown support and multiple export formats.

cairo2Chris00/ocaml-cairo

OCaml binding for the Cairo 2D vector graphics library, enabling vector drawing and text rendering from OCaml applications.

Netsleuthvmkspv/netsleuth

A utility for calculating and analyzing IP subnet values to simplify network configuration tasks.