Open-source C projects categorized as GUI

Top 23 C GUI Projects

  • lvgl

    Embedded graphics library to create beautiful UIs for any MCU, MPU and display type. It's boosted by a professional yet affordable drag and drop UI editor, called SquareLine Studio.

    Project mention: Embedded gui interfaces | reddit.com/r/embedded | 2023-01-30

    Have you considered https://lvgl.io ?

  • webview

    Tiny cross-platform webview library for C/C++/Golang. Uses WebKit (Gtk/Cocoa) and Edge (Windows)

    Project mention: (Hayami.app) A tile-based mini browser. You can pin webpages and files on a screen together. Not for deep reading but for having a quick look at the latest information at any time. | reddit.com/r/browsers | 2023-01-28

    For example, you could use a native webview (Edge WebView2 for Windows and WebKit for MacOS/Linux), which uses much less RAM than Electron.

  • SonarLint

    Clean code begins in your IDE with SonarLint. Up your coding game and discover issues early. SonarLint is a free plugin that helps you find & fix bugs and security issues from the moment you start writing code. Install from your favorite IDE marketplace today.

  • libui

    Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.

    Project mention: Capy – Cross-platform library for making true native GUIs in Zig | news.ycombinator.com | 2022-08-01

    Fantastic! This is similar to the C library `libui` since it also acts as a wrapper of native libraries of each platform.

    If only there was a way to interface to these using some declarative minimal and highly opinionated programming language and paradigm...


  • nuklear

    A single-header ANSI C immediate mode cross-platform GUI library (by Immediate-Mode-UI)

    Project mention: CLib: Header-only C library that implements the most important classes from GLib | news.ycombinator.com | 2023-01-04
  • linux-wifi-hotspot

    Feature-rich wifi hotspot creator for Linux which provides both GUI and command-line interface. It is also able to create a hotspot using the same wifi card which is connected to an AP already ( Similar to Windows 10).

    Project mention: Create a Hotspot using the same wifi card that is already in use. (similar to windows 10) | reddit.com/r/Ubuntu | 2023-01-15

    Link for the lazy

  • nuklear

    This project provides Go bindings for nuklear.h — a small ANSI C GUI library. (by golang-ui)

  • iPlug2

    C++ Audio Plug-in Framework for desktop, mobile and web

    Project mention: Ask HN: What are 100K dollar ideas but not million dollar ideas? | news.ycombinator.com | 2022-11-24
  • InfluxDB

    Build time-series-based applications quickly and at scale.. InfluxDB is the Time Series Platform where developers build real-time applications for analytics, IoT and cloud-native services. Easy to start, it is available in the cloud or on-premises.

  • Guitar

    Git GUI Client (by soramimi)

  • GTK+

    Read-only mirror of https://gitlab.gnome.org/GNOME/gtk (by GNOME)

    Project mention: How many layers of UI inconsistencies are in Windows 11? | news.ycombinator.com | 2023-01-02

    GTK and Gnome are almost 25 years old, and they're nowhere as messy as the Windows


  • helenos

    A portable microkernel-based multiserver operating system written from scratch.

    Project mention: HelenOS a microkernel-based, multiserver OS from scratch | news.ycombinator.com | 2022-11-19

    >HelenOS is open source, free software. Its source code is available under the BSD license. Some third-party components are licensed under GPL.


  • lagrange

    A Beautiful Gemini Client

    Project mention: Show HN: Textual Markdown – a Markdown “browser” in the terminal | news.ycombinator.com | 2022-12-17

    [3] https://github.com/skyjake/lagrange

  • PDCurses

    PDCurses - a curses library for environments that don't fit the termcap/terminfo model.

    Project mention: Can curses lib handle resizing of Windows console? | reddit.com/r/cpp_questions | 2022-10-05

    However, I now experimented a litte with the PDCurses implementation in Windows 11, and found that

  • IconFontCppHeaders

    C and C++ headers, C# and Python classes and Go package for icon fonts Font Awesome, Fork Awesome, Google Material Design icons, Kenney game icons and Fontaudio.

    Project mention: Loading an icon font does not work in Dear ImGui! | reddit.com/r/gameenginedevs | 2023-01-06

    I am using C# and Silk.NET, which uses ImGuiNET for ImGui. I got the icon fonts and "header" files from https://github.com/juliettef/IconFontCppHeaders

  • ghost

    Ghost, a micro-kernel based hobby operating system. (by maxdev1)

  • microwindows

    The Nano-X Window System

    Project mention: Nano-X Window System | news.ycombinator.com | 2022-08-20
  • mednaffe

    A front-end (GUI) for mednafen emulator

    Project mention: A few questions about Mednafen | reddit.com/r/emulators | 2023-01-13
  • webui

    Use any web browser as GUI, with your preferred language in the backend, and HTML/JS/TS/CSS in the frontend. (by alifcommunity)

    Project mention: Bundling self contained SSR App | reddit.com/r/solidjs | 2022-11-29
  • sqlite-gui

    Lightweight SQLite editor for Windows

    Project mention: i need to convert accessdb to sqlitedb | reddit.com/r/sqlite | 2023-01-17

    You can do it by sqlite-gui (I'm author). Open your SQLite database and then go to Main menu > Import > Import via ODBC In a dialog window push ... to run ODBC Administrator, then create DSN for your Access file and after that choose it. Other steps are simple.

  • totalcross

    TotalCross is a Software Development Kit that helps cross platform application development. Currently supported platforms are: Windows, Wince, Android, iOS, Linux and Linux ARM for embedded systems.

    Project mention: Managing XCode dependencies | reddit.com/r/cmake | 2022-03-02

    I have this cross platform project named TotalCross that builds for Windows, WinCE (both using VS2008), Android, iOS, Linux (x64 and ARM) that used to have a separate build system for each platform.

  • OpenHSP

    Hot Soup Processor (HSP3)

    Project mention: OpenHSP (HSP3): BASIC like scripting language for games and other programs | news.ycombinator.com | 2022-06-09
  • showmethekey

    Show keys you typed on screen.

  • DesktopUI

    ZeroTier Desktop Tray Application and UI

  • qtools

    QTools collection of open source tools for embedded systems development on Windows, Linux and MacOS

  • SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-01-30.

C GUI related posts


What are some of the best open-source GUI projects in C? This list will help you:

Project Stars
1 lvgl 11,224
2 webview 10,853
3 libui 10,396
4 nuklear 6,965
5 linux-wifi-hotspot 1,626
6 nuklear 1,506
7 iPlug2 1,450
8 Guitar 1,410
9 GTK+ 1,162
10 helenos 1,104
11 lagrange 970
12 PDCurses 844
13 IconFontCppHeaders 826
14 ghost 481
15 microwindows 456
16 mednaffe 319
17 webui 241
18 sqlite-gui 214
19 totalcross 200
20 OpenHSP 134
21 showmethekey 106
22 DesktopUI 106
23 qtools 100
SaaSHub - Software Alternatives and Reviews
SaaSHub helps you find the best software and product alternatives