Domenico Tenace for This is Learning

Posted on Sep 9 • Originally published at Medium

7 Open Source Projects You Should Know - C Edition ✔️

#opensource #c #github #softwaredevelopment

Overview

Hi everyone 👋🏼
In this article, I'm going to look at seven OSS repository that you should know written in C, interesting projects that caught my attention and that I want to share.
Let's start 🤙🏼

1. LVGL

LVGL is the most popular open source embedded graphics library to create beautiful UIs for any MCU, MPU and display type. It's supported by industry leading vendors and projects like Arm, STM32, NXP, Espressif, Nuvoton, Arduino, RT-Thread, Zephyr, NuttX, Adafruit and many more.
Amazing and beautiful project! 😎

lvgl / lvgl

Embedded graphics library to create beautiful UIs for any MCU, MPU and display type.

English | 中文 | Português do Brasil | 日本語

Light and Versatile Graphics Library

Website | Docs | Forum | Demos | Services

📒 Overview

Mature and Well-known
LVGL is the most popular free and open source embedded graphics library to create beautiful UIs for any MCU, MPU and display type. It's supported by industry leading vendors and projects like Arm, STM32, NXP, Espressif, Nuvoton, Arduino, RT-Thread, Zephyr, NuttX, Adafruit and many more.

Feature Rich
It has all the features to create modern and beautiful GUIs: 30+ built-in widgets, a powerful style system, web inspired layout managers, and a typography system supporting many languages. To integrate LVGL into your platform, all you need is at least 32kB RAM and 128 kB Flash, a C compiler, a frame buffer, and at least an 1/10 screen sized buffer for rendering.

Services
Our team is ready to help you with graphics design, UI…

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2. systemd

systemd is a suite of basic building blocks for a Linux system. It provides a system and service manager that runs as PID 1 and starts the rest of the system. 🤖

systemd / systemd

The systemd System and Service Manager

System and Service Manager

Details

Most documentation is available on systemd's web site.

Assorted, older, general information about systemd can be found in the systemd Wiki.

Information about build requirements is provided in the README file.

Consult our NEWS file for information about what's new in the most recent systemd versions.

Please see the Code Map for information about this repository's layout and content.

Please see the Hacking guide for information on how to hack on systemd and test your modifications.

Please see our Contribution Guidelines for more information about filing GitHub Issues and posting GitHub Pull Requests.

When preparing patches for systemd, please follow our Coding Style Guidelines.

If you are looking for support, please contact our mailing list, join our IRC channel #systemd on libera.chat or Matrix channel

Stable branches with backported patches are available in the stable repo.

We have a…

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3. DOOM Retro

Who doesn't know the successful DOOM video game series?
DOOM Retro is the classic, refined DOOM source port for Windows PC. It represents the game in all its dark and gritty, unapologetically pixelated glory. 👹

bradharding / doomretro

The classic, refined DOOM source port. For Windows PC.

DOOM Retro is the classic, refined DOOM source port for Windows PC. It represents how I like my DOOM to be today, in all its dark and gritty, unapologetically pixelated glory. I have strived to craft a unique and cohesive set of compelling features, while continuing to uphold my respect for that classic, nostalgic DOOM experience many of us, after all this time, still hold dear.

Open the DOOM Retro Wiki for more information.

_{DOOM Retro is Copyright © 2013–2024 by Brad Harding. All rights reserved. Coded with love in Western Sydney, Australia. DOOM Retro is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the license, or (at your option) any later version. DOOM Retro is distributed in the hope that it will be useful, but}…

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4. OBS Studio

OBS Studio needs no introduction: the famous screen recording and live streaming software is open source and written in C! 📹

obsproject / obs-studio

OBS Studio - Free and open source software for live streaming and screen recording

OBS Studio <https://obsproject.com>

OBS Studio Build Status - GitHub Actions

What is OBS Studio?

OBS Studio is software designed for capturing, compositing, encoding, recording, and streaming video content, efficiently.

It's distributed under the GNU General Public License v2 (or any later version) - see the accompanying COPYING file for more details.

Quick Links

Website: https://obsproject.com
Help/Documentation/Guides: https://github.com/obsproject/obs-studio/wiki
Forums: https://obsproject.com/forum/
Build Instructions: https://github.com/obsproject/obs-studio/wiki/Install-Instructions
Developer/API Documentation: https://obsproject.com/docs
Donating/backing/sponsoring: https://obsproject.com/contribute
Bug Tracker: https://github.com/obsproject/obs-studio/issues

Contributing

If you would like to help fund or sponsor the project, you can do so via Patreon, OpenCollective, or PayPal. See our contribute page for more information.
If you wish to contribute code to the project, please make sure to read the coding and commit guidelines https://github.com/obsproject/obs-studio/blob/master/CONTRIBUTING.rst
Developer/API documentation can be found here: https://obsproject.com/docs
If you wish to contribute translations, do not submit pull requests. Instead, please use Crowdin. For more information read this page: https://obsproject.com/wiki/How-To-Contribute-Translations-For-OBS
Other ways to contribute are…

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5. raylib

raylib is a simple and easy-to-use library to enjoy videogames programming.
It is highly inspired by Borland BGI graphics library and by XNA framework and it's especially well suited for prototyping, tooling, graphical applications, embedded systems and education. 🕹

raysan5 / raylib

A simple and easy-to-use library to enjoy videogames programming

raylib is a simple and easy-to-use library to enjoy videogames programming.

raylib is highly inspired by Borland BGI graphics lib and by XNA framework and it's especially well suited for prototyping, tooling, graphical applications, embedded systems and education.

NOTE for ADVENTURERS: raylib is a programming library to enjoy videogames programming; no fancy interface, no visual helpers, no debug button... just coding in the most pure spartan-programmers way.

Ready to learn? Jump to code examples!

features

NO external dependencies, all required libraries are bundled into raylib
Multiple platforms supported: Windows, Linux, MacOS, RPI, Android, HTML5... and more!
Written in plain C code (C99) using PascalCase/camelCase notation
Hardware accelerated with OpenGL (1.1, 2.1, 3.3, 4.3, ES 2.0, ES 3.0)
Unique OpenGL abstraction layer (usable as standalone module): rlgl
Multiple Fonts formats supported (TTF, OTF, Image fonts, AngelCode fonts)
Multiple texture formats supported, including compressed formats (DXT, ETC, ASTC)
Full…

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6. Celluloid

Celluloid (formerly GNOME MPV) is a simple GTK+ frontend for mpv. It interacts with mpv via the client API exported by libmpv, allowing access to mpv's powerful playback capabilities.
It is an alternative of VLC. 🧨

celluloid-player / celluloid

A simple GTK+ frontend for mpv

Celluloid

Celluloid (formerly GNOME MPV) is a simple GTK+ frontend for mpv. Celluloid interacts with mpv via the client API exported by libmpv, allowing access to mpv's powerful playback capabilities.

Repository Mirror: https://codeberg.org/celluloid-player/celluloid

Dependencies

appstream-glib (build)
pkg-config (build)
gcc (build)
glib >= 2.66
gtk >= 4.10
libadwaita >= 1.4.0
mpv >= 0.32
epoxy
lua (optional)
youtube-dl (optional)

Installation

Packages

Ubuntu users can use this PPA to get more up-to-date versions of Celluloid.

Flatpak

Flatpak packages support multiple distributions and are sandboxed. Flatpak 0.9.5+ is recommended for best integration.

Stable releases are hosted on Flathub:

flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
flatpak install flathub io.github.celluloid_player.Celluloid

Snap

Stable releases are hosted on Snapcraft:

sudo snap install celluloid

Source code

Run the following command in the source code directory to build and install:

meson setup build && cd build && ninja && sudo ninja install

Usage

Opening files

There are 4 ways…

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7. finit

finit (Fast init for Linux) is an alternative to SysV init and systemd, originally reverse engineered from the EeePC. 🪛

troglobit / finit

Fast init for Linux. Cookies included

Introduction

Fast init for Linux systems. Reverse engineered from the EeePC fastinit by Claudio Matsuoka — "gaps filled with frog DNA …"

Figure 1: Screenshot of Finit booting Alpine Linux (HowTo).

Features include:

Runlevels, defined per service
One-shot tasks, services (daemons), or SysV init start/stop scripts
Runparts and /etc/rc.local support
Process supervision similar to systemd
Sourcing environment files
Conditions for network/process/custom dependencies
Readiness notification; PID files (native) for synchronizing system startup, support for systemd sd_notify(), or s6 style too
Limited support for tmpfiles.d(5) (no aging, attributes, or subvolumes)
Pre/Post script actions
Rudimentary templating support
Tooling to enable/disable services
Built-in getty
Built-in watchdog, with support for hand-over to watchdogd
Built-in support for Debian/BusyBox /etc/network/interfaces
Cgroups v2, both…

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Conclusion

This list lists seven open source projects that are worth checking out, either to use them or even to contribute🖖
Happy coding!✨

Hi👋🏻
My name is Domenico, software developer passionate of Vue.js framework, I write article about it for share my knowledge and experience.
Don't forget to visit my Linktree to discover my projects 🫰🏻

Linktree: https://linktr.ee/domenicotenace

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