Interesting, Practical & Beginner-Friendly Open Source Projects on GitHub
Project Category Overview
C Projects: Hexecute (Linux Desktop Mouse Gesture Launcher), TaskExplorer (Enhanced Windows Task Manager)
C# Projects: BetterLyrics (Desktop Lyrics Tool), LiteMonitor (Hardware Monitoring Tool), Screenbox (UWP Video Player)
C++ Projects: iDescriptor (Cross-Platform iOS Device Management Tool)
Go Projects: gitmal (Git Repository to Static Website Converter), goose (Database Migration Tool), kaiju (Game Engine)
Java Projects: fesod (High-Performance Spreadsheet Processing Library), jib (Container Image Building Tool)
JavaScript/TypeScript Projects: alpine (Lightweight JS Framework), ChatLab (Chat History Analysis Tool), tinypdf (Minimalist PDF Generation Library)
Kotlin Projects: Github-Store (Cross-Platform App Store), Xed-Editor (Android Code Editor)
PHP Projects: monica (Personal Relationship Management System)
Python Projects: devpush (Self-Hosted PaaS Platform), Fast-F1 (F1 Race Data Analysis Library), gmail-cleaner (Email Cleaning Tool)
Rust Projects: Email Verification Tool, High-Performance Log Viewer
Swift Projects: port-killer (macOS Port Release Tool)
AI-Related Projects: banana-slides (AI-Generated PPT), ragas (RAG Application Evaluation Framework)
Other Tools: Free Domain Registration, HarmonyOS Linux Emulator, Network Speed Test Tool, etc.
C Projects
1.Hexecute: Linux Desktop Mouse Gesture Launcher
A Wayland-based gesture launcher that allows quick app launching by drawing mouse gestures. New gestures can be registered with just one command and 3 repeated draws, featuring a simple and intuitive operation. All gesture data is stored as JSON files for easy editing, backup, and migration.

2.TaskExplorer: A More Powerful Windows Task Manager
An advanced task management tool for Windows. Compared to the system’s built-in task manager, it displays more detailed real-time process information, including thread stacks, file handles, and network connections.

C# Projects
3.BetterLyrics: Immersive Desktop Lyrics Display Tool
A Windows-exclusive immersive lyrics tool that automatically identifies music playing in media players, retrieves lyrics from local storage or online sources in real time, and displays them elegantly on the desktop with smooth animations.

4.LiteMonitor: Lightweight Windows Hardware Monitoring Tool
A compact and customizable desktop tool for monitoring Windows hardware. It displays real-time data for CPU, GPU, memory, and network, with support for taskbar display, mouse pass-through, multilingual interface, and alert notifications.

5.Screenbox: Minimalist UWP Video Player
A video player built with LibVLCSharp, featuring a clean and elegant interface and smooth playback experience. It supports touch control, picture-in-picture mode, video screenshots, and screen casting, and is compatible with Windows 10/11 and Xbox platforms.

C++ Projects
6.iDescriptor: Cross-Platform iOS Device Management Tool
A free, open-source, cross-platform tool for managing iPhones and iPads. It supports file management, photo album imports, virtual location spoofing, AirPlay casting, and USB cable authenticity verification, working on Windows, Linux, and macOS systems.

Go Projects
7.gitmal: One-Click Conversion of Git Repositories to Static Websites
A Go-developed tool that easily converts Git repositories into static websites. By parsing the repository’s file structure, commit history, and code content, it provides a GitHub-like browsing experience, ideal for showcasing personal open source project code.

8.goose: Out-of-the-Box Database Migration Tool
A Go-based database migration tool that offers both CLI and third-party library integration. It enables standard migrations via SQL files and supports complex migration logic through custom Go code, compatible with databases like Postgres, MySQL, and ClickHouse.

9.kaiju: High-Performance Game Engine Written in Go
A 2D/3D game engine built with Go and the Vulkan graphics API, allowing developers to create games directly in Go. It comes with a built-in visual editor, the Soloud audio library, and the Bullet3 physics engine, lowering game development barriers while delivering high rendering performance and low memory usage.

10.unregistry: Sync Docker Images Like rsync
This tool enables direct pushing of local Docker images to remote servers via a simple docker pussh command, eliminating the need for external container registries. It only transfers missing image layers, making it faster than the docker save/load workflow.

Java Projects
11.fesod: Java Spreadsheet Processing Library to Avoid Memory Overflow
A high-performance, low-memory-footprint Java library for spreadsheet processing. Optimized and wrapped based on Apache POI, it effectively prevents OOM (Out of Memory) issues when handling large files through stream-based reading.
12.jib: Out-of-the-Box Container Image Builder for Java Applications
An open-source Java containerization tool developed by Google. It builds container images without requiring Docker to be running or writing Dockerfiles, offering Maven/Gradle plugins, Java libraries, and a CLI for easy integration, streamlining the containerization process for Java applications.
JavaScript Projects
13.alpine: Minimalist Lightweight JavaScript Framework
alpine: Minimalist Lightweight JavaScript Framework
A lightweight and minimal JS framework designed for frontend interactions. It provides Vue-like declarative syntax and can be used directly in HTML without build tools. Ideal for enhancing static pages with interactive features such as form handling, modal dialogs, and accordion menus, it solves the cumbersome DOM operations of jQuery while avoiding the complexity and performance overhead of frameworks like Vue or React. Perfect for lightweight projects with separated frontend and backend or pages requiring only basic dynamic behaviors.
<div x-data="{ count: 0 }">
<button x-on:click="count++">Increment</button>
<span x-text="count"></span>
</div>
14.ChatLab: Out-of-the-Box Chat History Analysis Tool
A local-first chat history analysis tool that does not require uploading data to the cloud (except for AI features). It supports SQL queries and AI-powered intelligent mining for reviewing personal chat history.
15.dev: Multi-Functional Web Code Editor Component
The core development repository for CodeMirror, a well-known web code editor component. Installable via npm, it makes it easy to build extensible and user-friendly code editors with features like syntax highlighting, autocompletion, error prompts, and code folding.

16.ogame-vue-ts: Text-Based Space Strategy Game
A text-only space strategy game built with TypeScript and Vue 3, inspired by the classic OGame Galaxy Empire game. Players can build planets and moons, develop technologies, construct fleets and defense systems, and engage in strategic gameplay such as attacking planets and recruiting officers.

17.tinypdf: Minimalist Zero-Dependency PDF Generation Library
A PDF generation library developed in TypeScript, with a compressed size of only 3.3KB and fewer than 400 lines of core code. It removes non-essential features like custom fonts, images, and compression, making it suitable for generating simple documents such as invoices, receipts, and certificates.
import { pdf } from 'tinypdf'
import { writeFileSync } from 'fs'
const doc = pdf()
doc.page((ctx) => {
ctx.rect(50, 700, 200, 40, '#2563eb') // blue rectangle
ctx.text('Hello PDF!', 60, 712, 24, { color: '#ffffff' })
ctx.line(50, 680, 250, 680, '#000000', 1) // black line
})
writeFileSync('output.pdf', doc.build())
Kotlin Projects
18.Github-Store: Cross-Platform GitHub App Store
A cross-platform open-source app store client developed in Kotlin. It supports one-click discovery of popular open source projects, downloading installation packages (e.g., APK, EXE, DMG), and tracking installed apps with update notifications.

19.Xed-Editor: Code Editor for Android
An open-source text and code editor for Android, built-in with a Termux terminal to run Python and Node.js. It supports syntax highlighting for over 200 programming languages, auto-indentation, and file management.

PHP Projects
20.monica: Open-Source Personal Relationship Management System
A personal relationship management system built with Laravel and Vue.js. It can be used to record and manage interaction details with friends and family, such as gift exchanges, birthday reminders, and event arrangements.

Python Projects
21.devpush: Fully Free and Open-Source Self-Hosted PaaS
An open-source, self-hosted web application deployment platform that serves as an alternative to Vercel. It enables automatic application building and deployment via git push on your own server, supporting multiple programming languages including Python, Node.js, and PHP.

22.Fast-F1: F1 Race Data Analysis Library
A Python library for retrieving and analyzing F1 race data, supporting queries for race results, schedules, lap times, tire usage, telemetry, and weather data. It features a built-in cache mechanism for API requests and parsed results, and integrates with Pandas and Matplotlib, making it suitable for F1 data analysis, visualization, and educational purposes.

23.gmail-cleaner: Gmail Inbox Cleaning Tool
An open-source, privacy-focused bulk Gmail cleaning tool that helps users organize their inboxes efficiently. Built with FastAPI, it provides a web interface with features such as bulk unsubscription, deletion, archiving, label management, and email data export.

24.PasteMD: One-Click Paste AI-Generated Content to Word
A Windows system tray tool developed in Python. It automatically converts Markdown and rich-text responses from web-based AI tools into DOCX format using Pandoc, and inserts the content directly at the cursor position in Word/WPS.
25.rendercv: Create Your Resume Like Writing Code
A resume generator based on Typst, designed specifically for programmers, students, and academic researchers. By writing a plain-text YAML file, users can generate a beautifully formatted and professional PDF resume with one click.

Rust Projects
26.check-if-email-exists: Email Validation Tool Without Sending Emails
An email validation tool developed in Rust. It verifies email validity without sending messages through multiple checks including regular expressions, DNS, and SMTP, and supports API and CLI usage.
27.hl: High-Performance Command-Line Log Viewer
A high-performance command-line log viewing and processing tool written in Rust. It converts structured logs in JSON and logfmt formats into highlighted, human-readable outputs.

Swift Projects
28.port-killer: One-Click Port Release App for macOS
A native macOS menu bar tool that automatically detects listening TCP ports and terminates occupying processes with one click, making it convenient for developers to free up commonly used ports quickly.

AI Projects
29.banana-slides: AI-Powered PPT Generation Tool
A tool built on the Nano Banana Pro API that automatically generates well-structured and beautifully formatted PPTs based on user ideas, outlines, or documents (e.g., PDF, Markdown). It also supports content adjustments through conversational interactions.
30.beads: Memory System for AI Coding Tools
A memory system designed specifically for AI coding tools, using Git and JSON for persistent storage. It provides long-term, structured memory for AI coding agents, solving issues such as context loss when handling long-cycle, complex programming tasks.
31.huggingface_hub: Official Python Client for Hugging Face
The official open-source Python client for the Hugging Face platform, providing functionality for downloading, uploading, and managing models, datasets, and Spaces.
from huggingface_hub import hf_hub_download
hf_hub_download(
repo_id="deepseek-ai/DeepSeek-V3.2",
filename="config.json"
)
32.LLM-RL-Visualized: Visual Explanation of Large Model Technical Principles
This project includes over 100 technical diagrams of large models, systematically introducing large models and reinforcement learning. Content covers LLM/VLM architectures, training algorithms (RL, RLHF, GRPO, DPO, SFT, CoT), performance optimization, and RAG.
33.ragas: Automated Evaluation Framework for RAG Applications
An open-source framework dedicated to evaluating and optimizing RAG (Retrieval-Augmented Generation) applications. It provides objective, quantifiable evaluation results and supports automatic test dataset generation.
import asyncio
from ragas.metrics.collections import AspectCritic
from ragas.llms import llm_factory
# Setup your LLM
llm = llm_factory("gpt-4o")
# Create a metric
metric = AspectCritic(
name="summary_accuracy",
definition="Verify if the summary is accurate and captures key information.",
llm=llm
)
# Evaluate
test_data = {
"user_input": "summarise given text\nThe company reported an 8% rise in Q3 2024, driven by strong performance in the Asian market. Sales in this region have significantly contributed to the overall growth. Analysts attribute this success to strategic marketing and product localization. The positive trend in the Asian market is expected to continue into the next quarter.",
"response": "The company experienced an 8% increase in Q3 2024, largely due to effective marketing strategies and product adaptation, with expectations of continued growth in the coming quarter.",
}
score = await metric.ascore(
user_input=test_data["user_input"],
response=test_data["response"]
)
print(f"Score: {score.value}")
print(f"Reason: {score.reason}")
Other Projects
34.blog-post-workflow: GitHub Profile Dynamic Auto-Sync Tool
A GitHub Action tool that automatically syncs your latest blog posts or other RSS feed content to your GitHub profile page or project README.

35.FreeDomain: Claim Your Free Domain Name
A project initiated by the non-profit organization DigitalPlat, aiming to provide free domain registration services for individuals and organizations. Users can register a free domain and host it on DNS providers such as Cloudflare and Hostry.
36.HiSH: Run Linux Shell on HarmonyOS
A Linux emulator and shell tool designed exclusively for HarmonyOS. It runs a full Linux environment on HarmonyOS devices, turning smartphones or tablets into lightweight, portable Linux development terminals.

37.I-wanna-clean-keyboard: A Small Tool for Eating Instant Noodles Safely at Your Keyboard
A Windows tool for temporarily disabling laptop keyboard and mouse input. Developed with AutoHotkey, it features a clean and elegant interface and can disable keyboard input with one click, preventing accidental touches while cleaning the keyboard, taking notes, or eating—especially useful for laptop users.

38.MySpeed: Out-of-the-Box Network Speed Test Tool
An open-source, lightweight network speed monitoring and statistics tool that supports scheduled speed tests and generates statistical charts, retaining up to 30 days of historical data.

39.UpSnap: LAN Device Wake-On-LAN Tool
A self-hosted web application for network wake-on-LAN, supporting one-click device wake-up within the LAN, port status monitoring, scheduled automatic boot, and network device auto-discovery.




