Cool GitHub repositories

quickemu

QuickRemu enables quick testing of Linux distributions where the virtual machines and their configuration can be stored anywhere (such as external USB storage or your home directory) and no elevated permissions are required to run the virtual machines.

Creator: quickemu-project
Stars ⭐️: 16,090
Forked by: 733

Github Repo:
https://github.com/quickemu-project/quickemu

#Linux #VirtualMachines
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phoneinfoga

PhoneInfoga is one of the most advanced tools to scan international phone numbers. It allows you to first gather basic information such as country, area, carrier and line type, then use various techniques to try to find the VoIP provider or identify the owner. It works with a collection of scanners that must be configured in order for the tool to be effective.

Creator: sundowndev
Stars ⭐️: 17,600
Forked by: 5,700

Github Repo:
https://github.com/sundowndev/phoneinfoga

#PhoneNumbers #Scanning
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Understand Anything

Understand Anything is a Claude Code Plugin that analyzes your project with a multi-agent pipeline, builds a knowledge graph of every file, function, class, and dependency, then gives you an interactive dashboard to explore it all visually. It works with Claude Code, Codex, Cursor, Copilot, and Gemini CLI.

Creator: Egonex-AI (originally by Lum1104)
Stars ⭐️: 80,300
Forked by: 6,700

GitHub Repo:
https://github.com/Egonex-AI/Understand-Anything

#DeveloperTools #CodeUnderstanding
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Midday

Midday is an all-in-one tool designed to help freelancers, contractors, consultants, and solo entrepreneurs manage their business operations more efficiently. Invoicing, live time tracking, AI-powered receipt matching, secure file vault, and financial overview in one self-hostable app. Think of it as your own back-office without the $50/month SaaS bill.

Creator: midday-ai
Stars ⭐️: 14,900
Forked by: 1,800

Github Repo:
https://github.com/midday-ai/midday

#Productivity #Business
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electron

The Electron framework lets you write cross-platform desktop applications using JavaScript, HTML and CSS. It is based on Node.js and Chromium and is used by the Visual Studio Code and many other apps.

Creator: electron
Stars ⭐️: 122,500
Forked by: 17,371

Github Repo:
https://github.com/electron/electron

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claude-status-bar

A tiny, no-frills macOS menu bar app that shows Claude Code's live status in real time. An animated icon while it's thinking, a yellow dot when it needs your attention, and a timer for the current turn. Built for devs who tab away during long runs and need a quick glance to know what's happening.

Creator: m1ckc3s
Stars ⭐️: 684
Forked by: 61

Github Repo:
https://github.com/m1ckc3s/claude-status-bar

#ClaudeCode #Status
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pm-skills

PM Skills Marketplace: 100+ agentic skills, commands, and plugins, from discovery to strategy, execution, launch, and growth.

Each skill encodes a proven PM framework: discovery, assumption mapping, prioritization, strategy and walks you through it step by step. You get the rigor of Teresa Torres, Marty Cagan, and Alberto Savoia built into your daily workflow, not sitting on a bookshelf.

Creator: phuryn
Stars ⭐️: 17,900
Forked by: 1,300

Github Repo:
https://github.com/phuryn/pm-skills

#AgenticSkills #ProductManagement
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25 Github Repositories Every Python Developer Should Know

1. Python
The official repository of Python's source code. Dive into it to explore Python's internals or contribute to the language's development.

2. Awesome Python
A curated list of awesome Python frameworks, libraries, software, and resources. A perfect starting point for any Python developer.

3. Requests
Simplifies HTTP requests in Python. A must-have library for working with APIs and web scraping.

4. Flask
A lightweight web framework that is simple to use yet highly flexible, ideal for small to medium-sized applications.

5. Django
A high-level web framework that encourages rapid development and clean, pragmatic design for building robust web applications.

6. FastAPI
A modern web framework for building APIs with Python. Known for its speed and automatic OpenAPI documentation.

7. Pandas
Provides powerful tools for data manipulation and analysis, including support for data frames.

8. NumPy
The go-to library for numerical computations. It’s the backbone of Python’s scientific computing stack.

9. Matplotlib
A plotting library for creating static, animated, and interactive visualizations in Python.

10. Seaborn
Builds on Matplotlib and simplifies creating beautiful and informative statistical graphics.

11. Scikit-learn
A machine learning library featuring various classification, regression, and clustering algorithms.

12. TensorFlow
A powerful framework for machine learning and deep learning, supported by Google.

13. PyTorch
Another leading machine learning framework, known for its flexibility and dynamic computation graph.

14. BeautifulSoup
Simplifies web scraping by parsing HTML and XML documents.

15. Scrapy
An advanced web scraping and web crawling framework.

16. Streamlit
Makes it easy to build and share data apps using pure Python. Great for data scientists.

17. Celery
A distributed task queue library for running asynchronous jobs.

18. SQLAlchemy
A powerful ORM (Object-Relational Mapping) tool for managing database operations in Python.

19. Pytest
A robust testing framework for writing simple and scalable test cases.

20. Black
An uncompromising code formatter for Python. Makes your code consistent and clean.

21. Bokeh
For creating interactive visualizations in modern web browsers.

22. Plotly
Another library for creating interactive visualizations but with more customization options.

23. OpenCV
The go-to library for computer vision tasks like image processing and object detection.

24. Pillow
A friendly fork of PIL (Python Imaging Library), used for image processing tasks.

25. Rich
A Python library for beautiful terminal outputs with rich text, progress bars, and more.

10 GitHub Repos to Master Prompt Engineering

1- Prompt Engineering Guide
2- Anthropic Prompt Engineering Interactive Tutorial
3- Prompt Engineering (22 hands-on notebooks)
4- Awesome Prompt Engineering
5- Generative AI for Beginners (Microsoft)
6- OpenAI Cookbook
7- Brex's Prompt Engineering Guide
8- Awesome ChatGPT Prompts
9- System Prompts of AI Tools (Cursor, Claude, vO, Devin)
10- Awesome Prompts (top GPTs, prompt attack + defense)

👉 Cool GitHub Repositories

MONAI

MONAI is a PyTorch-based, open-source framework for deep learning in healthcare imaging, part of the PyTorch Ecosystem. 

Creator: Project-MONAI
Stars ⭐️: 8,563
Forked by: 1,591

Github Repo:
https://github.com/Project-MONAI/MONAI

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changedetection.io

A tool for website change detection, web page monitoring, and website change alerts. Great for tracking content changes, price drops, restock alerts, and website defacement monitoring, all for free.

Creator: dgtlmoon
Stars ⭐️: 32,453
Forked by: 1,895

Github Repo:
https://github.com/dgtlmoon/changedetection.io

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reactjs-interview-questions

List of top 500 ReactJS Interview Questions & Answers.

Creator: sudheerj
Stars ⭐️: 44,796
Forked by: 10,384

Github Repo:
https://github.com/sudheerj/reactjs-interview-questions

#ReactJS #Interview
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snipe-it

A free open source IT asset/license management system

Creator: grokability
Stars ⭐️: 14,800
Forked by: 3,951

Github Repo:
https://github.com/grokability/snipe-it

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revanced-manager

ReVanced Manager is an application that uses ReVanced Patcher to patch Android apps. ReVanced Manager allows you to download, patch, and customize you Apps.

Creator: ReVanced
Stars ⭐️: 28,700
Forked by: 1,110

Github Repo:
https://github.com/ReVanced/revanced-manager

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openapi-generator

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

Creator: OpenAPITools
Stars ⭐️: 26,611
Forked by: 7,619

Github Repo:
https://github.com/OpenAPITools/openapi-generator

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🎂 Sometime ago on my birthday I asked you to share what you've been building, here's what you sent.

Some really cool projects came through. Here are the ones I'm featuring:

1. shapesoup
A creative front-end project exploring animated CSS-powered shapes and visual effects.
Creator: benedicti0n
Stars ⭐️: 3
Forked by: 1

2. opensa
An open-source game engine built from scratch that runs GTA San Andreas assets and mods entirely in the browser.
Creator: AlexSergey
Stars ⭐️: 250
Forked by: 10

3. daily_mood_dashboard_python
A Python dashboard that turns your daily mood logs into visual charts you can actually reflect on.
Creator: MdxShad
Stars ⭐️: _
Forked by: _

4. whph
A cross-platform productivity app combining task management, habit tracking, time optimization, quick notes, and app usage monitoring into one.
Creator: ahmet-cetinkaya
Stars ⭐️: 423
Forked by: 24

5. VishwaGuru
An open source platform built to improve India's youth to engage with democracy.
Creator: RohanExploit
Stars ⭐️: 11
Forked by: 38

6. ECC
A complete agent harness performance system for Claude Code, Codex, Cursor, and OpenCode - skills, memory, hooks, security scanning, and multi-harness workflows.
Creator: affaan-m
Stars ⭐️: 230,000
Forked by: 35,200

7. CleanMacJoe
A macOS cleaner tool that removes junk, caches, and app leftovers from your system.
Creator: joemockdao
Stars ⭐️: 15
Forked by: 1

8. space-cadet-rl
Reinforcement learning on the original 3D Pinball Space Cadet engine
Creator: driano1221
Stars ⭐️: 1
Forked by: _

9. pipdash
Gives you PyPI package download stats and metadata - right in your terminal. No browser, no login, one command.
Creator: bevinkatti
Stars ⭐️: 3
Forked by: 1

10. gitx-skill
GitX is an AI-agent skill for turning messy AI-generated changes into clean, safe Git history.
Creator: MusoyanGrigor
Stars ⭐️: 78
Forked by: 6


11. PdfZero
Free, open-source PDF editor that runs entirely in your browser - no uploads, no limits, no sign-ups.
Creator: bevinkatti
Stars ⭐️: 10
Forked by: 5

Thank you to everyone who shared 🙌
Keep building, you never know what gets featured next.

pocketbase

PocketBase is an open source Go backend that includes:
- embedded database (SQLite) with realtime subscriptions
- built-in files and users management
- convenient Admin dashboard UI
- and simple REST-ish API

Creator: pocketbase
Stars ⭐️: 60,100
Forked by: 3,600

Github Repo:
https://github.com/pocketbase/pocketbase

#Backend
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nocodb

NocoDB is the fastest and easiest way to build databases online. A Free & Self-hostable Airtable Alternative

Creator: nocodb
Stars ⭐️: 64,178
Forked by: 4,942

Github Repo:
https://github.com/nocodb/nocodb

#Database #NoCode
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upscayl

Free and Open Source AI Image Upscaler. Upscayl lets you enlarge and enhance low-resolution images using advanced AI algorithms. Enlarge images without losing quality.

Creator: upscayl
Stars ⭐️: 47,420
Forked by: 2,351

Github Repo:
https://github.com/upscayl/upscayl

#ImageEnhancement
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Langostino

Langostino is an open-source autonomous drone platform using ROS2 and AI-powered flight control. It teaches you how to create drone from scratch.

Creator: swarm-subnet
Stars ⭐️: 250
Forked by: 36

Github Repo:
https://github.com/swarm-subnet/Langostino

#Drone #AIPowered
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