100 Lines of Code

Note - 100LinesOfCode is now actively maintained by my AI Friday - github.com/fridayjoshi

Build something productive in less than 100 lines of code!

A curated collection of small, powerful, and educational code projects perfect for beginners and experienced developers alike.

Explore Projects • Contributing • Getting Started • Community

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What is 100 Lines of Code?

100 Lines of Code is a community-driven repository showcasing that you don't need thousands of lines to build something meaningful. Each project demonstrates:

• Simplicity: Clear, concise code under 100 lines
• Functionality: Real, working applications and utilities
• Learning: Perfect for understanding core concepts
• Diversity: Multiple languages, frameworks, and use cases

Whether you're a beginner looking to learn or an experienced developer seeking inspiration, you'll find projects that demonstrate the power of concise, elegant code.

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Why Contribute?

• Perfect First Contribution: Beginner-friendly issues labeled good-first-issue and first-timers-only
• Learn by Doing: Contribute small, manageable projects in any language
• Build Your Portfolio: Showcase your work in a popular open-source repository
• Join the Community: Connect with developers worldwide
• Hacktoberfest Ready: Participate in annual open-source celebrations

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Featured Projects

Here are some of our most popular contributions:

Project	Language	Description	Stars
Invisibility Cloak	Python	OpenCV-based Harry Potter invisibility effect	⭐⭐⭐
GitHub Follower Bot	Python	Automate GitHub following	⭐⭐⭐
Password Generator	Multiple	Secure random password generation	⭐⭐⭐
Tic Tac Toe	JavaScript	Classic game implementation	⭐⭐
Weather Forecast	Python	Get weather data from APIs	⭐⭐

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Projects

Browse our collection of 100+ mini-projects organized by category:

Games & Entertainment

• Hangman Game - Classic word guessing game
• Rock Paper Scissors - Interactive RPS game
• Wordle - Word puzzle game clone
• Connect 4 - Two-player connection game
• The Dinosaur Game - Chrome's offline game
• Black Jack - Card game simulation
• Russian Roulette - Probability game
• Slot Machine - Casino-style slot game

Web Development

• Beautiful JS Clock - Animated clock interface
• To-Do List - Task management app
• Cat App - Random cat image generator
• Currency Converter - Real-time exchange rates
• Color Matcher - RGB/HEX color tools

Utilities & Tools

• File Organizer - Automatically sort files
• Password Generator - Secure password creation
• QR Code Generator - Create QR codes
• URL Shortener - Shorten long URLs
• Encryption Tool - Basic encryption/decryption
• Port Scanner - Network security tool
• MAC Address Changer - Network utility

Data & Scraping

• Amazon Review Scraper - Extract product reviews
• Reddit Politics Scraper - Scrape Reddit data
• Codeforces Scraper - Competitive programming stats
• One Piece Scraper - Anime data scraper
• NodeJS Scraper - Web scraping template

Machine Learning & AI

• Face Detection - Detect faces in images
• Drowsiness Detection - Driver safety system
• Sentiment Analyzer - Text sentiment analysis
• OCR Tool - Extract text from images

Productivity

• Google Drive Organizer - Auto-organize Drive files
• Notes GUI - Simple note-taking app
• My Personal Diary - Digital diary
• Documentation Generator - Auto-generate docs

Fun & Creative

• Shakespeare Insult Generator - Generate Shakespearean insults
• Fake Data Generator - Generate test data
• Turtle Art - Creative Python graphics
• Spinning Cube - 3D graphics demo
• Unique Avatar Generator - Create user avatars

Algorithms & Math

• Huffman Compressor - Data compression
• Caesar Cipher - Classic encryption
• Morse Code Translator - Encode/decode Morse
• Base Converter - Number base conversion
• Factorial Calculator - Calculate factorials
• Mandelbrot Generator - Fractal visualization

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Getting Started

For Contributors

1. Fork the Repository

   # Click the 'Fork' button at the top right of this page
   

2. Clone Your Fork

   git clone https://github.com/YOUR_USERNAME/100LinesOfCode.git
   cd 100LinesOfCode
   

3. Create a New Project

   mkdir "My Awesome Project"
   cd "My Awesome Project"
   # Create your project files
   

4. Add a README

   # My Awesome Project
   
   ## Description
   Brief description of what your project does
   
   ## Installation
   Steps to install dependencies
   
   ## Usage
   How to run the project
   
   ## Technologies
   - Language/Framework used
   

5. Commit and Push

   git add .
   git commit -m "Add: My Awesome Project"
   git push origin master
   

6. Create a Pull Request

   • Go to your fork on GitHub
   • Click "New Pull Request"
   • Fill in the details and submit!

Project Guidelines

Your project should:

• ✅ Be under 100 lines of code (excluding comments and blank lines)
• ✅ Be functional and runnable
• ✅ Include a README.md explaining what it does
• ✅ Use clear, readable code
• ✅ Be original or properly attributed
• ✅ Not contain malicious code

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Contributing

We love contributions! Whether you're fixing bugs, adding projects, or improving documentation, every contribution matters.

Quick Start for First-Timers

Never contributed to open source before? No problem! Check out:

• First Timers Only
• Make a Pull Request
• How to Contribute to Open Source

Find Issues to Work On

We label issues to help you get started:

• good-first-issue - Perfect for newcomers
• first-timers-only - Reserved for first-time contributors
• help-wanted - We need community help
• hacktoberfest - Hacktoberfest-ready issues

View All Issues

Contribution Ideas

• Add a new mini-project in any language
• Improve existing project documentation
• Fix bugs or enhance existing projects
• Add tests to projects
• Create project category pages
• Improve the main README
• Add project screenshots/demos

Read our CONTRIBUTING.md for detailed guidelines.

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Community

Discussions

Have questions or ideas? Join our GitHub Discussions!

• Q&A: Ask questions about projects or contributing
• Ideas: Suggest new project ideas
• Show and Tell: Share what you've built
• General: General community chat

Code of Conduct

We are committed to providing a welcoming and inclusive experience for everyone. Please read and follow our Code of Conduct.

Stay Connected

• ⭐ Star this repository to stay updated
• 👀 Watch for new projects and updates
• 🍴 Fork to create your own collection
• 💬 Join discussions to connect with contributors

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Recognition

Top Contributors

Thanks to all our amazing contributors! 🎉

Hacktoberfest

This repository actively participates in Hacktoberfest! Look for issues labeled hacktoberfest during October.

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Languages

Our projects span multiple programming languages:

And many more!

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Statistics

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License

This project is licensed under the GNU General Public License v3.0.

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Support

If you find this repository helpful:

• ⭐ Star the repository
• 🐛 Report bugs via Issues
• 💡 Suggest features via Discussions
• 📢 Share with friends and on social media

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Built with ❤️ by the open-source community

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