Hacktoberfest

Hacktoberfest is a month-long celebration of open source projects, their maintainers, and the entire community of contributors. Each October, open source maintainers give new contributors extra attention as they guide developers through their first pull requests on GitHub.

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EbookFoundation /free-programming-books

Sponsor

Star378k

📚 Freely available programming books

education list books resource hacktoberfest

UpdatedNov 28, 2025
Python

TheAlgorithms /Python

Star214k

All Algorithms implemented in Python

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UpdatedNov 22, 2025
Python

avelino /awesome-go

Sponsor

Star159k

A curated list of awesome Go frameworks, libraries and software

go golang awesome awesome-list golang-library hacktoberfest

UpdatedNov 25, 2025
Go

huggingface /transformers

Star153k

🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

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UpdatedNov 28, 2025
Python

excalidraw /excalidraw

Star111k

Virtual whiteboard for sketching hand-drawn like diagrams

productivity drawing canvas collaboration whiteboard diagrams hacktoberfest

UpdatedNov 28, 2025
TypeScript

axios /axios

Sponsor

Star108k

Promise based HTTP client for the browser and node.js

nodejs javascript promise http-client hacktoberfest

UpdatedNov 26, 2025
JavaScript

microsoft /terminal

Star101k

The new Windows Terminal and the original Windows console host, all in the same place!

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UpdatedNov 26, 2025
C++

iluwatar /java-design-patterns

Sponsor

Star93.4k

Design patterns implemented in Java

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UpdatedOct 21, 2025
Java

florinpop17 /app-ideas

Star88.3k

A Collection of application ideas which can be used to improve your coding skills.

javascript css html practice applications coding ideas hacktoberfest codingchallenges

UpdatedOct 11, 2025

home-assistant /core

Star82.8k

🏡 Open source home automation that puts local control and privacy first.

python home-automation mqtt raspberry-pi iot internet-of-things asyncio hacktoberfest

UpdatedNov 29, 2025
Python

sdmg15 /Best-websites-a-programmer-should-visit

Star74.9k

🔗 Some useful websites for programmers.

links books programmer cs hacktoberfest sites

UpdatedSep 16, 2025

nestjs /nest

Star73.7k

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

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UpdatedNov 29, 2025
TypeScript

swisskyrepo /PayloadsAllTheThings

Sponsor

Star71.9k

A list of useful payloads and bypass for Web Application Security and Pentest/CTF

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UpdatedNov 15, 2025
Python

tesseract-ocr /tesseract

Star71.1k

Tesseract Open Source OCR Engine (main repository)

machine-learning ocr tesseract lstm tesseract-ocr hacktoberfest ocr-engine

UpdatedOct 13, 2025
C++

grafana /grafana

Star71k

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

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