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

Star379k

📚 Freely available programming books

education list books resource hacktoberfest

UpdatedDec 13, 2025
Python

TheAlgorithms /Python

Star215k

All Algorithms implemented in Python

python education algorithm practice interview sorting-algorithms learn algos algorithm-competitions sorts hacktoberfest algorithms-implemented community-driven searches

UpdatedDec 13, 2025
Python

avelino /awesome-go

Sponsor

Star160k

A curated list of awesome Go frameworks, libraries and software

go golang awesome awesome-list golang-library hacktoberfest

UpdatedDec 9, 2025
Go

huggingface /transformers

Star154k

🤗 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.

audio python nlp machine-learning natural-language-processing deep-learning pytorch transformer speech-recognition glm pretrained-models hacktoberfest gemma vlm pytorch-transformers model-hub llm qwen deepseek

UpdatedDec 16, 2025
Python

excalidraw /excalidraw

Star113k

Virtual whiteboard for sketching hand-drawn like diagrams

productivity drawing canvas collaboration whiteboard diagrams hacktoberfest

UpdatedDec 15, 2025
TypeScript

axios /axios

Sponsor

Star108k

Promise based HTTP client for the browser and node.js

nodejs javascript promise http-client hacktoberfest

UpdatedDec 15, 2025
JavaScript

microsoft /terminal

Star101k

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

windows console terminal command-line wsl cmd hacktoberfest contributions-welcome windows-console good-first-issue windows-terminal

UpdatedDec 15, 2025
C++

iluwatar /java-design-patterns

Sponsor

Star93.5k

Design patterns implemented in Java

java snippets design-patterns principles awesome-list hacktoberfest snippets-library snippets-collection

UpdatedOct 21, 2025
Java

florinpop17 /app-ideas

Star88.8k

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

Star83.2k

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

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

UpdatedDec 16, 2025
Python

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

Star75k

🔗 Some useful websites for programmers.

links books programmer cs hacktoberfest sites

UpdatedSep 16, 2025

nestjs /nest

Star73.9k

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

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UpdatedDec 16, 2025
TypeScript

swisskyrepo /PayloadsAllTheThings

Sponsor

Star72.3k

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

security hacking web-application cheatsheet enumeration penetration-testing bounty vulnerability methodology bugbounty pentest bypass payload payloads hacktoberfest privilege-escalation redteam

UpdatedDec 12, 2025
Python

tesseract-ocr /tesseract

Star71.4k

Tesseract Open Source OCR Engine (main repository)

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

UpdatedDec 15, 2025
C++

grafana /grafana

Star71.3k

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.

mysql go elasticsearch postgres monitoring dashboard influxdb analytics metrics grafana alerting prometheus data-visualization business-intelligence hacktoberfest