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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.
By programming language
JavaScript • Python • Java
Here are 148,938 public repositories matching this topic...
📚 Freely available programming books
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Nov 28, 2025 - Python
All Algorithms implemented in Python
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Nov 22, 2025 - Python
🏡 Open source home automation that puts local control and privacy first.
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Nov 30, 2025 - Python
🤗 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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The repository for high quality TypeScript type definitions.
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Nov 28, 2025 - TypeScript
Design patterns implemented in Java
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Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/). Please follow Documentation/SubmittingPatches procedure for any of your improvements.
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Nov 29, 2025 - C
All Algorithms implemented in Java
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Marlin is a firmware for RepRap 3D printers optimized for both 8 and 32 bit microcontrollers. Marlin supports all common platforms. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.
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Nov 30, 2025 - C++
A list of useful payloads and bypass for Web Application Security and Pentest/CTF
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The open curriculum for learning web development
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OWASP Juice Shop: Probably the most modern and sophisticated insecure web application
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Nov 29, 2025 - TypeScript
📚 Community guides for open source creators
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Nov 24, 2025 - HTML
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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Full reference of LinkedIn answers 2024 for skill assessments (aws-lambda, rest-api, javascript, react, git, html, jquery, mongodb, java, Go, python, machine-learning, power-point) linkedin excel test lösungen, linkedin machine learning test LinkedIn test questions and answers
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Nov 28, 2025 - Python
A curated list of awesome Go frameworks, libraries and software
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Nov 25, 2025 - Go
Created by DigitalOcean and GitHub
Released October 2014
- Followers
- 36.2k followers
- Website
- github.com/topics/hacktoberfest