hacktoberfest

Part guillotine, part graveyard for Google's doomed apps, services, and hardware.

Find security vulnerabilities, compliance issues, and infrastructure misconfigurations early in the development cycle of your infrastructure-as-code with KICS by Checkmarx.

The .NET MAUI Community Toolkit is a community-created library that contains .NET MAUI Extensions, Advanced UI/UX Controls, and Behaviors to help make your life as a .NET MAUI developer easier

Javascript library to connect to swagger-enabled APIs via browser or nodejs

Darwin is the Open Source core of macOS, and PureDarwin is a community project to extend Darwin into a complete, usable operating system.

Aqui você encontrará uma coleção de desafios projetados para aprimorar suas habilidades de programação com foco em backend.

Web Extension for sniffing and downloading HTTP Live streams (HLS)

Instrument headless chrome/chromium instances from PHP

The missing components for your favorite front-end framework.

Vest ✅ Declarative validations framework

Detect, track and alert on infrastructure drift

Open-Source Web UI for managing Apache Kafka clusters

🍀 sweet looking lockscreen for linux system

All Algorithms implemented in PHP

WebThings Gateway - a self-hosted web application for monitoring and controlling a building over the web

6,500+ brand SVG icons for developers. Tree-shakeable, typed, open source. npm i thesvg

This is a community project. We write and collect scripts for polybar!

Open MPI main development repository

nFPM is Not FPM - a simple deb, rpm, apk, ipk, and arch linux packager written in Go

A generalised Result object implementation for .NET/C#

Make your first Pull Request on Hacktoberfest 2026. Don't forget to spread love and if you like give us a ⭐️

NUnit Framework

An open source visual editor for the 'MapLibre Style Specification'

Extensible security first OAuth 2.0 and OpenID Connect SDK for Go.

The official AWS SDK for Java - Version 2

Runtime Security Enforcement System. Workload hardening/sandboxing and implementing least-permissive policies made easy leveraging LSMs (LSM-BPF, AppArmor).

Developer-first OpenSource API DevTool, Postman/Insomnia alternative.

Run multiple websites using the same Laravel installation while keeping tenant specific data separated for fully independent multi-domain setups, previously github.com/hyn/multi-tenant

🔽 Install and update your Xcodes

Fancy extension for std::error::Error with pretty, detailed diagnostic printing.