Top HACKTOBER GitHub Repositories & Tools (2026)

The immutable Linux meta-distribution for edge Kubernetes.

Mutation testing for .NET core and .NET framework!

Manages Envoy Proxy as a Standalone or Kubernetes-based Application Gateway

🔐 Securely share sensitive information with automatic expiration & deletion after a set number of views or duration. Track who, what and when with full audit logs.

OPNsense GUI, API and systems backend

Aspire is the tool for code-first, extensible, observable dev and deploy.

Open source compliance automation for SOC 2, GDPR, ISO27001, NIST 800-53, and more

Official Sentry SDKs for JavaScript

A framework that allows developers to cobble together a better UI for their own WPF applications with minimal effort.

📝 Annotation tool for macOS

Powerful web graphics runtime built on WebGL, WebGPU, WebXR and glTF

Docker-compatible REST API on top of Apple container

A Python Interpreter written in Rust

Plugin to generate BOM + CPL files for JLCPCB, assigning LCSC part numbers directly from the plugin, query the JLCPCB parts database, lookup datasheets and much more.

Cosmos is an operating system "construction kit". Build your own OS using managed languages such as C#, VB.NET, and more!

DuckDuckGo Android App

Your Friendly Open-Source Gen-AI Platform

Flagsmith is an open-source feature flag platform with remote config, experimentation, and self-hosted or cloud deployment options.

Your favorite self-hostable alternative to Google Timeline (Google Location History)

📊 The concise and progressive visualization grammar.