Top HACKTOBERFEST GitHub Repositories & Tools (2026)

GLPI is a Free Asset and IT Management Software package, Data center management, ITIL Service Desk, licenses tracking and software auditing.

Cloud Native Runtime Security

TrinityCore Open Source MMO Framework (master = 12.1.0.69933, 3.3.5 = 3.3.5a.12340, cata classic = 4.4.2.60895)

A Python Interpreter written in Rust

Jenkins automation server

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

A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!

Desktop app for managing BibTeX and BibLaTeX (.bib) libraries

The Pokémon API

Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.

The Symfony PHP framework

Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

Render markdown on the CLI, with pizzazz! 💅🏻

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

The slightly more awesome standard unix password manager for teams

Declarative Continuous Deployment for Kubernetes

.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

🍻 Default casks (upstream binary packages) for the package manager for everywhere

Podman Desktop is the best free and open source tool to work with Containers and Kubernetes for developers. Get an intuitive and user-friendly interface to effortlessly build, manage, and deploy containers and Kubernetes — all from your desktop.

Instant-loading web apps, without effort