Top DOMAIN GitHub Repositories & Tools (2026)

Flight booking system built as .NET 10 microservices with Vertical Slice Architecture, DDD, CQRS, Event Sourcing, gRPC, RabbitMQ, Wolverine, PostgreSQL, MongoDB and .NET Aspire.

Free domain registration and practical DNS learning resources for everyone.

Synthadoc: An open-source LLM knowledge compilation engine that turns raw documents into structured, local-first wikis. A transparent, human-readable alternative to traditional RAG, which can be self-managed and self-improved without the use of any tools.

Bird frame for Raspberry Pi - real-time bird detection by audio, fully local AI, rendered as real, hand-cut 1800s bird illustrations. On an e-ink panel, a TV, or any screen.

Grab your own cool'runs-on.dev' subdomain to use for free forever.

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.

Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.

ASP.NET Boilerplate - Web Application Framework

Framework for Evolutionary Message-Driven Microservices on the JVM

Bulk domain availability checking via RDAP, DNS, and WHOIS, with prefix/suffix permutations, regex patterns, MCP, and multiple output formats

A Ruby implementation of an Event Store based on Active Record

Knowledge-Aware machine LEarning (KALE): accessible machine learning from multiple sources for interdisciplinary research, part of the 🔥PyTorch ecosystem. ⭐ Star to support our work!

Database of Internet places. Mostly domains

NodaMoney provides a library that treats Money as a first class citizen and handles all the ugly bits like currencies and formatting.

Opensource FinTech standards & payment provider data

An event sourcing library, complete with all the essential features, powered by the reliable Doctrine ecosystem and focused on developer experience.

Toolkit for domain driven design (DDD) in Laravel. Provides artisan commands to generate domain models, DTOs, view models, value objects, and much more.

Online demo without installing at - https://buildit.so/tryit

Movie browser and player for archive.org

A collection of unified blocklists designed to provide complete filtering capabilities for different online threats. Curated from multiple sources (click 🔴 The Sources 🔴 in README.md to view), these blocklists offer a robust solution for blocking ads, malware, trackers, and other unwanted content.