Links
AddThe HackerNoon Library.
THE LEARN REPO orders technology stories by editor determined subject matter and community determined time reading created. It is an open source lever within the HackerNoon Story Classification System.
The classic pixelated icons that define HackerNoon.com, are now free to use on your own site / app / product / project :-)
An open-source collection of 120+ Pixelated Icons. Meticulously designed on a 24px grid, ensuring perfect alignment and consistency to enrich your web/app/product/page/life experience.
HackerOS is a Linux distribution based on Debian (testing), created for ordinary users, gamers, cybersecurity enthusiasts, and power-users.
By default, HackerOS has the standard Debian kernel, unless we are talking about the gaming edition, which has the Liquorix kernel built-in in the old version, and the XanMod LTS kernel in the new version.
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HackerTarget.com is the worlds leading provider of open source security scans that are available online.
This repository will contain many mindmaps for cyber security technologies, methodologies, courses, and certifications in a tree structure to give brief details about them.
Collaborative Markdown Knowledge Base. Real-time collaborate on project team technical personal documentation in markdown. Capture fleeting ideas and formalize tribal knowledge.
Realtime collaborate notes. Using markdown syntax. On all platforms.
Hackpad is a web-based realtime wiki, based on the open source EtherPad collaborative document editor.
Welcome to Hackropole. This platform allows you to replay the challenges of the France Cybersecurity Challenge all year round to discover and train in various areas of cybersecurity.
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The community dedicated to learning hardware. Hackster is a community dedicated to learning hardware, from beginner to pro.
Hacking Training For The Best | Individuals & Companies. A Massive Hacking Playground.
Join a dynamically growing hacking community and take your cybersecurity skills to the next level through the most captivating, gamified, hands-on training experience!
Best way to boost your cybersecurity skills
Tailored cybersecurity upskilling platform for all levels, catering to beginners and pros. Expertly designed with custom content to boost cybersecurity skills.
The Home Assistant Community Store (HACS) is a custom integration that provides a UI to manage custom elements in Home Assistant.
Dockerfile linter, validate inline bash, written in Haskell.
A smarter Dockerfile linter that helps you build best practice Docker images. The linter parses the Dockerfile into an AST and performs rules on top of the AST. It stands on the shoulders of ShellCheck to lint the Bash code inside RUN instructions.
Open-Source API Security Testing Framework.
API security testing framework for REST, GraphQL, and gRPC that validates authorization logic using role-based testing and YAML-driven templates.
Hadrian is an open-source API security testing framework that detects OWASP API Top 10 vulnerabilities in REST, GraphQL, and gRPC APIs. It uses role-based authorization testing and YAML-driven templates to automatically find broken object-level authorization (BOLA), broken function-level authorization (BFLA), broken authentication, and other critical API security flaws — without writing custom test code.
Apple TV, Amazon Fire TV, Chromecast, Homatics, NVIDIA Shield, onn., Roku, Xiaomi Mi, and Android TV remote control card for Home Assistant.
Firemote is a custom Home Assistant card that is capable of controlling your media devices directly from any Home Assistant dashboard. The Firemote dashboard remotes are designed to look just like your physical remote controls, but they also contain TONS of customization options to choose from!
Haikei is a web-based design tool to generate unique SVG design assets for websites, social media, blog posts, desktop and mobile wallpapers, posters, and more!
Haiku is an open-source operating system that specifically targets personal computing. Inspired by BeOS, Haiku is fast and easy to learn but very powerful.
Hajimari is a beautiful & customizable browser startpage/dashboard with Kubernetes application discovery.
An embeddable, lightweight, secure, high-performance JavaScript engine.
Hako is a embeddable, lightweight, secure, high-performance JavaScript engine. It is a fork of PrimJS; Hako has full support for ES2019 and later ESNext features, and offers superior performance and a better development experience when compared to QuickJS.
The Open-Source Tool Democratizing Multi-Cloud Security Testing by Arpan Sarkar.
Multi-Cloud Security Testing Tool to execute a comprehensive array of attack techniques across multiple surfaces via a simple web interface.
Halberd is a powerful, multi-cloud security testing tool. Born out of the need for a unified, easy-to-use tool, Halberd enables you to proactively assess your cloud defenses by executing a comprehensive array of attack techniques across Entra ID, M365, Azure, and AWS. With its intuitive web interface, you can simulate real-world attacks, generate valuable telemetry, and validate your security controls with ease & speed.
A design skill that refuses to look AI-generated. Anti-AI-slop design skill for Claude Code, Cursor, and Codex.
Hallmark picks a macrostructure for the brief, dresses it in one of twenty themes, runs fifty-seven slop-test gates plus a pre-emit self-critique, and refuses the on-distribution defaults every LLM was trained into. Two pages by Hallmark for two different briefs feel like different sites, not colour-swaps of the same template.
Hallo is the simplest web editor imaginable. Instead of cluttered forms or toolbars, you edit your web content as it is. Just you, your web design, and your content.
Halloy is an open-source IRC client written in Rust, with the iced GUI library. It aims to provide a simple and fast client for Mac, Windows, and Linux platforms.
Terminal flow field screensaver with Perlin noise, Braille rendering, particles, and 24-bit ANSI color.
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Spécialisé analyse de sites et recherches de mots clés.
French SemRUSH alternative
Open, Device Virtualization, VGPU, Heterogeneous AI Computing.
HAMi (Heterogeneous AI Computing Virtualization Middleware) formerly known as k8s-vGPU-scheduler, is an 'all-in-one' chart designed to manage Heterogeneous AI Computing Devices in a k8s cluster. It can provide the ability to share Heterogeneous AI devices and provide resource isolation among tasks.
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Own your book, build your world. A story editor.
Free and open source. Works offline, on every device you own, and every chapter stays a plain text file on your own disk.
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A javascript library for multi-touch gestures
Ruby apps that grow with you
Hanami is a Ruby framework designed to keep your code organised and maintainable.
Separated concerns, explicit business logic, and modular architecture give you the foundation to build apps that remain a pleasure to work on even as they grow large.
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HandBrake Web is a program for interfacing with handbrake across multiple machines via a web browser. It consists of two components: the server and one or more worker(s).
Handmade Hero is an ongoing project to create a complete, professional-quality game accompanied by videos that explain every single line of its source code.
Hands-on MCP security lab: 10 real incidents reproduced with vulnerable/secure MCP servers, pytest regressions, and Claude/Cursor battle-tested exploit walkthroughs
speak into any text field.
A free, open source, and extensible speech-to-text application that works completely offline.
Handy is a cross-platform desktop application built with Tauri (Rust + React/TypeScript) that provides simple, privacy-focused speech transcription. Press a shortcut, speak, and have your words appear in any text field—all without sending your voice to the cloud.
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A gallery of hand-drawn arrows and other design resources as SVGs that can be easily copied as SVG code or React components for use in your projects.
Open Source Clerk Alternative. The complete Authentication and User Management solution for developers.
Hanko is a lightweight, open source user authentication solution that takes you on the journey beyond passwords.
Anti-scraper challenge for haproxy to stop naughty AI bots.
This is a simple anti-scraper solution for haproxy, using a similar "hashcash" challenge as anubis uses. The goal is to be as simple as possible, so this can be implemented alongside other haproxy rules to control traffic.
Claude Code Mobile Client. Mobile and Web client for Claude Code, with realtime voice, encryption and fully featured.
Spawn and control multiple Claude Codes in parallel. Happy Coder runs on your hardware, works from your phone and desktop, and costs nothing. Open source.
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Curated colors in context.
Not sure what colors to use in your designs or where to use them? Happy Hues is a color palette inspiration site that acts as a real world example as to how the colors could be used in your design projects.
A small self-hosted web UI to manage an HAProxy configuration, obtain Let's Encrypt certificates, and run an active-passive cluster with Keepalived on a shared virtual IP.
Write Notes at the speed of touch.
A new local-first, privacy-focused and open-source home for your markdown notes.
A fast, highly extensible, and event driven SMTP server. Haraka is a highly scalable node.js email server with a modular plugin architecture. Haraka can serve thousands of concurrent connections and deliver thousands of messages per second. Haraka and plugins are written in asynchronous JS and are very fast.
Our mission is to be the trusted cloud native repository for Kubernetes. Harbor is an open source registry that secures artifacts with policies and role-based access control, ensures images are scanned and free from vulnerabilities, and signs images as trusted. Harbor, a CNCF Graduated project, delivers compliance, performance, and interoperability to help you consistently and securely manage artifacts across cloud native compute platforms like Kubernetes and Docker.
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Securing containers, one scan at a time.
Harbor Guard is a comprehensive container security scanning platform that provides an intuitive web interface for managing and visualizing security assessments of Docker images.
Hardware Hacking Wiki.
The goal of HardBreak (https://www.hardbreak.wiki/) is to collect knowledge about Hardware Hacking / IoT hacking in one place. There are many great blogs about Hardware Hacking, but it is a rather unpleasant experience to search through multiple blogs in different formats to find the information you need. HardBreak aims to organize all information in one accessible and easy-to-use platform.
Social discovery for serious book lovers. Track every book, share them with the world (or don't) and find new life-changing reads.
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Secure infrastructure in minutes. Hardening Active Directory and Office 365.
Agentic Integrity Foundation for Coding Agents. Let the agents run.
Harden's custom cybersecurity models run on your devices, judge every action a coding agent is about to take, and stop the dangerous ones before they execute.
HardeningKitty and Windows Hardening settings and configurations.
This is a hardening checklist that can be used in private and business environments for hardening Windows 10. The checklist can be used for all Windows versions, but in Windows 10 Home the Group Policy Editor is not integrated and the adjustment must be done directly in the registry. For this, there is the HailMary mode from HardeningKitty.
Harden-Runner is a CI/CD security agent that works like an EDR for GitHub Actions runners. It monitors network egress, file integrity, and process activity on those runners, detecting threats in real-time.
HardenSysvol is an open-source tool developed by the HardenAD Community to complement Active Directory audit tools by analyzing GPOs and scripts on Sysvol folder. It is ready-to-use, easy to deploy, and requires no complex configurations (no elevated privileges or EDR deactivation needed).
Harden Windows Safely, Securely using Official Supported Microsoft methods and proper explanation | Always up-to-date and works with the latest build of Windows | Provides tools and Guides for Personal, Enterprise, Government and Military security level
Harden Windows Safely, Securely using Official Supported Microsoft methods and proper explanation | Always up-to-date and works with the latest build of Windows | Provides tools and Guides for Personal, Enterprise, Government and Military security levels | SLSA Level 3 Compliant for Secure Development and Build Process | Apps Available on MS Store✨
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Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software. Hardhat is an Ethereum development environment for professionals. It facilitates performing frequent tasks, such as running tests, automatically checking code for mistakes or interacting with a smart contract. Check out the plugin list to use it with your existing tools.
50+ Free Online Hardware Tests - Monitor, Mouse, Keyboard & Audio. Test every device in your setup. Fast, free, and online.
Professional-grade checks for displays, keyboards, mice, audio, controllers, gaming, and system performance. 50+ tools, all free in your browser.
A minimal dependency implementation of Apache Parquet.
A parser for the Apache Parquet file format, optimized for minimal dependencies and great performance.
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1000+ DevOps Bash Scripts - AWS, GCP, Kubernetes, Docker, CI/CD, APIs, SQL, PostgreSQL, MySQL, Hive, Impala, Kafka, Hadoop, Jenkins, GitHub, GitLab, BitBucket, Azure DevOps, TeamCity, Spotify, MP3, LDAP, Code/Build Linting, pkg mgmt for Linux, Mac, Python, Perl, Ruby, NodeJS, Golang, Advanced dotfiles: .bashrc, .vimrc, .gitconfig, .screenrc, tmux..
Fast, Advanced Systems Engineering, Automation, APIs, shorter CLIs, etc.