Open Source

Browse open source products and tools

Open Source

GitNoir

The idea is simple: instead of learning Git through tutorials or documentation, you investigate a mystery and use Git commands to uncover clues. Things like checking commit history, switching branches, and exploring changes become part of solving the case.The goal is to make learning Git more interactive and fun, especially for people who find it difficult to grasp through traditional guides.

Education Tech Open Source

AgentSkills

AgentSkills is a curated directory that helps you discover and deploy community-built skills for AI agents. Powered by AI search, the platform organizes skills by use cases, industry leaders, or community trends, making it easy to find exactly what your agent needs. Each skill follows a standard SKILL.md format and is ready to deploy, enabling your agents to complete tasks more accurately and efficiently.The directory tracks agent skill growth over time and highlights trending skills with weekly install counts. Popular skills include tools for discovering other skills, optimizing React code, reviewing UI design, automating browsers, and creating production-grade frontends. With contributions from organizations like Vercel, Anthropic, and Microsoft, the library continues to expand rapidly.AgentSkills is sponsored by StartupDirs.com, and you can sign in to personalize your experience. Explore the trending list to see which skills are gaining traction this week.

Artificial Intelligence Developer Tools

ZeroGTM

ZeroGTM is an open-source AI SDR agent that replaces your entire sales stack. It runs a 5-step enrichment pipeline — Google Maps scraping, contact mining, AI-powered decision maker identification, email verification, and data sanitization. How to improve email deliverability for cold outreach? Better deliverability starts before you hit send — ZeroGTM pre-verifies every email address and ensures you're contacting the actual decision maker. MIT licensed, self-hostable with BYOK model. Free tier with 100 credits/month.

Artificial Intelligence Open Source

shadcn/studio

🚀 Shadcn Studio: The Ultimate AI-powered UI Toolkit for Faster Development!We’re excited to launch Shadcn Studio on Product Hunt! Whether you’re a designer or developer, Shadcn Studio helps you create beautiful, responsive UIs faster, smarter, and more efficiently.

Design Tools Open Source

A Deal Sweden AB

A Deal Sweden hjälper dig att hitta aktuella rabattkoder, deals och erbjudanden från svenska butiker. Sedan 2021 har vi handgranskat och levererat tusentals koder till våra läsare – alltid utan fejk-koder och onödigt brus. Vår kostnadsfria tjänst visar dagens alla aktiva rabattkoder, reor och erbjudanden. Du kan söka efter butik eller kategori, och kopiera koden direkt till kassan. För dig som vill ha koll på fynden utan att själv sålla erbjuder vi Premium. Med fem filterdimensioner – butik, kategori, rabattnivå, typ och kanal – får du endast de deals som matchar dina intressen. Välj att få notiser i realtid via push, Telegram eller e-post. Premium kostar 29 kr/mån efter en gratis provperiod på 21 dagar, utan bindningstid. Oavsett om du letar efter vardagsfynd, gör research inför stora shoppingdagar eller bara vill slippa reklambruset – Adealsweden är din rabattredaktion i Sverige.

Marketing Tools Mobile Development

HiCyou

Hi Cyou makes your directory smarter! This modern open-source platform is powered by AI to auto-categorize sites and generate content, with built-in semantic search for pinpoint discovery. User submissions are auto-verified via backlink checks, saving you time. Built with Next.js 14 and Tailwind, it’s fast, easy to deploy, and fully customizable—perfect for SaaS founders and developers to discover or showcase tools. Open source, self-hostable, and commercially usable—it’s your smart directory.

Marketing Tools Open Source

Vezlo AI SDK

Vezlo is an open-source AI Assistant SDK for SaaS applications. It transforms your codebase into an intelligent knowledge base with auto-generated documentation, semantic search, and a production-ready API server.Key Features:- Deep AST-based source code analysis (JS, TS, Python, Go, Rust)- Semantic knowledge base generation and instant code search- REST & WebSocket APIs with real-time chat and feedback- One-click Vercel deployment and self-hosting options- 100% open source under AGPL-3.0 licenseBuild, deploy, and scale AI assistants that truly understand your application.

Developer Tools Open Source

Energy Calculator

EnergyCalculator.blog is a comprehensive online hub created for anyone who wants clear, accurate, and easy to use tools for understanding energy, electricity, and solar calculations. Whether you are a student, engineer, homeowner, researcher, or simply someone curious about power usage, the website offers a full collection of calculators that turn complex formulas into simple, practical results.The platform focuses on delivering instant, reliable calculations without requiring technical knowledge. From estimating electricity consumption to sizing solar panels, converting volts, amps, watts, or determining battery backup time, every tool is designed to help users save time and make informed decisions. Each calculator follows standard international formulas, making the website useful for people in every country regardless of their local electricity system or tariff.One of the main strengths of EnergyCalculator.blog is its versatility. Users can calculate appliance power usage, evaluate monthly energy costs, check inverter requirements, convert units across electrical and solar categories, and explore detailed breakdowns that explain how each formula works. These tools help users understand what affects energy consumption, how to optimize usage, and how to design more efficient electrical or solar setups.The platform also serves as an educational resource. Every tool includes explanations, step by step methods, and helpful notes that make technical topics easy for beginners while still being accurate enough for professionals. Whether someone is learning about energy systems for the first time or creating a small solar project, the site provides both the tools and the knowledge they need.EnergyCalculator.blog is built to be fast, responsive, and accessible worldwide. No signup is required, and all tools are completely free to use. Overall, the platform empowers global users to manage their electricity use smarter, plan energy efficient solutions, and understand the technical side of power, all in a simple, user friendly environment.

Education Tech Green Tech

Puck

The drag-and-drop visual editor you can embed in any React application. It's MIT licensed, fully customizable, uses your own components, and saves your data wherever you want. No fees, no limits, no vendor lock-in.

CMS & No-Code Developer Tools

Free OG Image Generator

[myogimage.com](https://myogimage.com/) is a free and user-friendly online tool designed to help users quickly and easily create eye-catching Open Graph (OG) images, blog cover images, and Twitter/X header images. No registration or login is required to access its full range of features.## Core Features & Advantagesmyogimage.com offers a rich set of features that make creating social media images simple and efficient:* Completely Free, No Sign-up Needed: Users can visit the website and start creating immediately without any account or fees.* Multi-Platform Support: Not only can it generate standard OG images, but it also supports creating specifically sized header images for platforms like Twitter/X.* Professional Templates: Offers a variety of professionally designed templates to suit different needs.* Advanced Customization: * Backgrounds: Set solid or gradient backgrounds (with adjustable direction) and add a grid overlay (with adjustable opacity). * Content: Customize text, upload logos, or other image assets. * Element Adjustments: Allows users to tweak the properties of various template elements.* Flexible Export Options: Supports exporting generated images as PNG (recommended), JPEG, or WebP, balancing image quality and file size.* Instant Preview: A WYSIWYG (What You See Is What You Get) interface allows users to see changes in real-time as they design.* Modern Design Features: Provides quality typography options and visual effects to help users create contemporary-looking images.* Fast and Efficient: An intuitive interface and optimized workflow enable users to complete image creation in seconds.* Practical Guides: The website also provides detailed steps and code examples for adding Open Graph images to HTML and Next.js (App Router) projects, along with professional tips for optimizing OG images.## How to UseUsing myogimage.com is incredibly simple:1. Visit the Website: Go to [myogimage.com](https://myogimage.com/).2. Choose a Template: Pick a template from the available options to get started.3. Customize Your Design: * Edit text content. * Upload your logo or other relevant images. * Adjust background colors, gradient directions, grid overlays, and more. * Tweak other template elements as needed.4. Preview Your Creation: See a live preview of your image in the right-hand panel.5. Save Your Image: Select your desired format (PNG, JPEG, or WebP) and download the image.## Why Choose myogimage.com?myogimage.com is an invaluable tool for developers, marketers, bloggers, and content creators who need to generate social media preview images for their websites, blog posts, or any online content. It addresses the common challenges of manual design or using complex software for OG images. It provides a quick, free, and effective solution that helps enhance the visual appeal and click-through rates of content shared on social media.In summary, with its straightforward operation, comprehensive features, and completely free access, myogimage.com is a highly recommended tool for generating OG images.

Design Tools Developer Tools

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