Learn how to design systems at scale and prepare for system design interviews

OpenRefine is a powerful tool for working with messy data: cleaning it; transforming it from one format into another; and extending it with web services and external data. Project development, documentation and promotion is now fully supported by volunteers.

Habo is a free, open-source habit-tracking app designed with simplicity in mind. With a clean and intuitive interface, Habo helps you focus on building better habits without unnecessary distractions.

Documenso is a digital signing platform and DocuSign alternative. Host it yourself or let us handle it. Documenso seamlessly integrates into your business with extensive customization options and an open API. Beautifully simple signing. Phenomenally open.

Open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server.

Sandstorm is an open-source platform that allows users to self-host web-based productivity apps securely. It provides a user-friendly interface for installing and managing apps, with automatic updates and unified access control. Sandstorm containerizes each app or document in it…

The Diagram app is a collection of AI-powered design tools that aim to unleash creativity and assist designers in their workflow. It offers several features and functionalities to enhance the design process.

Monica is an open-source personal CRM - or Personal Relationship Management system.

Create ATS-optimized resumes and cover letters with ease Majorgen empowers you to generate top-notch, ResumAI-driven resumes and cover letters in mere seconds, harnessing the full potential of AI for your job search success.

MySQL for Developers is a free 64 lesson video course that we created for developers who want to strengthen their MySQL and database skills in a way that’s relevant to their everyday work: application development.

DamnGood.Tools is a set of productivity tools, not necessarily AI-based. You can detect fonts for any, quickly render screenshots of your site in many dimensions, chat with any PDF file, and more.

Keep makes it easy to consolidate all your alerts into a single pane of glass and to orchestrate workflows to automate your end-to-end processes. Think of Keep like GitHub Actions for monitoring tools / Datadog Workflow Automation for any monitoring tool.

FAIR (Facebook AI Research) built and open-sourced a state-of-the-art AI model that now translates between 200 different languages. The code and models are made available today as part of the Fairseq package.

Easily make changes to any website's design and try your ideas in seconds with a visual editor that generates code for you. Say goodbye to coding and hello to speed, joy, and stunning designs in just a few clicks.

Vrite is an open-source, collaborative space to create, manage, and deploy all kinds of technical content - from product documentation to technical blogs, and knowledge bases.

Discover how easy data can be - through code snippets and a strongly typed SDK, branching with zero downtime migrations, a powerful search engine and fast analytics.

Godly is your daily dose of the best web design inspiration. From e-commerce to animation, we curate the most godly designs from all over the internet. It's like having the universe of web design in your pocket!

The A5 notebook size integrates complete PC functions with a retro-futurism design, a 6.8-inch ultra-wide screen, classic QWERTY keyboard, necessary interfaces, high-speed wireless, long battery life, and even includes a practical thermal printer.

• AI generate & iterate on UI components, with live preview • React + Tailwind + shadcn/ui components + lucide icons • Open-source • Project inspired by vercel's v0.dev (which, at time of writing, is still on private waitlisted alpha)

FreeTinyTools provides free online conversion, Text Tools, Image Processing, Online Calculators, Unit converters Tools, Binary Converter Tools Website Management Tools, Development Tools, and other handy tools to help you solve problems of all types.