Discover Technology Worth Knowing

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• Open-source projects439 open-source projects, newest first. Each has a plain-language summary and a link to the original.
• Useful tools and websites34 tools and websites worth bookmarking. Each page explains what it is, why it helps and who it is for.

New finds

The most recent additions to the collection.

• Projectrutisrutis is a plugin runtime for long-running programs. It lets plugins declare dependencies so services start, stop, reload, and clean up across Rust, TypeScript, Python, and machines.
• Projecty2a-autoY2A-Auto automates moving YouTube videos to AcFun or bilibili, including subtitles, review, and upload. Use its web dashboard to manage tasks and monitor channels or search terms.
• Projectguia-entrevistas-de-programacionA Spanish-language guide for software engineering technical interviews, published as a browsable website. It brings together topics and references for interview preparation and reviewing core engineering concepts.
• ProjectopengymSelf-hosted gym and body-weight tracking for planning routines and logging workouts on your own server. It suits people who want private training records with passkey sign-in and local control.
• ToolArchive.todayA web archiving service that takes a snapshot of a page you submit and stores both a text copy and an image copy. Each snapshot gets a short link that stays online.
• ToolScreenshot GuruAn online tool that captures a screenshot of any public web page as a high-resolution PNG. It handles long pages that extend below the fold, and it also works for tweets.
• ToolJust the RecipeA tool that takes a recipe page and shows only the ingredients and instructions. It removes the life story, popups and other clutter that surround recipes on many sites.
• ToolFutureMeA site where you write a letter, pick a delivery date and have it emailed to you later. It also offers public letters to read and prompts if you need ideas.
• LinkThe Simple Idea Behind Physics’ Most Terrifying EquationA short explainer on the idea behind one of physics' most feared equations.

Categories

How it works

1. 1

   Discover

   Interesting projects and tools are picked by hand as they turn up.

2. 2

   Filter

   Only things worth a second look are kept.

3. 3

   Understand

   Each entry gets a short explanation in English, Japanese and Chinese.

4. 4

   Organize

   Entries are grouped by topic so you can browse by what you need.

5. 5

   Maintain

   Projects are checked against their originals every day, and new additions are explained as they arrive.

Latest deep dives

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• A Beginner's Guide to Diffusion model · February 15, 2025

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