Discover Technology Worth Knowing

Browse

• Open-source projects375 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.

• Projectharness-sdkStrands SDK helps teams build and run production AI agents in Python or TypeScript with any model and cloud, without writing a custom agent loop.
• ProjecttrailblazeTrailblaze lets coding agents drive real devices and web apps with natural-language steps, then saves sessions as replayable trails for CI tests. It keeps flows repeatable without LLMs at replay time.
• Projecte2eAn end-to-end testing framework for web and mobile apps. It lets you describe tests in natural language and verify app behavior through agent-driven actions and assertions.
• ProjectClone-WarsA curated list of open-source clones and alternatives for popular apps, with source code, demos, tutorials, and stack details for learning and reference.
• 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.

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

• How to use Claude Code with Serena and ccusage in 3 minutes · August 20, 2025
• The Rarely Known Fact: Using Google Service Account for M2M JWT Authentication and Authorization · March 20, 2025
• How to Judge if a Time Series Is a Martingale? Using the Black–Scholes Model as an Explanation · February 23, 2025
• A Beginner's Guide to Diffusion model · February 15, 2025

All posts