Cool Tech

WhatCable explains cable speed, charging limits, e-marker data, and connected devices in plain English. No more guessing why a cable charges slow or refuses to drive your display. Your drawer is full of identical-looking cables. Some charge at full speed, some crawl. Some carry video, some can barely handle a […]

Extract Mastodon Decentralized Social Media,include followers,following,likers/favourites,reblog/retweet,save all data to CSV file. Scrape and export the Mastodon.social Decentralized Social Leads into CSV. 🔥 FEATURES ✓ One click to extract Mastodon.social data to CSV file ✓ Support user's followers and following, post's replies / comments, post's likers and post's reblogs / retweet. […]

In short, the U.S. government produces estimates of the share of people born in year X who will still be alive in year Y. It also produces data on how many babies with a given name are born in each year. By combining these two datasets, we can estimate how […]

A browser-based video editor powered by ffmpeg.wasm. No uploads, no servers — all processing happens locally in your browser using WebAssembly. No Server Uploads — All video processing happens entirely on your device ✅ 30+ Video Operations — GIF creation, format conversion, compression, trimming, effects, filters, and more ✅ Offline-First […]

Despite the countless number of online resources (even CSS-Tricks has a full guide on it), it’s easy to get confused when trying to center an element, whether vertically, horizontally, or both). I am sure you will find something that works by googling or trying different combinations. But do you really […]

An interactive guide to understanding AI from first principles. The genesis of this tutorial is that I wanted my 11 year old son Isaac to understand how modern AI works. I looked at existing tutorials, but all the ones I could find were either too hand-wavey, required a level of […]

The Robert B. Davis Institute for Learning Collection of 300+ videos (100+ hours) consists of observational videos of students learning mathematical concepts. The videos were captured through a series of research projects studying the same student sample, from first grade through high school, 1992 to the present. The collection consists […]

Charts are a window into the world. When done right, we gain an understanding of who we are, where we are, and how we can become better versions of ourselves. However, when done wrong, in the absence of truth, charts can be harmful. This is a guide to protect ourselves […]

The Extrapolated Futures Archive is a reverse-lookup for speculative fiction. Describe a situation you are facing, and find the SF stories that already worked through the implications. The catalog connects stories (novels, novellas, short stories, films) to the speculative ideas they explore: thought experiments about technology, governance, biology, society, and […]

Your links. Your identity. Your network. The decentralized link-in-bio that connects to the Fediverse. Share links, collect badges, and own your online presence — no corporation in the middle.

How retro future fun is this! Create an old school style mixtape in your browser! This could be peak cooltech. h/t https://stefanbohacek.online/@stefan/116535125056618624

This tool allows you to generate a direct download link to files you have stored in Google Drive. A direct link will immediately start downloading the file, rather than opening a preview of the file in Google Drive.

Wanderer is a decentralized, self-hosted trail database. You can upload your recorded GPS tracks or create new ones and add various metadata to build an easily searchable catalogue. See example of an instance https://trails.mapper.space/ h/t https://mapstodon.space/@jeremy/116533103104373161

D'Arcy Claude Norman has created a slick and powerful version of Jamboard. Get yer jelly on! Read more https://darcynorman.net/2026/05/04/introducing-jellyboard-a-collaborative-sticky-note-board-for-workshops/

Open Source Wishlist is an independent, grassroots community of practitioners connecting to drive impact through sustainability, openness in AI, digital sovereignty, and beyond, while supporting each other along the way. We support each other through workshops, events, and practical tools like wishlists, where maintainers express needs and the community helps […]

tells time using numbers found on NYC streets through Google Street View h/t https://researchbuzz.masto.host/@researchbuzz/116506663311507347

The internet moves fast. They were on our desktops one day, the next their servers were dark, their domains squatted, their icons gone from our trays. Some died of mismanagement, some of acquisition, some of irrelevance. Some are technically still alive, but their soul left a long time ago. This […]

The net.art generator automatically produces net.art on demand. nag_05-this version of the net.art generator creates images. The resulting image emerges as a collage of a number of images which have been collected on the WWW in relation to the 'title' you have chosen. The original material is processed in 12-14 […]

Learning programming skills can be lonely, and it often feels like there’s so much you need to know to call yourself a programmer. Carmen, Eda and Jess have taught over 75,000 learners via our free programming bootcamps* and are really excited to be launching a new social learning project where […]

Smultron has all the text tools you need. Smultron is a powerful text editor that is easy to use. It is fast, elegant, and comfortable for everyday writing or serious code. Works just as well for small and large projects. Write anything from a quick note to a full app, […]