freezeframe.js is a library that pauses animated .gifs and enables them to animate on mouse hover / mouse click / touch event, or with trigger / release functions. - ctrl-freaks/freezeframe.js

A collection of generative artworks by Heydon Pickering. Generate, calibrate, and download unique SVGs.

Habit tracker to help you form good habits

With Webhook.site, you instantly get a unique, random URL and e-mail address. Everything that's sent to these addresses are shown instantly. With this, you can test and debug Webhooks and HTTP requests, as well as create your own workflows using the Custom Actions graphical editor or WebhookScript, a simple scripting language, to transform, validate and process HTTP requests in a variety of ways – without setting up and maintaining your own infrastructure.

Level up your programming skills with 3,362 exercises across 50 languages, and insightful discussion with our dedicated team of welcoming mentors. Exercism is 100% free forever.

Free Bootstrap 4 UI Kit featuring over 80 components including and 4 example pages. Check the live demo and join over 8564 developers using our products.

Rollbar provides real-time error alerting & debugging tools for developers. Ruby, Python, PHP, Node.js, JavaScript, Android, iOS & more languages supported.

Raygun gives you a window into how users are really experiencing your software applications. Detect, diagnose and resolve issues that are affecting end users with greater speed and accuracy.

Discover tech startups and find your next favourite product, every day. Submit your product for free.

WICKEDBLOCKS are a growing collection of more than 120 layout blocks and components built with Tailwind CSS V2 ready to copy-paste on your Tailwind project.

Pleroma is social networking software compatible with other Fediverse software such as Misskey, Pixelfed, Mastodon and many others.

Powerful and flexible open-source Enterprise Web Crawler. Crawl the web and store collected content into your search engine, database, or other repository (e.g., Apache Solr, Elasticsearch, Neo4j, IDOL, ...).

? Embetty displays remote content like tweets or YouTube videos without compromising your privacy. - heiseonline/embetty

Omni Calculator solves 781 problems anywhere from finance and business to health. It’s so fast and easy you won’t want to do the math again!

Scientific article which suggests that quantum particles are "linked" together by proving that one branch of a split beam of photons is affected by filters which are only applied to another independent branch.

Library to correctly determine referral details for websites