Web

PrepGo offers AP exam study guides, flashcards, quizzes, and full-length practice exams organized by topic.

Free Icons collects more than 100,000 open-source icons for download and use in commercial projects.

Kryptos combines crypto portfolio tracking and tax filing with tools to build financial products across 5,500+ integrations.

Vimeo provides tools to create, manage, and share videos for individuals, businesses, and creative teams.

Last.fm Iceberg generates an iceberg chart from a user's most-played artists on Last.fm.

Pattern Monster generates repeatable SVG patterns for website backgrounds, apparel, branding, and packaging.

Research a website’s age and track its changes with URL Dater, which combines information from multiple sources.

iO-808 recreates a TR-808 drum machine in a web app built with React, Redux, and the Web Audio API.

Capes lets Minecraft players use capes from OptiFine, LabyMod, and other cape mods.

Gutenberg Open Science is Johannes Gutenberg University Mainz’s repository for open science publications, including dissertations and recent submissions.

Spot SponsorBlock is a crowdsourced browser extension that skips sponsor segments in Spotify podcasts.

Posteo provides ad-free email, calendars, and address books with synchronization, encryption, and paid accounts starting at one euro per month.

pygal provides Python tools for creating charts and visualizing data in applications.

Pro Image Tool offers browser utilities for resizing and converting images, along with PDF management tools.

LikeSearch searches a user’s liked YouTube videos to help locate previously saved clips.

Helix Chamber is a Pokémon fan group focused on uncovering, restoring, and preserving information about the series.

LoL Tracker records League of Legends team performance across Flex, Ranked 5v5, and scrims, with match history and champion pools.

The Bulgarian newspaper Duma is moving to an online publication, with news and editorial content.

iOS Icon Gallery showcases icon designs from apps in the iOS App Store.

FloobyNooby teaches storyboarding and visual storytelling, with lessons on cinematography and story artist techniques.

YouTube Party lets people watch YouTube videos together through an online viewing room.

OpenBubbles brings iMessage-style blue bubble chat to Android devices.

PackCrafter edits Minecraft resource packs in a browser without requiring an account.

Xinjiang Agricultural University provides online services, VPN access, and public information about its university charter.