Turn any topic into an immersive, multi-agent learning experience in one click. Open-source AI classroom platform by Tsinghua University.

Free AI diagram generator for STEM — turn text or a PDF into accurate, labeled science & math diagrams in seconds, then export a print-ready PNG.

CodeZym is a platform to practice company-wise Low Level Design (LLD) and DS & Algo interview round questions. It has interview round questions for all top tech companies like Google, Amazon, Uber, Microsoft and others. This makes it useful for final preparation when interviews are scheduled for a particular company.

LangPanda is a language learning platform built around immersion, helping learners acquire languages through YouTube, Netflix, movies, and other authentic content. With dual subtitles, one-click word translations, interactive sentence saving, and spaced repetition flashcards, it makes learning from real videos simple and effective. Progress syncs across web, Android, and iOS, and support for 36 languages makes LangPanda an excellent choice for beginners and advanced learners looking to improve vocabulary, listening, and real-world comprehension through engaging native content.

DemoBook is a catalog of real software demos cut into short, task-level clips. Watch the AI tools everyone's using actually work — by use case, product, or profession.

Toon Tone is a free daily browser game where you rebuild a famous cartoon character's exact color from memory using hue, saturation, and brightness sliders. Your guess is scored with CIEDE2000 color distance — the lower the score, the closer your color.