Skip the hype. Find AI software for your next project.

Learn languages with dual subtitles and a hover dictionary in any video

Free hands-on AI, machine learning and data science training

Generate a complete course on any subject, then learn it 10x faster with AI.

Learn Italian through audio courses, bilingual readings and an AI conversation tutor

AI reading and math teacher that adapts to your child in real time

Learn AI by building, with a global community of makers

Adaptive interview prep and mentorship for experienced software engineers

AI code review, PR triage, and security monitoring for fast-moving teams

Learn 17 languages through real conversations, with unlimited free lessons and an AI chat tutor

Turn any topic or PDF into a full AI-built course

AI-native offensive security: continuous red teaming, white-box pentests, and PR review

Learn French, Spanish and more with audio courses, spaced-repetition flashcards and AI reviews

Master Italian conversations with an adaptive AI tutor and speech-first audio courses

Unlimited spoken language practice with AI teachers you can actually follow

Always-on AI agents that run 24/7 in the cloud

Turn company knowledge into AI-built courses, practice, and tutoring

Execution-backed code review that runs real API, UI and security tests on every pull request

Enterprise language fluency training powered by VR, AI avatars and expert coaches

花叔's hands-on AI learning guide for ChatGPT, Cursor, Claude Code and DeepSeek

Turn your existing training content into measurable skills

Turn screen recordings into product videos, guides and customer training

Augment your workforce with AI-powered training, practice and performance analytics

Free practical lessons, articles and a course on prompt engineering and AI agents

Online courses in AI, cybersecurity and ethical hacking