transforming media into collaborative spaces with video, voice, and text commenting.

create free educational games and tools for the school classroom

Practice speaking English with AI-powered Chattybots.

personal website of gwern branwen (writer, self-experimenter, and programmer): topics: psychology, statistics, technology, deep learning, anime. this index page is a categorized list of gwern.net pages.

create, edit, and share videos with our free video maker. combine your photos, video clips, and music to make quality videos in minutes. get started free!

Welcome to Prezi, the presentation software that helps you stand out, bring your ideas to life, and create interactive presentations easier than ever.