OpenBook is a study and research helper. You add your own PDFs, articles, and videos, then chat with them like a patient tutor. Answers point back to the exact place in your material, so you are not guessing whether something is made up. It can also turn what you uploaded into flashcards, quizzes, mind maps, and podcast-style conversations between two voices that you can jump into anytime.

Kikoyu is software other developers use to add capable assistants to their products. It helps an assistant remember earlier parts of a conversation, follow clear safety rules, and hand a task to another specialized assistant when that makes sense. The goal is assistants that feel steady and predictable in real apps, not one-off demos.

Pollution Pulse helps you get from A to B while breathing a little easier. You enter where you are going, and it compares several routes using up-to-date air pollution readings. It then suggests the option that keeps you away from the worst smog when you walk, cycle, or drive—especially useful on hazy days in busy cities.

SplitX is for people who want a clean carousel post without manual cropping in an editor. Upload one wide picture, pick how many slides you want, and download images that line up edge-to-edge when viewers swipe—handy for infographics, event photos, or before-and-after shots.