Rewind

Rewind efficiently and continuously records your Mac's screen so at any moment you can rewind to see an "instant replay" movie of the last 60 seconds of what was shown on screen.

DataLoader

DataLoader is a generic utility to be used as part of your application's data fetching layer to provide a consistent API over various key-value store backends and reduce requests to those back-ends via batching and caching.

Unicorn

Unicorn is a lightweight multi-platform, multi-architecture CPU emulator framework.

Adding edge swipe to SFSafariViewController

Subclass SFSafariViewController, add a view on the edge, and add a UIScreenEdgePanGestureRecognizer to it.

Aspects

Library for aspect oriented programming. Think of Aspects as method swizzling on steroids. It allows you to add code to existing methods per class or per instance, whilst thinking of the insertion point e.g. before/instead/after. Aspects automatically deals with calling super and is easier to use than regular method swizzling.

Flexbugs

A community-curated list of flexbox issues and cross-browser workarounds for them.