The localStorage read-only property of the window interface allows you to access a Storage object for the Document's origin; the stored data is saved across browser sessions.| MDN Web Docs
Cloud Firestore supports offline data persistence. This feature caches a copy| Firebase
GitX-dev is a fork (variant) of GitX, a long-defunct GUI for the git version-control system. It has been maintained and enhanced with productivity and friendliness oriented changes, with effort focused on making a first-class, maintainable tool for today's active developers.| rowanj.github.io
Things is the award-winning personal task manager that helps you plan your day, manage your projects, and make real progress toward your goals.| Things
Basic Branching| git-scm.com
Store your app’s data in iCloud and keep everything up to date across devices and on the web.| Apple Developer
I've had this nagging feeling that the computers I use today feel slower than the computers I used as a kid. As a rule, I don’t trust this kind of feeling because human perception has been shown to be unreliable in empirical studies, so I carried around a high-speed camera and measured the response latency of devices I’ve run into in the past few months. Here are the results:| danluu.com