Raindrop.io - All your articles, photos, video & content from web & apps in one place.

DevDocs - Open source API documentation browser with instant fuzzy search, offline mode, keyboard shortcuts, and more

Tagpacker - A free tool to quickly collect, organize, and share your favorite links.

Zeal - Zeal is an API Documentation Browser.

Diigo - Diigo is a powerful research tool and a knowledge-sharing community

Loom - Loom is a screen recording extension for Chrome that gives people the ability to create and share media. Create your own videos using your camera, screen view, and audio. Read more about Loom.