Pocket - When you find something you want to view later, put it in Pocket.

Lurchr - Saves all your Slack links, so you can focus on work

Keep Everything - Light & Fast Web Archiver for iOS, OS X.

Slack News Feed - Get the top posts from every Slack chat you're in.

Taggy - App for fast saving anything without losing focus

Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.