InTouchApp Firefox Extension - Save contacts & data from websites to your phone
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Mustbin - Everything in one place. Whenever you need it.
Tagpacker - A free tool to quickly collect, organize, and share your favorite links.
GPT SidePanel - 5x your productivity with personalized prompts
Diigo - Diigo is a powerful research tool and a knowledge-sharing community