Instagress - Instagress is automation software for Instagram.
Knotable - Cut the noise out of busy email threads
Instagram Analytics by Socialinsider - Get better at Instagram marketing by studying competition
Scrapbox - A new style of note-taking that lets you create, discuss, and learn together in one self-organizing space.
YouLikeHits - YouLikeHits is an online service that brings results within seconds.
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.