Instagram search of users, locations and hashtags with one click. Insta Search. Instagram Search
Inflact Instagram Search - Inflact Instagram Search is a web-based tool that enables you to search the IG profiles of users by their bio and name and use the provided filters for exact and instant results.
Yandex.Images - search for images on the internet, search by image
GramPages - Search Social Media Users
lingvist.info - News & Books
Searchy for Instagram - The great thing about Searchy for Instagram is that you have a world of hashtags at your fingertips
Image Search Options - Download Image Search Options for Firefox. Image Search Options provides a set of highly customizable reverse image search context menu options.