IQDB!

SauceNAO is a reverse image search engine. The name 'SauceNAO' is derived from a slang form of "Need to know the source of this Now!" which has found common usage on image boards and other similar sites.

A useful Toolbox! Reverse image search with multiple engines + Extract images + Screenshot & Search

Picitup is the world leading visual data management provider. offering a wide range of products - visual search engine with similarity and exact features, automatic color extraction and automatic creation of visual catalogs

RevIMG is a reverse visual search engine. Traditional image search engine systems allow you to find images starting from a text, RevIMG works the opposite way: start the search from an image and returns you as result a list of links to web pages where the image or similar ones are contained. If you are a webmaster add to your site our reverse image search engine, RevIMG is optimized for pictures, paintings, flags, monuments, coats of arms and insignia, symbols, logos and many other images category. RevIMG mobile is a reverse visual search engine developed for mobile devices. Take a picture with the integrated camera of your mobile phone and search it with RevIMG mobile, you will get information about it. »

isk-daemon is an open source database server capable of adding content-based (visual) image searching to any image related website or software.

The NISE Image Search Engine is a reverse image search engine (like tineye.com) that is capable of indexing hundreds of millions of images and allow users to search for near-duplicate images.

Upload your own images or point to one on the web and we'll show you what it resembles.

Plaghunter.com is an Image Plagiarism Checker that gives you a report where your images are used in the internet.

Bingle goggles combines the power of Bing, Google, Yahoo & Facebook services into one app! The following poweful services: Bing Translation, Bing Language detection, Google OCR, Google Docs managing, Google Translation, Bing Search, Google Search, Yahoo Search, Bing Text-To-Speech and Facebook notes and posts services are integrated to work together into one application. We hope and we imagine that the application will be a further step of the original famous Google goggles application.

Safe Design is an iOS app for reverse image search, with portfolio like gallery of your photos/designs through urls, dates of last checks, customizable reminders, icon badges, search by name bar, share results, email urls of your collection.