Multicolr Search Lab : We extracted the colors from 20 million Creative Commons images on Flickr to make the images searchable by color.
semgrep : semgrep is a tool for easily detecting and preventing bugs and anti-patterns in your codebase. It combines the convenience of grep with the correctnes...
Copyscape : Website Plagiarism Search - Web Site Content Copyright Protection
ack : ack is a tool like grep, optimized for programmers
Designed for programmers with large heterogeneous trees of source code, ack is written purely in po...
Squoosh : Squoosh is an image compression web app that allows you to dive into the advanced options provided by various image compressors.
TinEye is a reverse image search engine. It finds out where an image came from, how it is being used, if modified versions of the image exist, or if there is a higher resolution version.