JavaScript Code Style checker - JSCS has merged with ESLint!

The Nu Html Checker

Plagiarism checker - project implemented by students of Cracow University of Technology.

The Mobile Checker is a tool for Web developers who want to make their Web page or Web app work better on mobile devices.

A document checker. RedPen automates the quality inspection of technical documents.

ikea product in-store availability checker

Code style checker for the alcs

Cisco OSPF Checker

A rack-middleware health checker

TM checker

CSS Code Style checker