Turnitin - Turnitin is preferred by educational institutions around the world for preventing plagiarism. Instructors at all levels of education can request that students use the service to submit papers, and Turnitin checks those papers for plagiarism.

4thewords - Write more, have fun. We’re a writing software that blends productivity and game mechanics so you can defeat writer's block and build a consistent writing habit! (We’re like a gym, built by writers, for writers)

PlagiarismSearch - PlagiarismSearch is online service that detects plagiarized content.

The Most Dangerous Writing App - If you stop typing, all progress is lost.

Unicheck - The plagiarism checker Unplag scans across the internet, repositories, open sources content and databases. It delivers real-time results and has no cached data.

Write or Die - Write or Die is an application for Windows, Mac and Linux which aims to eliminate writer's...