Dexter
I'm the creator of Dexter, a suite of software tools for the analysis of linguistic data. It's free software that helps you do detailed analyses of spoken or written texts. Feel free to try it out!
A random pic for you:
Gregory’s Writing Site
I have created a new website dedicated to improving learners’ writing in English: Gregory’s Writing Site. Feel free to take a look.
Reference Checker
If you write academic papers, feel free to try out my Reference Checker. It's an online tool for cross-checking all the references in a paper with the bibliography. It's very useful, and it's free!