Website Grader - Grade your website's strengths and weaknesses in seconds.
Treo - Treo is the page speed monitoring tool that helps your customers from obtaining a faster web experience.
Textalyzer - Analyze text readability and SEO parameters
strace - Trace system calls and signals. A diagnostic, debugging and instructional userspace utility.
Smaller - Make your websites load faster
Timber - Open source material design music player