PURL : PURLs are persistent URLs, they provide permanent addresses for resources on the web.
webhint : webhint is a linting tool that will help you with your site's accessibility, speed, security and more, by checking your code for best practices and co...
Phantomas : PhantomJS-based web performance metrics collector and monitoring tool
Seashells : Seashells lets you pipe output from command-line programs to the web in real-time, even without installing any new software on your machine. You can u...
Waybackpack is a command-line tool that lets you download the entire Wayback Machine archive for a given URL.