Browserling : Live interactive cross-browser testing
mail-tester.com : Free online service that allows you to test your emails for Spam, Malformed Content and Mail Server Configuration problems
TruffleHog : TruffleHog is an open-source SAST (static application security testing) tool for detecting secrets in various sources. While GitHub and GitLab reposit...
PhantomJS : PhantomJS is a headless WebKit with JavaScript API. It has fast and native support for various web standards: DOM handling, CSS selector, JSON, Canvas...
Locust : A modern load testing framework
Define user behaviour with Python code, and swarm your system with millions of simultaneous users.
Test and track your emails. Email previews, analytics and spam filter testing.