Website Grader - Grade your website's strengths and weaknesses in seconds.
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
PageSpeed Ninja - One-click page speed boost for WordPress
XSplit - Live stream and record your content with ease & share it to streaming services like Twitch, YouTube, Facebook, Mixer, etc. Start your broadcast today.
Checkbot - Checkbot will boost the SEO, speed and security of your site by checking you're following 50+ web best practices. Browser extension with free and paid plans.
Camtasia - Camtasia 2018 makes it easy to record your screen and create polished, professional-looking videos.