iVCam - iVCam transforms your Mobile Phone / Pad into a webcam for Windows PC.
Website Grader - Grade your website's strengths and weaknesses in seconds.
Iriun Webcam - Use your phone's camera as a wireless webcam in your PC or Mac.
PageSpeed Ninja - One-click page speed boost for WordPress
Webeecam Free -USB Web Camera - Webeecam records video from a USB camera connected to Android phone/tablet.
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.