Meta Tags - Meta Tags is a tool to debug and generate meta tag code for any website.
Zoho Meeting - Free video conferencing, online meeting, desktop sharing solution from Zoho.
Devhints - TL;DR for developer documentation
Airtime - Hang out with group video, share music & videos
OpenGraph.xyz - Check how search engines and social medias such as Google, Facebook, Twitter display your website
Voxox CloudPhone - Get a local or toll-free business number that automatically answers, routes and transfers calls, plus other professional business phone services.