UnderMRKT - UnderMRKT is a popular platform that provides instant notification about new and accurate eBay listing items.
Domain-Monitor.io - Looking for the complete domain and website uptime monitoring solution? Domain Monitor keeps an eye on your website, cron, SSL and domain name 24/7 and will alert you through Email, SMS and web when something stops working.
BayGenie - eBay auction sniping service.
DomainMOD - DomainMOD is an open source application written in PHP & MySQL used to manage your domains and other internet assets.
uBuyFirst - Advanced eBay buying software finds newly listed "Buy-It-Now" items first!
Domainer - Manage All Your Domains and Websites