NameCheckup Alternatives

NameCheckup is described as 'search tool for available usernames and domains across numerous social networks and popular websites with millions of users. Find available social media handler for your startup, personal brand, business'. There are more than 10 alternatives to NameCheckup, not only websites but also apps for a variety of platforms, including Self-Hosted solutions, SaaS, Chrome Web Store and iPhone. The best alternative is Instant Username Search, which is both free and Open Source. Other great sites and apps similar to NameCheckup are DomainTools (Freemium), name|grep (Free), Namechk (Free) and CubDomain (Free).