I should highlight here that, much like all website builders, SITE123 is not without cons. It’s a simple and intuitive website builder, but it is more suited to building basic websites. If you use only the free options, you won’t be able to create anything but a simple personal website with SITE123. Meanwhile, its free plan has no duration constraints, but limits storage space to 500MB and bandwidth to 1GB.
The reasons for going with NameCheap are simple, they are cheaper than GoDaddy and other domain name registrars, they are well known and have been in the business since 2001, their support is amazing and fast, and they offer FREE Whois privacy for every domain name registered through them and their renewal prices are also low beating GoDaddy and the rest of the registrars.
Dot-O-Mator performs exactly like the previous one. So you add your prefix and suffix choices and combine them to get probable names, select some (or all of them) from the combination to check their availability using Dotster. One added advantage for this tool is that you can use the Web 2.0 Domain name Generator to get random suggestions for domain names. 8 Rules for Choosing a Domain Name - Whiteboard Friday