1) DomainTyper Link : https://domaintyper.com/
Domain Hack generator + AJAX domain availability checker
Social-Media Name availability checker
2) Tld-List Link: https://tld-list.com/
Cheapest TLD(Top Level Domain) of the Internet (Also could be used for checking cheapest renewal price)
(Note- You need to sort the list by “Cheapest Registrar” or “Cheapest Renewal”)
If you want to list all cheapest domain registrar or renewal for a particular TLD, say .com
Then go to https://tld-list.com/tld/com
(Note- replace /com with /net for .net domain )
3) DomComp Link: https://www.domcomp.com/
Cheapest new registration & renewal price for TLD(Top Level Domain) across all registrars
There are many more useful tools, but I used above three for most cases.
Hope you find this useful.
Do share, if you know some similar services. 😀