EZwhois is described as 'Whois domain information such as registrar, domain status, expiration date, and name servers'. There are more than 25 alternatives to EZwhois for a variety of platforms, including Online / Web-based, Windows, Linux, Self-Hosted solutions and Mac. The best alternative is WebCargo. It's not free, so if you're looking for a free alternative, you could try JsonWhois.io or WhoisAPI. Other great apps like EZwhois are Domain Checker (Freemium), Whois (Free), Whoisology (Freemium) and ICANN WHOIS (Free).
Active Whois Browser is useful network information utility what allow finding information about owners of internet domains and IP adresses. Lookup country, persons and postal adresses of who use domain or IP address.
JsonWHOIS’s WHOIS Database Download is useful for fraud investigators who want to dig deeper into suspected misuse of trademarks and intellectual property infringement. With the database, they can quickly obtain a domain’s ownership information.
DomainHostingView is a utility for Windows that collects extensive information about a domain by using a series of DNS and WHOIS queries, and generates HTML report that can be displayed in any Web browser.