Here we will list some popular domain software for bulk domain scanning, whois, typo generation, and more.
Domain Research Tool - This tool was created to find domains with type-in visitors, search engine traffic, backlinks, PageRank, Alexa™ rank, whois details and more. It can also auto-appraise domains using user specified formulas, send bulk automated offer e-mails, track your current auctions, monitor important domains, filter incredibly large domain lists and zone files and much, much more. All with full multiple proxy support. It costs $149.95, check out the site for more information.
Domain Name Analyzer (or DNAZ) is a Windows-based bulk whois scanning application released by Idotz which covers numerous extensions by default. It is easy to add new extensions if you look up their whois server.
Domain Name Finder - This software allows you to search all two, three and four character possibilities and more! You can search all common dictionary words, and load your own dictionaries using the custom file generator! Not only that but search in the popular extensions, such as .COM, .NET, .ORG, .BIZ, .INFO, .US, .CC .TV, .EU, .IN,.CN,.AM, and now .MOBI! Costs $49.99, free demo is available. Check out the site for more information.