screamingfrog

Backed by the largest community of SEOs on the planet, Moz builds tools that make SEO, inbound marketing, link building, and content marketing easy. Start your free 30-day trial today!

Mangools is a bundle of 5 simple but powerful SEO tools made for an effective SEO workflow. Loved by beginners, trusted by professionals. Try it for free!

BuzzStream is web-based software that helps the world’s best marketers promote their products, services and content to build links, buzz, and brands.

Google

Get more calls to your business, visits to your website, or foot traffic to your store. Use Google Ads (formerly Google AdWords) to grow your business.

I have been a Web Developer and PPC marketer for more than 15 years, and iSpionage is probably the most reliable competitor research tool I have ever used.