Landingfolio - The best landing page designs for your inspiration.
GetCompanyDetails.com - Check company details online. Be it a Public, Private, LLC, LLP, Partnership company, use GetCompanyDetails.com to find their full details registered with Registrar of Companies.
Landing Pages in MailChimp - Easy to build, custom landing pages for free
ORGS.co - Search millions of companies from all over the world. Reasearch on revenues, competitors, employees, growth now all in one place.
Landing Page Checklist - Build your landing page with these 100+ tools
Marvel Embeds - Embed interactive prototypes on any site (including Medium!)