Lean Canvas - Business plans take too long to write, are seldom updated, and almost never read by others but documenting your hypotheses is key. Lean Canvas solves this problem using a 1-page business model.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
HMTMAA - Clever tool to estimate cost of building an app
Website Checker Tech - WebsiteChecker.Tech is SaaS tool that detects SEO and availability issues of your website, making it easier for you to fix them.
Confirmic Cookie Widget - The only cookie solution designed with great UX in mind
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.