crocagile - Crocagile combines agile project management with collaboration tools you already know.
Ubersuggest - Want more traffic? Ubersuggest shows you how to win the game of SEO. Just type in a domain or a keyword to get started.
Leantime - Lean project management for startups & small teams
Keyword Explorer by Moz - Find the best keywords to improve your website's SEO traffic
Crowdfire - Crowdfire is a free and helpful social media management app that makes it easier to expand your online presence.
Keyword Surfer - Get search volumes & keyword data directly in Google.