Hygger - Hygger - is an Agile project management tool with built-in prioritization.
MarketPlan - Plan, execute, analyze & optimize your marketing
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Wobaka - Refreshingly Simple CRM And Email Automation
Validated ideas - List of 5,000 poorly executed but popular apps
CompanyHub CRM - Fully customizable Customer Relationship Management software for sales teams