wger Workout Manager is a Web application that can manage your workouts, group them into schedules (A>B>C), and print them as PDFs. It helps you keep a log of the weights lifted in the different exercises as well as your own body weight and can also create and manage your diet plans.
OpenERP is a complete business application suite. It covers CRM, accounting (analytic and financial), production management (MRP), stock management, sales and purchases management, task automation, marketing campaigns, help desk, POS, and more. Technical features include a distributed server, flexible workflows, an object database, a dynamic GUI, an XML-RPC interface, and customizable reports.
ScrumDo is a Web application to manage your agile Scrum based projects. It gives you the tools to create and track user stories in your project. Some features include automatic burn-up charts, drag and drop iteration planning, the ability to export to Excel, edit your stories, and import your changes back in, a history tool to track where you've been, and a predictions tool for looking ahead. Multiple scrum teams are supported off a single backlog.