iSpring Free - iSpring Free is a free eLearning authoring tool that allows you to create responsive courses and quizzes right in PowerPoint and convert them to HTML5 or SCORM.
Invoca - Call tracking & analytics software
Open Elearning - Free and open source software for editing courses and educational games easily.
CallTrackingMetrics - Know who is calling and how they found you. Maximize the return on your advertising.
Slidego - At SlideGo we regard presentation software like Powerpoint as a universal authoring tool.
Marchex - Marchex is a mobile advertising analytics company that connects online behavior to real-world, offline actions.