Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Esti-Mate Software Version 4.5 - Esti-Mate Software is a program for residential construction building that converts takeoff dimensions from blueprints to an itemized list of waste factored delivery order quantities.
Remember The Milk - Remember The Milk is a task and time management application for mobile devices.
Assemble Insight - Construction Estimating Software and BIM and Architectural Design Software
Org mode - Org: an Emacs Mode for Notes, Planning, and Authoring