Calculist: The open source thinking tool for problem solvers

If WorkFlowy and Excel had a baby, it would look something like Calculist. It's an open-source list-making tool with calculation ability that launched on Kickstarter a few days ago. I signed up for the Beta and it's pretty sweet.

From the Kickstarter page: What is Calculist? Calculist is a better way to manage information. It's an open-source web + desktop application designed to facilitate effective thinking. It's a powerful tool for processing both qualitative and quantitative information. Features Create lists, sublists, sub-sublists, sub-sub-sublists, etc. Expand and collapse lists Zoom in and out Easily move items around Calculate values using expressions, functions, and variables Define custom functions Command mode for fast, powerful editing and processing Import/export text, CSV, JSON, markdown Create re-usable templates for common lists Custom keyboard shortcuts for speedy navigation and processing LaTeX support for mathematical notation Share and collaborate with others Who is Calculist for? Calculist is for anyone who wants to manage information and solve problems more effectively. Whether you want to create a personal productivity system, organize your notes and ideas, plan projects, or manage your budget, you can do it with Calculist. The calculation features in particular may be of interest to anyone who deals with lots of quantitative information, like data analysts, mathematicians, teachers, students, accountants, and quantified-self enthusiasts.