It features real-time feedback allowing instant execution, debugging and access to documentation.

[7] The instant feedback provides an execution environment intended to help developing abstractions.

[8] The development team attempted to create a program which shows the programmer what the effects of their additions are in real-time, rather than requiring them to work out the effects as they write the code.

[8] The developers claim that the software can reduce programming time by up to 20%.

[8] It was financed by a Kickstarter fundraising campaign and subsequently backed by Y Combinator.