Buildertech
RubySketch PTY LTD
Rubysketch is a technology provider for the Design & Construction Industry. RubySketch provides Building Information Modeling (BIM) Software PlusSpec to Architects, designers, builders and estimators to improve efficiency. 
Ruibysketch also provides a free Library of components for all to download and utilize in design projects and estimation tools like PlusSpec. 
You can find out more at https://www.rubysketch.com/