regarding the name, I got hung up on the description as a 'canvas' -- seems like leaves open to misinterpretation about what this is, opens confusion with html 'drawing' canvas etc. Suggest maybe utilizing something more about 'visual interface', visual programming playground etc
Was a big fan of Pipes back in the day, so good job / neat work otherwise!
Was a big fan of Pipes back in the day, so good job / neat work otherwise!