GNS3 is an open source graphical network simulator for Windows, Linux and macOS

Beautiful hand-drawn block diagrams from plain text http://shakydraw.com/ #flowchart origin - http://www.pipiscrew.com/2017/06/shakydraw/ shakydraw

Add holograms into your real-world. https://thisisholo.com/ https://play.google.com/store/apps/details?id=com.eighti.holo.android origin - http://www.pipiscrew.com/2017/06/holo/ holo

https://www.electronjs.org/apps/ironnode origin - https://www.pipiscrew.com/?p=18407 ironnode-debug-noejs-code-with-chrome-developer-tools