@Max, my #1 free tool is Ghostscript. I write everything in postscript. Can move data between expressPCB and KiCad. View 40 year old pictures of mars, and read the binary pipe organ definition files for the system I am upgrading. It even manages MIDI too.
As we unveil EE Times’ 2015 Silicon 60 list, journalist & Silicon 60 researcher Peter Clarke hosts a conversation on startups in the electronics industry. Panelists Dan Armbrust (investment firm Silicon Catalyst), Andrew Kau (venture capital firm Walden International), and Stan Boland (successful serial entrepreneur, former CEO of Neul, Icera) join in the live debate.