Ecadstar | Software //free\\
(e.g., a misspelling of "ECAD" software like Altium, Eagle, KiCad), please clarify.
Based on the spelling, you are likely referring to (formerly known as CADSTAR ), a PCB design software suite originally developed by Zuken and now supported by WestDev Ltd. (following Zuken's divestiture of the CADSTAR product line). ecadstar software