Altium Designer

Altium Designer
Original authorNick Martin
DeveloperAltium
Initial release2005 (2005)
Stable release
25.8.1 / 16 July 2025 (2025-07-16)
Written inDelphi, C#, C++
Operating systemMicrosoft Windows
PlatformIA-32, x86-64
Available inEnglish
TypeECADEDA, CAM
LicenseProprietary
Websitewww.altium.com/altium-designer

Altium Designer (AD) is a printed circuit board (PCB) and electronic design automation software package for printed circuit boards. It is developed by American software company Altium Limited. Altium Designer was formerly named under the brand Protel. Altium Designer is no longer offered as a standalone product and is instead available as part of the Altium Develop and Altium Agile platform solutions.