Altium Designer

Altium Designer
Original authorNick Martin
DeveloperAltium (subsidiary of Renesas Electronics)
Release2005 (2005)
Stable release
26.5.1 / 6 May 2026 (2026-05-06)
Written inDelphi, C#, C++
Operating systemWindows
PlatformIA-32, x86-64
Available inEnglish
TypeECAD–EDA, CAM
LicenseProprietary
Websitewww.altium.com/altium-designer

Altium Designer (AD, formerly known as Protel) 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 is provided as part of the Altium Develop and Altium Agile platform solutions.