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System Requirements


  • Intel-based Mac1
  • Mac OS 10.5 or later
  • 2GB RAM

  • Windows XP, Windows Vista, or Windows 71
  • 2GB RAM

Host Program

RadLab requires one or more of the following programs:

Photoshop CS3 or later2

Photoshop Elements 7 or later

Lightroom 2 or later3

Additional License Info

RadLab uses several additional software libraries, licensed under the following terms. Copies of the license information can be found in the Totally Rad/Licenses folder that came with this program.

SQLite (Public Domain)

Boost C++ Libraries (Boost Software License)

littleCMS and Libxml2 (MIT license)

Qt (LGPL 2.1)

Google Breakpad, Pantheios, STLSoft, and bzip2 (BSD)

Crypto++ (Public Domain)

libcurl (MIT/X derivative)

OpenSSL (OpenSSL License)

zlib (zlib License)

QT Library Changes

RadLab uses a modified version of the Qt Library. Per the terms of the LGPL 2.1 we are hosting the sources, diffs, and build instructions for our modified QT library. Download via the links below.

QT Libraries v4.7.3 (214mb gzip)

Our Qt Changes (4k diff)

Qt Build Instructions (4k txt)

  • 1Both 32-bit and 64-bit operating systems are fully supported.
  • 2RadLab is compatible with both 32-bit and 64-bit versions of Adobe Photoshop.
  • 3Lightroom supports RadLab as an “External Editor”. Photoshop-specific features such as Smart Objects and the RadLab Launcher panel aren’t available in Lightroom.

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