GuitarCodexPlus 4.5.2 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The following versions: 4.5 and 1.0 are the most frequently downloaded ones by the program users.
GuitarCodexPlus was developed to work on Windows XP or Windows 7 and can function on 32-bit systems. GuitarCodexPlus lies within Multimedia Tools, more precisely Music Production. We recommend checking the downloaded files with any free antivirus. The actual developer of the free software is Robert Leh. The most frequent installation filename for the software is: GuitarCodex Plus.exe.
From the developer:
GuitarCodex Plus is a guitar application with a midi interface for players of all levels. You can use it as a tablature chord dictionary and more. GuitarCodex Plus allows you to see and hear chords, scales and displays associated guitar chords in a graphical representation.
You may want to check out more software, such as Remote Request System - Server, Waves 360 Surround Tools Bundle or VertexDSP vxPlug, which might be related to GuitarCodexPlus.