Downloading TABTOOL 1.0 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The software is categorized as Office Tools. The actual developer of the free software is Bernhard Lehnert. We recommend checking the downloaded files with any free antivirus.
From the developer:
Freeware program for creating, transposing/converting and displaying harmonica-specific tabs for diatonic and chromatic harmonicas.
You can get interfaces for the SEYDEL-Harmonica True Type Font and the NHL-Supertabs at hand! If you install the fonts on your computer you can display the tabs generated by SEYDEL-TabTool in any word-processing software in the format that you are used to. Fully compatible with Free-Tab-Editor
You may want to check out more software, such as SandRibbon for WPF, PDF Transformer or PDF Converter Professional, which might be similar to TABTOOL.