VerbOS 1.8 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions of the tool 1.8 and 1.0. The most frequent installer filename for the software is: VerbOS.exe. VerbOS lies within Education Tools, more precisely Reference. We recommend checking the downloaded files with any free antivirus. This free program is a product of darkroom.
From the developer:
VerbOS allows viewing, searching, editing, and testing of verb conjugations. Currently there are verb packs for nearly 8000 French verbs, 10000 Spanish verbs and 4000 Portuguese verbs.
Additionally, you can use VerbOS as a front-end to view dictionaries in the dict.dz format. Normal search and display functions are fully supported.
You may want to check out more software, such as Rave Dictionary, SlovoEd Classic English-Spanish or MiniTaktaz, which might be similar to VerbOS.