The 1.3 version of Otter is provided as a free download on our website. This program was originally produced by Exceed IT. Otter lies within Office Tools, more precisely Mind mapping. Commonly, this program's installer has the following filenames: otter.exe and Otter32.exe etc. The most popular versions of the program 1.3 and 1.0. This download was scanned by our antivirus and was rated as malware free.
From the developer:
OTTER is a data management system designed for teachers, therapists and professionals who require a powerful client and document management system to store information on clients and their activities.
You may want to check out more software, such as Aerosoft's - DHC-6 Twin Otter X, WRc OTTER demo or Prover9-Mace4, which might be related to Otter.