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Latest Versions

 WARNING: Major upgrades require new validation codes which are available free of charge to customers with a Valid Tech Care Plan or that have purchased an upgrade.

Before installing , please check your existing software version in the Help | About box and look carefully at the SECOND number. (ie 1.7.9). If the version you are downloading has a HIGHER second number, you will require a new validation code. (i.e. upgrading from Simian 1.7.X to version 1.8.X will require a new code; but updating from Speedy 4.0.22 to 4.0.24 will not require a new code.)

You can Submit A Validation Code Request from Monday thru Friday between 8am and 5pm Pacific Time. (Please allow up to 90 minutes for a response and ensure that your mail filter allows all email from the bsiusa.com domain).

Older Versions – Older versions are also available for download via our download link request.

All software licenses are non-transferable, unless approved by BSI in advance.

 Simian v 2.3.4 Pro Demo

Click here to submit a download link request.

Customers using Simian 2.2.x, 2.1.x, 2.0.x, 1.8.x, 1.7.x, 1.6.x, 1.5.x, 1.4.x or migrating from WaveStation will require new validation codes. These are available free of charge to customers with a valid Tech Care Plan; customers without a Tech Care Plan will need to contact sales to can purchase one. Click Here to go to the Validation Codes request form. 

– posted 04/20/17 Release Notes

 Simian v 1.0.4 Gateway Demo

Simian Gateway is included with the Simian Pro installer. See the above link for Simian Pro for information on obtaining the Simian Pro installer. 

– posted 04/20/17

 Simian Remote for PC v 1.0.5

– Posted 04/20/17    

 Simian v 2.3.4 Lite

Contact BSI Sales to obtain a download link for the full version of this product.

Customers using Simian 2.2.x, 2.1.x, 2.0.x or earlier, or migrating from WaveStation will require new validation codes. These are available free of charge to customers with a valid Tech Care Plan; customers without a Tech Care Plan will need to contact sales to can purchase one. Click Here to go to the Validation Codes request form. 

– posted 04/20/17 Release Notes

 SkimmerPlus v 1.0.0.58

– Posted 01/23/24    

 WaveCart v 5.1 Pro

 WaveCart Remote v 1.0 (for use with WaveCart Pro 5.0 and 5.1)

 WaveCart v 5.1 Lite

– Posted 07/07/15

 Stinger v 3.1.0

– posted 7/7/15 Release Notes

 Speedy v 4.0.0.24

– posted 09/30/05 Release Notes    

 Data Repeater 1.1.0

– posted 02/24/14    

Natural Software Applications & Updates

Please note that these files link directly to the vendors web site and that their ISP has introduced firewall restrictions preventing some customers from downloading these updates. Should you get a page not found error when attempting to use these links, please email info@nat-soft.com with your public IP address for assistance. (You can obtain your public IP address in a number of ways, including visiting www.whatismyip.com).

 Natural Grid Program Log Builder

 Natural Log for Windows

 Natural Music for Windows