Trimble SCS900 2.90.36 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. This free program is a product of Trimble Navigation Limited. The program is categorized as Education Tools.
We recommend checking the downloaded files with any free antivirus. Trimble SCS900 can be installed on Windows XP/7/8/10/11 environment, 32-bit version. The program's installer is commonly called SCS900.exe. The most popular version among the software users is 2.9.
From the developer:
Trimble SCS900 Site Controller Software provides an easy-to-use graphical interface that enables surveyors, grade checkers, site engineers, and foremen to do their jobs faster and more efficiently. Trimble SCS900 Site Controller Software helps efficiently control and quantify site operations without relying on a contract surveyor for site measurement and stakeout. It is easy to learn and can be used with Trimble GNSS or total station equipment.
You may want to check out more software, such as Trimble Installation Manager, Trimble Optical Positioning Communication Components or Trimble Connect Sync, which might be similar to Trimble SCS900.