ViveLab Ergo released a free desktop version of its software, with demo functionalities.
You can try out the Key Frame Animation, the 7 built-in ergonomic analyses, the importation of Xsens motion capture files, and the pdf report generation for free.
To get the free desktop version, you should download it from here
and write an e-mail for the license code to this email address: email@example.com
If you have already downloaded the previous free version, you can update it from here