Get the old versions of OpenVSP from the links below.

Windows
OpenVSP 3.9.1
OpenVSP 3.9.0
OpenVSP 3.8.1
OpenVSP 3.8.0
OpenVSP 3.7.2
OpenVSP 3.7.1
OpenVSP 3.7.0
OpenVSP 3.6.2
OpenVSP 3.6.1
OpenVSP 3.6.0
OpenVSP 3.5.2
OpenVSP 3.5.1
OpenVSP 3.5.0
OpenVSP 3.4.1
OpenVSP 3.4.0
OpenVSP 3.32.0
OpenVSP 3.32.0
OpenVSP 3.31.1
OpenVSP 3.31.1
OpenVSP 3.31.0
OpenVSP 3.31.0
OpenVSP 3.30.0
OpenVSP 3.30.0
OpenVSP 3.3.2
OpenVSP 3.3.1
OpenVSP 3.3.0
OpenVSP 3.29.1
OpenVSP 3.29.1
OpenVSP 3.29.1
OpenVSP 3.29.1
OpenVSP 3.29.0
OpenVSP 3.29.0
OpenVSP 3.29.0
OpenVSP 3.29.0
OpenVSP 3.28.0
OpenVSP 3.28.0
OpenVSP 3.28.0
OpenVSP 3.28.0
OpenVSP 3.27.1
OpenVSP 3.27.1
OpenVSP 3.27.1
OpenVSP 3.27.1
OpenVSP 3.27.0
OpenVSP 3.27.0
OpenVSP 3.27.0
OpenVSP 3.27.0
OpenVSP 3.26.1
OpenVSP 3.26.1
OpenVSP 3.26.1
OpenVSP 3.26.1
OpenVSP 3.26.0
OpenVSP 3.26.0
OpenVSP 3.26.0
OpenVSP 3.26.0
OpenVSP 3.25.0
OpenVSP 3.25.0
OpenVSP 3.24.0
OpenVSP 3.24.0
OpenVSP 3.23.0
OpenVSP 3.23.0
OpenVSP 3.22.0
OpenVSP 3.22.0
OpenVSP 3.21.2
OpenVSP 3.21.2
OpenVSP 3.21.1
OpenVSP 3.21.1
OpenVSP 3.21.0
OpenVSP 3.21.0
OpenVSP 3.20.1
OpenVSP 3.20.1
OpenVSP 3.20.0
OpenVSP 3.20.0
OpenVSP 3.2.3
OpenVSP 3.2.2
OpenVSP 3.2.1
OpenVSP 3.2.0
OpenVSP 3.19.1
OpenVSP 3.19.1
OpenVSP 3.19.0
OpenVSP 3.19.0
OpenVSP 3.18.0
OpenVSP 3.17.1
OpenVSP 3.17.0
OpenVSP 3.16.2
OpenVSP 3.16.1
OpenVSP 3.16.0
OpenVSP 3.15.0
OpenVSP 3.14.2
OpenVSP 3.14.1
OpenVSP 3.14.0
OpenVSP 3.13.3
OpenVSP 3.13.2
OpenVSP 3.13.1
OpenVSP 3.13.0
OpenVSP 3.12.1
OpenVSP 3.12.0
OpenVSP 3.11.0
OpenVSP 3.10.0
OpenVSP 3.1.2
OpenVSP 3.1.1
OpenVSP 3.1.0
OpenVSP 3.0.4
OpenVSP 3.0.3
OpenVSP 3.0.3
OpenVSP 3.0.2
OpenVSP 3.0.1
OpenVSP 3.0.0

Mac OS
OpenVSP 3.9.1
OpenVSP 3.9.0
OpenVSP 3.8.1
OpenVSP 3.8.0
OpenVSP 3.7.2
OpenVSP 3.7.1
OpenVSP 3.7.0
OpenVSP 3.6.2
OpenVSP 3.6.1
OpenVSP 3.6.0
OpenVSP 3.5.2
OpenVSP 3.5.1
OpenVSP 3.5.0
OpenVSP 3.4.1
OpenVSP 3.4.0
OpenVSP 3.32.0
OpenVSP 3.32.0
OpenVSP 3.31.1
OpenVSP 3.31.1
OpenVSP 3.31.0
OpenVSP 3.31.0
OpenVSP 3.30.0
OpenVSP 3.30.0
OpenVSP 3.3.2
OpenVSP 3.3.1
OpenVSP 3.3.0
OpenVSP 3.29.1
OpenVSP 3.29.1
OpenVSP 3.29.0
OpenVSP 3.29.0
OpenVSP 3.28.0
OpenVSP 3.28.0
OpenVSP 3.27.1
OpenVSP 3.27.1
OpenVSP 3.27.0
OpenVSP 3.27.0
OpenVSP 3.26.1
OpenVSP 3.26.1
OpenVSP 3.26.0
OpenVSP 3.26.0
OpenVSP 3.25.0
OpenVSP 3.24.0
OpenVSP 3.23.0
OpenVSP 3.22.0
OpenVSP 3.21.2
OpenVSP 3.21.1
OpenVSP 3.21.0
OpenVSP 3.20.1
OpenVSP 3.20.0
OpenVSP 3.2.3
OpenVSP 3.2.2
OpenVSP 3.2.1
OpenVSP 3.2.0
OpenVSP 3.19.1
OpenVSP 3.19.0
OpenVSP 3.18.0
OpenVSP 3.17.1
OpenVSP 3.17.0
OpenVSP 3.16.2
OpenVSP 3.16.1
OpenVSP 3.16.0
OpenVSP 3.15.0
OpenVSP 3.14.2
OpenVSP 3.14.1
OpenVSP 3.14.0
OpenVSP 3.13.3
OpenVSP 3.13.2
OpenVSP 3.13.1
OpenVSP 3.13.0
OpenVSP 3.12.1
OpenVSP 3.12.0
OpenVSP 3.11.0
OpenVSP 3.10.0
OpenVSP 3.1.2
OpenVSP 3.1.1
OpenVSP 3.1.0
OpenVSP 3.0.4
OpenVSP 3.0.3
OpenVSP 3.0.2
OpenVSP 3.0.1
OpenVSP 3.0.0

Ubuntu
OpenVSP 3.32.0 Ubuntu 22.04
OpenVSP 3.32.0 Ubuntu 20.04
OpenVSP 3.31.1 Ubuntu 22.04
OpenVSP 3.31.1 Ubuntu 20.04
OpenVSP 3.31.0 Ubuntu 22.04
OpenVSP 3.31.0 Ubuntu 20.04
OpenVSP 3.31.0 Ubuntu 18.04
OpenVSP 3.30.0 Ubuntu 22.04
OpenVSP 3.30.0 Ubuntu 20.04
OpenVSP 3.30.0 Ubuntu 18.04
OpenVSP 3.29.1 Ubuntu 22.04
OpenVSP 3.29.1 Ubuntu 20.04
OpenVSP 3.29.1 Ubuntu 18.04
OpenVSP 3.29.0 Ubuntu 22.04
OpenVSP 3.29.0 Ubuntu 20.04
OpenVSP 3.29.0 Ubuntu 18.04
OpenVSP 3.28.0 Ubuntu 22.04
OpenVSP 3.28.0 Ubuntu 20.04
OpenVSP 3.28.0 Ubuntu 18.04
OpenVSP 3.27.1 Ubuntu 20.04
OpenVSP 3.27.1 Ubuntu 18.04
OpenVSP 3.27.0 Ubuntu 20.04
OpenVSP 3.27.0 Ubuntu 18.04
OpenVSP 3.26.1 Ubuntu 20.04
OpenVSP 3.26.1 Ubuntu 18.04
OpenVSP 3.26.0 Ubuntu 20.04
OpenVSP 3.26.0 Ubuntu 18.04
OpenVSP 3.25.0 Ubuntu 20.04
OpenVSP 3.25.0 Ubuntu 18.04
OpenVSP 3.24.0 Ubuntu 20.04
OpenVSP 3.24.0 Ubuntu 18.04
OpenVSP 3.23.0 Ubuntu 20.04
OpenVSP 3.23.0 Ubuntu 18.04
OpenVSP 3.22.0 Ubuntu 20.04
OpenVSP 3.22.0 Ubuntu 18.04
OpenVSP 3.21.2 Ubuntu 20.04
OpenVSP 3.21.2 Ubuntu 18.04
OpenVSP 3.21.1 Ubuntu 18.04
OpenVSP 3.21.0 Ubuntu 18.04
OpenVSP 3.20.1 Ubuntu 18.04
OpenVSP 3.20.0 Ubuntu 18.04
OpenVSP 3.19.1 Ubuntu 18.04
OpenVSP 3.19.0 Ubuntu 18.04
OpenVSP 3.18.0 Ubuntu 18.04