This a list of Blender extensions that I have written which are free and opensource under GPL3 as required by the Blender Foundation.
All of these live under one repository which you can add to Blender 5.1+
Repo URL: https://jacepriester.com/blender-repo
Add this in User Preferences->Get Extensions->Repositories
Dimension Tool
Fast Pointcloud Viewport Rendering
Frame Change Text
Export Pointcloud (.e57)
Export Pointcloud (.pts)
Import Pointcloud (.e57)
Import Pointcloud (.pts)
Import VirtualCrash Model (.vcm)
JP Blosm
JP glTF 2.0 format
Object Speed
Render Farm
VSE Helpers
See also: Vismetrix, a complete photogrammetry suite for Blender.