When comparing OpenSCAD vs LibreCAD, the Slant community recommends LibreCAD for most people. In the question“What are the best open source CAD tools?” LibreCAD is ranked 1st while OpenSCAD is ranked 2nd.
Ranked in these QuestionsQuestion Ranking
Pro Ideal for programmers
Because the 3D-objects will be programmed. You define basic geometric objects, scale, rotate or move them, create unions, intersections, hulls, differences, ...
Pro Text based description
Hence the resulting files can be easily stored/merged in version control systems.
Define some variables and use them in the code.
Pro Easy to use
Pro Endorsed by FSF
Pro Fast and lightweight
Because of LibreCAD's focus on 2D geometry it can be fast and lightweight, the installer size is less than 30 Mb.
Pro Too fast startup
Starts within 2 seconds.
Con No measurements from any area
Con Need to know scripting
Con SVG exports a single big shape
It should export one shape per object, so it would be re-usable in SVG tools.
Con No 3D
No 3D like FreeCAD.