When comparing LibreCAD vs OpenSCAD, 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 3rd. The most important reason people chose LibreCAD is:
Because of LibreCAD's focus on 2D geometry it can be fast and lightweight, the installer size is less than 30 Mb.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
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 Endorsed by FSF
Pro Too fast startup
Starts within 2 seconds.
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.
Pro Parametric
Define some variables and use them in the code.
Pro Easy to use
Cons
Con No 3D
No 3D like FreeCAD.
Con Need to know scripting
Con No measurements from any area
Con SVG exports a single big shape
It should export one shape per object, so it would be re-usable in SVG tools.