Replicad is quicker to render complex things than OpenSCAD -- significantly quicker. It uses an emscripten port of OCC. OpenSCAD integrated manifold into its c

Replicad is quicker to render complex things than OpenSCAD -- significantly quicker. It uses an emscripten port of OCC. OpenSCAD integrated manifold into its codebase though you would need to use a development build to actually use it since the last release is in 2021. I heard manifold is significantly faster than CGAL.