What are some alternatives?
When comparing LuxCoreRender and LuxRender, you can also consider the following products
appleseed - appleseed is an open source, physically-based global illumination rendering engine primarily designed for animation and visual effects.
Keyshot - KeyShot 3D rendering and animation software is the fastest, easiest way to create amazing, photographic visuals of your 3D models. Enter your search in the box aboveTryYour download of KeyShot is only moments away.
POV-Ray - What was then called STAR-Light, and later renamed to PV-Ray and ultimately POV-Ray, has therefore been on this planet for a whopping 9, 190 (or 11, 000) revolutions by now (plus another guesstimated 150 above it).
RenderMan - Advanced Technology from Pixar Animation Studios for Rendering VFX and Animation
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Mitsuba - Mitsuba is a research-oriented rendering system in the style of PBRT, from which it derives much inspiration.