Cycles Renderer - Cycles is Blender’s ray-trace based production render engine and in development since 2011.

RenderMan - Advanced Technology from Pixar Animation Studios for Rendering VFX and Animation

LuxCoreRender - LuxCoreRender is a physically based and unbiased rendering engine.

Octane Render - Octane Render is the world's first GPU based, un-biased, physically based renderer.

V-Ray - Learn why V-Ray for 3ds Max’s powerful CPU & GPU renderer is the industry standard for artists & designers in architecture, games, VFX, VR, and more.

Indigo Renderer - Indigo Renderer is an unbiased, physically based and photorealistic renderer which simulates the physics of light to achieve near-perfect image realism.