Introduction -- Review of main algorithms of freeform optics for LED lighting -- Basic algorithms of freeform optics for LED lighting -- Application specific LED package integrated with freeform lens -- Freeform optics for LED indoor lighting -- Freeform optics for LED road lighting -- Freeform optics for direct-lit LED backlighting unit (BLU) -- Freeform optics for LED headlamp of automotive -- Freeform optics for emerging LED applications -- Freeform optics for LED lighting with high spatial color uniformity (SCU).