Linden Lab is a San Francisco-based Internet company best known for its Second Life virtual world that provides a platform for users to generate and interact with 3D content. The Second Life virtual world can be accessed through Linden Lab’s client programs or via alternative third-party viewers. The company’s other offerings include Blocksworld, which lets users build and play with virtual 3D blocks, and “Project Sansar,” the code name for a new platform for virtual experiences that is scheduled for release in 2016.

