Datalight develops and licenses quality embedded system software components, including operating systems, development tools, and flash media management. The company's products include ROM-DOS 7.1, a compact DOS operating system and a fast way to connect an embedded system to the Internet; FlashFX 5.10, a fully portable flash media manager that can support any resident flash array; and sockets, a small, efficient TCP/IP stack.

Datalight is a privately held corporation and has strategic relationships with various microprocessor and SBC manufacturers, including Intel, NEC, Hitachi, and AMD.