Signum Systems Corporation designs, develops, and markets software and hardware development tools for the embedded market worldwide. 

The company offers in-circuit emulators to the developers of microcontroller-based systems; JTAG emulators for various ARM, DSP, and ARM-DSP hybrid microprocessors; processors, debuggers, software tools, and third-party compilers; flash memory programmers that run off the JTAGjet emulators; ARM remote debug interfaces and smart card test tools; and smart card emulators, analyzers, and verification tools. Its customers primarily include hard disk drive makers and chip manufacturers. 

The company was founded in 1979 and is based in Camarillo, California. As of September 12, 2011, Signum Systems Corporation operates as a subsidiary of IAR Systems AB.