On Time provides real-time operating systems for embedded systems on Intel x86 compatible CPUs in 32-bit protected mode and 16-bit real-mode, used by over 5000 developers worldwide. On Time was founded in 1989 and has offices in the USA and Germany.

It is On Time's goal to deliver professional system software at very competitive prices while giving customers unrestricted access to the underlying technology. Technical design goals are low resource requirements, high speed, unmatched real-time performance, and ease of use. In addition, On Time supports open industry standards to protect our customers' existing software investments. On Time products are free of run-time royalties and the source code for all products is available. The On Time development team provides tech support by email and phone free of charge. Our products are compatible with mainstream compilers such as Microsoft, Borland, and Watcom C/C++. System API compatibility with Windows NT and DOS allows smooth porting between desktop operating systems and On Time's embedded real-time environments.