Integrated Systems Inc. (ISI) was an embedded software company founded by Naren Gupta in 1980/1981. Summit Partners invested in 1987, the company listed in 1990, and it was acquired by Wind River Systems in 2000.
Naren Gupta served as President/CEO of ISI until 1994, and as its chairman until the company was bought by their competitor Wind River Systems in February 2000. Later he served as vice-chairman and CEO of Wind River Systems.
Products
The company's main products were:
- MATRIXx, introduced in 1983, a control engineering (computer aided control system design or CACSD) tool with components including XMath (an extended MATLAB-like language) and SystemBuild for graphical editing of block diagrams. After the merger with Wind River the product was licensed to MathWorks, but after an anti-trust action, it was sold to National Instruments. In 2018, National Instruments placed MATRIXx into a five-year end-of-life phase, with no further support beyond 30 June 2023.
- pSOS, a real-time operating system for the Motorola 68000 microprocessor family acquired from