Complex sentence: Olson Software is a New Zealand based software development company founded in 1992 that is best known for their help authoring tool products, HWA, The HyperText Suite and HyperText Studio.
Split into simpler sentences: Olson Software is a New Zealand based software development company founded in 1992. They are best known for their help authoring tool products, HWA, The HyperText Suite and HyperText Studio.