Lotus Software, IBM’s e-mail, messaging and collaboration software unit, was separately ranked No.

10 with a 1.1 percent market share and revenue of $18 million.

For its part, Oracle has increased itsinvestmentsin development centers throughout the country.

According to IDC, China’s software industry was valued at $1.62 billion last year.

CNETAsia’s Irene Tham reported from Singapore.