These are part of the results for the Q4 2014 survey among SaaS businesses around Southeast Asia. See more.
Singapore-based Zopim's success shows in the market penetration it got... being used by 45% of SaaS companies.
Slack has the leadership of business communication, in use at 40% of companies (Will that change after official launch of Singapore-based Pie?), and industry's leader Salesforce is in use at 20% of regional SaaS startups.
Often discussed in the community the fragmentation of the payment gateway market is visible, with no leader.