Research firm says Salesforce remains number two.

By Barb Darrow
August 31, 2017

Microsoft, aided by its $26.2 billion purchase of LinkedIn last year, has fortified its lead as the biggest provider of subscription software, according to numbers released Wednesday by Synergy Research.

Salesforce crm , which pioneered the “Software-as-a-Service” (a.k.a. SaaS) market more than 20 years ago, remains the second largest player, Synergy said. Under the SaaS model, businesses use software that streams over the Internet rather than running it independently on their own servers. Microsoft first passed Salesforce on this list last year.

Synergy does not release revenue growth by company, but analyst John Dinsdale did say that Microsoft msft holds more than 15% of the total enterprise market while Salesforce accounts for more than 10%. Adobe adbe , Oracle, and SAP each fall in the 5% to 10% range, he said.

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In aggregate, total sales of this type of software rose 31% year over year to $15 billion.

 

Companies like Salesforce and more recent entries like Workday wday or SuccessFactors were born to this pay-per-user-per month model while older vendors like Adobe, Microsoft, Oracle, and SAP sap had to adapt quickly as customers embraced the new way of buying (or renting) software. Hence most business customers now talk about Office 365 from Microsoft rather than Microsoft Office. And it’s also why SAP sap bought Concur and SuccessFactors while Oracle bought NetSuite, Taleo, and other companies to gain a stronger foothold in this subscription software market.

Related: Microsoft Stresses Cloud Upside of LinkedIn Deal

The Microsoft-Salesforce dynamic is worth noting because the two software powers have long been frenemies: They compete in sales software but also work together to integrate Microsoft Outlook with Salesforce products, for example.

Microsoft’s successful purchase of LinkedIn last year, however, opened up old wounds. Salesforce had been pursuing LinkedIn but was outbid for it. Salesforce CEO Marc Benioff subsequently complained publicly that the Microsoft-LinkedIn combination hurts competition.

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