San Francisco-based Zuora, a provider of software-as-a-service for subscription billing management, said today that it has signed on the GigaOM Network as a customer. GigaOM is using Zuora's products to manage the firm's research offerings. Financial impact of the win was not disclosed. Zuora provides software-as-a-service for managing recurring billing and subscriptions. The firm is backed by Shasta Ventures, Lehman Brothers Venture Partners, Benchmark Capital and Marc Benioff.