Between them, the 5 recurring billing software on this page cover customizable invoices (4), multi-period recurring billing (3), online payments (3) and billing portal (3). 5 of them have written a profile you can read before you get in touch.
O2B is a subscription management and billing system built entirely on the Force.com platform. It is intended for telecom and non-telecom companies that already use Salesforce.
The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.