If you’re looking for some software to run your affiliate program, chances are that you’ll have come across iDevAffiliate.
iDevAffiliate is software that you usually install on your own web server (the most economical way) or if your hosting setup is a pain in the neck then you can use their hosting solution.
The iDevAffiliate software is well supported and comes with a year’s worth of upgrades included in the price. Support is by email or – if that can’t resolve an issue – then it gets escalated to phone support. The email support is responsive and helpful.