I have personally used Promocate for almost 4 months now. The customer support team is quick and we took advantage of free setup integration which was a very nice gesture from the promocate team. The Software is pretty affordable and has lot of excellent features and many integrations.
PayKickstart - PayKickstart is the ultimate shopping cart and affiliate management platform, empowering online Entrepreneurs and digital publishers with the tools to sell their products online.
Affiliatly - Affiliatly is an affiliate tracking software for ecommerce stores.
Shopio - Shopio is an all-in-one hosted shopping cart solution.
AffiliateWP - A powerful affiliate marketing solution for WordPress.
Selz - Seriously Simple Selling
Everflow - Partner Marketing Platform - Track, Analyze & Automate