MemberPress is a full-featured Membership solution for WordPress. It will allow you to grant and revoke access to posts, pages, custom post types, categories, tags, feeds, communities and digital files based on what products your users have purchased or are subscribed to.
Affiliate Royale is a complete Affiliate Program management plugin for WordPress. Use it to start an Affiliate Program for your products to dramatically increase traffic, attention and sales.
Pretty Link / Pretty Link Pro is an advanced link cloaking and redirection plugin for WordPress. It's used to shrink, track, cloak and share links. Pro version has several advanced features including advanced reporting, geographic-redirects, keyword replacement, split testing, link rotation, and the ability to push links to twitter — and much more!
Buy Now For Stripe is an easy to use, cloud-backed plugin for WordPress that will allow you instantly start accepting Credit Card payments on your website using the awesome Stripe credit card gateway.