Easy Digital Downloads
Text copied from https://easydigitaldownloads.com/
EDD is a free WordPress e-commerce plugin that focuses purely on digital products.
FEATURES:
Discount Codes
Easily create discount codes to encourage customers to buy more. Discounts can be offered at flat or percentage rates and include settings for expiration, maximum uses, and more.
Full Shopping Cart
Allow your customers to purchase multiple downloads at once using the shopping cart system. With minimum page loads and cleanly designed cart elements, the shopping cart feels seamless.
Unlimited File Downloads
There are no limitations when it comes to distributing your digital products. Allow customers to download their purchased files endlessly or restrict file downloads by time and/or attempt.
File Access Control
All product files are restricted to authorized customers only. No configurations is required. You may also set the file download limit and download link expiration.
Customer Account Page
Through the use of a single shortcode, output an entire purchase history table that is only viewable by logged in customers. Unauthorized users will not have access.
Download Activity Tracking
Monitor all there is to know about how your product files are being downloaded by your customers. Easily track date, time, and even IP address of all purchased and downloaded files.
REST API
Developers and external applications can take advantage of a complete RESTful API that provides easy access to sales and product information in either jSON or XML format.
Full Data Reporting
No business is complete without detailed bookkeeping. Easy Digital Downloads has a built-in reporting platform for easily viewing stats, making custom reports, and much more.