NopFeedManager. Version 1.00 on January 12th, 2015.

19 templates :
Google, Amazon Ads, AmazonPrice, AmazonInventory, AmazonImage, PriceGrabber, Twenga, Fruugo, Kieskeurig, Beslist, Daisycon, Shopping.com, Kelkoo, LeGuide, Shopzilla, Nextag, Idealo, Yandex, OLX.

Features
Product attribute filtering (ex. price, quantity, etc.)
Product and category filtering (ex. export only Cellular Phones category)
Feed attribute mapping per product (ex. color, size, etc.)
Feed attribute mapping per category (ex. color, size, etc.)
Several feed files per one store (one feed file for Cellular Phones category, another feed file for Digital Cameras category).
FTP upload feature

Compatible with NopCommerce 3.40/3.50.