What are some alternatives?
When comparing XmlSitemapGenerator.org and FreshRSS, you can also consider the following products
DYNO Mapper - Create Sitemaps with the DYNO Mapper Visual Sitemap Generator.
Feedly - The content you need to accelerate your research, marketing, and sales.
XML-Sitemaps.com - Free Online Google Sitemap Generator.
Tiny Tiny RSS - Web-based news feed aggregator, designed to allow you to read news from any location, while feeling...
MySitemapGenerator - Online XML Generator for SEO and eCommerce. Creates XML Sitemaps, Shopping Feeds, RSS.
Inoreader - Dive into your favorite content. The content reader for power users who want to save time.