Feed Validator for Atom and RSS - http://www.feedvalidator.org/
This is a validator for syndicated feeds. It works with RSS 0.90, 0.91, 0.92, 0.93, 0.94, 1.0, and 2.0. It also validates Atom feeds. |
Feed Validator for RSS and Atom - http://www.validome.org/rss-atom/
Provides schema-based online validation for Atom and RSS feeds and a large testsuite for developers of similar tools. |
Feedvalidator-users Email List - http://lists.sourceforge.net/lists/listinfo/feedvalidator-users
Questions, bugs, patches, and general discussion of FeedValidator.org's Atom and RSS feed processing service. |
Redland RSS 1.0 Validator and Viewer - http://librdf.org/rss/
Enter the address of an RSS 1.0 feed into the form, and it will be validated and formatted for display. |
RSS1.0 Validator (ldodds.com) - http://www.ldodds.com/rss_validator/1.0/validator.html
An experimental online RSS1.0 Validator |