|License||The MIT License https://opensource.org/licenses/MIT|
gtfs-validator is a Java framework for GTFS validation and statistics. It uses the Onebusaway-GTFS library, written in Java and is far faster at processing large feeds than the FeedValidator available from Google.
A fork was developed off of the main Conveyal branch by user laidig offering the same validator but with additional checks. It can be found here