Trevni is now included in Apache Avro.

The Trevni specification is published at:

  http://avro.apache.org/docs/current/trevni/spec.html

Documentation for the Java implementation of Avro is at:

  http://s.apache.org/trevnicoreapi
  http://s.apache.org/trevniavroapi

Command-line tools for creating and viewing Trevni files are now
included in the avro-tools.jar executable.

For more information, visit the Avro project:

  http://avro.apache.org/