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: