EplSite ETL is an open source tool, developed using Perl, to do easy the data migrations, doing extraction, transformation, validation and load in a very fast way.
It is very low resource consuming and use a web interface for data transformation creation.
The transformations can run using the web interface or a batch process and as a batch process you can schedule tasks to run in automatic way.
EplSite ETL runs in all the environments where Perl runs, Linux,Windows,OSX, Unix.
It was built by people involved in data migrations so, it contains the necessary to do the migration(Extract Transformation, validation and load) and do it well.
The last release is 1.1, it is running in production environments now, EplSite ETL can be downloaded from here: