Report Generator 

Here you can find what is missing from the free version of Hovitaga Report Generator.

Feature	Report Generator Free version	Report Generator Full version
Freely defined selections
Transport free
Inner joins
Outer joins
Subqueries
Group functions
"Select for all entries in" syntax
Background processing
Hierarchical display
Editing unlimited queries in one session
Saving queries to a repository
Record level authorizations
Field level authorizations
Report code generation
Selection screen customization
Assign the report to package/transport
Creation of a report in the Repository
Creation of a transaction for the report
Generation of event handler code
Generation of DDIC structure
ALV Tree display option for the report
Using multiple tables in the generated report
Many ALV options (class based, FM based etc.)

OpenSQL Editor 

  Here you can find what is missing from the free version of Hovitaga OpenSQL Editor.

Feature	OpenSQL Editor Free version	OpenSQL Editor Full version
Freely defined selections
Transport free
Inner joins
Outer joins
Subqueries
Group functions
"Select for all entries in" syntax
Editing of the result set
Mass update
Mass delete
Background processing
Import from Excel, Access
Hierarchical display
Executing ABAP code on the result set
Editing unlimited queries in one session
Saving queries to a repository
Record level authorizations
Field level authorizations
Field Selection Wizard
Linked Query Assistant
Data backup & restore