Savannah is a free software code forge.
The SQL used to generate the data that made this chart is as follows:
SELECT MONTH( registration_date ) , YEAR( registration_date ) , COUNT( DISTINCT project_name )
FROM sv_projects
WHERE datasource_id =[current datasource_id]
GROUP BY YEAR( registration_date ) , MONTH( registration_date )
ORDER BY YEAR( registration_date ) , MONTH( registration_date );