Tools to work with stored procedures in Oracle, in a team?

SELECT object_type, object_name,
  dbms_metadata.get_ddl(object_type, object_name) object_ddl FROM user_objects
WHERE OBJECT_TYPE in ('INDEX', 'TRIGGER', 'TABLE', 'VIEW', 'PACKAGE',
  'FUNCTION', 'PROCEDURE', 'SYNONYM', 'TYPE')
ORDER BY OBJECT_TYPE, OBJECT_NAME