In some cases, ads may be show to the users. Basically, a product is offered Free to Play (Freemium) and the user can decide if he wants to pay the money (Premium) for additional features, services, virtual or physical goods that expand the functionality of the game. This license is commonly used for video games and it allows users to download and play the game for free. There are many different open source licenses but they all must comply with the Open Source Definition - in brief: the software can be freely used, modified and shared. Programs released under this license can be used at no cost for both personal and commercial purposes.

Open Source software is software with source code that anyone can inspect, modify or enhance. Freeware products can be used free of charge for both personal and professional (commercial use). It is a relatively recent entrant into the market and is not as full-featured as the commercial products.Freeware programs can be downloaded used free of charge and without any time limitations. SQL Developer aims to compete against commercial products like TOAD from Quest Software, dbForge Studio for Oracle from Devart and PL/SQL Developer from Allround Automations. SQL Developer is written in Java, and is therefore available for a wide range of platforms, including Windows, Linux and Mac OSX. SQL Developer is provided free of charge and can be downloaded from Oracle TechNet. SQL Developer 2.1 was released on 15th December 2009. Version 1.1.3 ships with Oracle 11g (all database editions) - the intention is that it becomes an adjunct to SQL*Plus. It is based on/ derived from Oracle's JDeveloper IDE. SQL Developer was formerly dubbed Project Raptor.

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