Google Java Developer Tools

https://developers.google.com/java-dev-tools/

PostgreSQL License

http://www.postgresql.org/about/licence/

MongoDB 授權

AGPL v3.0
http://www.gnu.org/licenses/agpl-3.0.html

授權流言終結者#4：MongoDB 授權的分析與探討（雙重授權模式 2.0） - OpenFoundry
http://www.openfoundry.org/tw/enterprise-application/8687-4mongodb-20

About Firebird

http://www.firebirdsql.org/en/about-firebird/

SQLite Copyright

http://www.sqlite.org/copyright.html

GlassFish for Commercial Use

https://blogs.oracle.com/theaquarium/entry/glassfish_for_commercial_use
http://glassfish.java.net/public/CDDL+GPL.html
http://www.openfoundry.org/tw/licenses/2061-cddl

Difference between GlassFish Open Source and Commercial Editions (GlassFish For Business):
https://blogs.oracle.com/GlassFishForBusiness/entry/difference_between_glassfish_open_source

GlassFish Usage Metrics
https://wikis.oracle.com/display/GlassFish/UsageMetrics