oldo.org / guppy4j
Releases
Incompatible changes may occur in all 0.x.y releases. If you need more stability, wait for the 1.0.0 release.
About the name
Guppies, also known as "Millions fish", were introduced to many habitats and are now found all over the world. They are highly adaptable and thrive in many different environmental and ecological conditions.
— Oct 2014
paraphrasing Wikipedia
paraphrasing Wikipedia