Marlin is an open source (GPL2+CP) Java2D RenderingEngine optimized for performance (improved memory usage (less GC) and footprint, better multi-threading) based on openjdk's pisces implementation.
Latest release: https://github.com/bourgesl/marlin-renderer/releases/latest
As marlin is a fork from OpenJDK 8 pisces, its license is the OpenJDK's license = GPL2+CP:
GNU General Public License, version 2, with the Classpath Exception
The GNU General Public License (GPL)
Version 2, June 1991
See License.md
Documentation on how to use and tune the renderer is available in the wiki
Users and developers interested in the Marlin-renderer are kindly invited to join the marlin-renderer Google Group.
Contributions are welcomed, get in touch with us on the marlin-renderer Google Group and share your improvements via pull requests. Since we aim, one day, to contribute this renderer back to OpenJDK, we will accept contributions only from people that have signed the Oracle Contribution Agreeement
Mapbench provides benchmarking tools based on real world map painted by the GeoServer WMS server