OPP is in the early stages of development, but works well and is being used in production environments. The current version is 0.2.5 . This page contains OPP news.
More information is available by following the links at the top of the page.
Sometime early in January we will be relocating our server to a new ISP who will hopefully provide better service. Because of this and some scheduling conflicts, the OPP 0.3 development release is being pushed back until late in January. OPP 0.3 mostly compiles, but we're working on a more generalized replacement for LRUHashtable. After that and some other minor work is completed, and initial testing is done, the development version will be released. Thank you for your patience.