Syno-package-server is a project mainly written in ..., it's free.
Package server
Synology introduced a new Package Center with DSM 3.2. This Package Center accept external sources which is really useful for package developers. syno-package-server is a PHP environment to build up your own Synology Package Server. It requires a MySQL database and a web-server with PHP support.
make -f yourpackage.mk publish
with syno-packagerPlease contribute to this project and make it even better! Also, that would be preferable not to make duplicates SPKs, contact me if you feel you are going to make a duplicate ;)