需要在下列环境中运行: • Linux、BSD 或 Mac OS X • Ruby 1.9 (推荐 1.9.3) • Nginx + Passenger 或 Thin 或者 Unicorn • MySQL 或 PostgreSQL • Memcached (1.4.0 以上) • Postfix • Freetype/Ghostscr ipt ̶

Ghostscr ipt is an interpreter for Postscr ipt? and Portable Document Format (PDF) files. It is available both under the GNU GPL Affero license and for commercial licensing from Artifex. It has been under active development for over 20 years and has