Userland Frontier

Frontier is a powerful Web content management system, built around an object database, scripting language, script editor and debugger, outliner, multi-threaded runtime, integrated HTTP server, distributed computing protocols such as XML-RPC and SOAP.

Frontier also includes our browser-based content system, Manila, at no extra cost. $899, with free updates for one year.
What's new in this version:
Frontier 9.1b3 includes a new regular expressions implementation at system.verbs.builtins.re, contributed by Andre Radke. These verbs, based on Philip Hazel's PCRE, provide improved performance over the Regex extension provided with previous releases. Docs for the new verbs, as well as developer docs for migrating from the regex extension are at system.verbs.builtins.re.docs. (Documentation will be added to the DocServer site when Frontier 9.1 is released.)
Dereferencing an address va...