BOA Scripting Engine
Tag-based server-side scripting language licensed under the GNU GPL. Includes documentation and downloads.

C++ Server Pages
A scripting engine similar to ASP and JSP. However, it uses C++ as the development language.

CODE:NEO
Web server extension enables embedded C++ code within web pages. Includes libraries to facilitate typical web programming tasks, such as user sessions and HTML generation.

CPPSERV
Application server that provides a CSP (C++ Server Pages) implementation coupled with a JSP-like API

dbPager
Generates HTML reports from databases and text files. By OCTAVA, Inc.

Devscripts.net
Free scripts with source code and reviews.

Dotnetindex.com
Articles, code samples and free applications. ASP, JSP, PHP, Ruby.

Dynamic Page Languages
The article discusses server side scripting under the Apache web server.

H2O
A programming language for building web-based applications and products.

Internet.Com - ScriptSearch
A searchable collection of server-side scripting source code.

Introduction to Server-Side Processing
Article discusses the merits of Perl, CGI and Server Side Includes.

Lasso
Embedded, high-level commercial web programming language. XML-like syntax.

Moto
Server-side programming web programming language that can be interpreted or compiled and intended for use with Apache. Includes news, features overview, free download, and documentation.

N Technology
Information on the Apache/Linux based server scripting tool N+.

Netorque
Server-side object-based HTML embedded scripting language. Supports regular expressions; has embedded database support and special short queries translated to SQL.

OpenSourceTutorials.com Server Side Tutorials
Open source server side tutorials written by geeks all around the world. Tutorials cover topics from beginner to advanced in PHP, Perl, Python.

ppC++
HTML-preprocessed C/C++ language which allows developers to write server-side programs in C++ embedded within HTML code.

QUISP (Quick Server Pages)
Line-oriented, procedural embedded language with full support for database, image, file manipulation.

RACE (Riverwatcher Active Content Environment)
A server-side scripting engine with database support for MySQL, Postgresql, and ODBC compliant servers.

ScriptBanana
A directory of ASP, ASP.NET, Perl, PHP books, scripts and components.

The Site Wizard
Articles and tutorials on HTML, ASP, JavaScript, PHP. Newsletters, books, website guides.

SMX (Server Macro Expansion)
Language allows HTML developers to embed macros which connect to databases, process forms, send mail, etc. BSD-style open source license.

TheScripts.Com - Server Side Scripting
Offers a compilation of FAQs, review articles, and how-to's on server-side scripting for popular scripting languages such as MIVA, Cold Fusion, ASP, JSP and PHP.

WebDNA Developers Network
An effort to expand the knowledgebase and promote greater usage of the WebDNA language.