Application Libraries / Development Kits
- The Development Kit - C, C++, Perl, and Java, libraries as well as assorted documentation.
- FastCGI4D A Tango compatible FastCGI library for the D language
- Perl
- PHP
- Fastcgi for Ruby
- Python
- Jon Ribbens' multi-threaded 'servlet' interface - jonpy
- Peter Åstrand's multi-threaded module - thfcgi.py
- Andreas Jung's multi-threaded wrapper for fcgi.py - sz_fcgi.py
- Robin Dunn's improvements to Digicool's module - fcgi.py
- TCL - TCL
- Common Lisp
- Goanna Eiffel - The Goanna Eiffel project includes a native implementation of FastCGI for use with its web application libraries.
- Smalltalk
- Jeff Coffield's VMS module.