CVS is a version control system, an important component of source configuration management (SCM).

Subversion is meant to be a better CVS, so it has most of CVS's features.

eAccelerator is a further development from mmcache PHP Accelerator & Encoder. It increases performance of PHP scripts by caching them in compiled state, so that the overhead of compiling is almost completely eliminated.

TortoiseCVS lets you work with files under CVS version control directly from Windows Explorer.

This tool was designed to enable collaborative code review.

Dotgeek is a free PHP5 hosting community; it is the first of its kind.

Creates a two column layout with both a header and a footer. Outputs tableless code.

PHPXref is a developer tool that makes it very fast and easy to browse code documentation along with the code itself. It works by scanning a directory and translating the files it finds into readable cross-referenced HTML.

phpMyBackup Pro is a free, very easy to use, web-based MySQL backup application. You can create scheduled backups, manage and restore them, download or email them and do a lot more!

Grinding out code is what code generation is best at and this list of code generators is helpful if you're looking to build high quality PHP code quickly.

Interactive shell for PHP5.

PHPsh (PHP shell) allows you to have shell commands run on your behalf by any webserver which serves PHP pages.

OCRIG is a free php-based proxy.

Spike PHPCoverage is a tool for measuring and reporting code coverage for PHP applications. It instruments code, records, and displays line coverage in multiple formats.

phpUnderControl is an addon application for the continuous integration tool CruiseControl, which integrates some of the best PHP development tools. This project aims to make your first steps with CruiseControl and PHP as easy as possible.

PhpCommander is a web-based file manager that manage your web acount without any FTP access.

Format your PHP code with this free tool.

PHP Proxy is a web HTTP proxy designed to bypass proxy restrictions through a web interface very similar to the popular CGIProxy.

BackupSQL Studio is a database backup utility. It includes such features as backup archive compression, encryption, scheduling, notifications, and more.

A free PHP based proxy.