• http://planet-php.net
• http://phppatterns.com
• http://phpdeveloper.org
• http://enterprise.phpmagazine.net/

• http://www.phparch.com - their news feed contains links to new PHP articles, new PECL, PEAR and phpclasses.org releases and details of (mostly American) PHP events

• http://podcast.phparch.com/main/index.php/main - PHP Architects Pro Podcast - news summary and interviews.

• http://www.php-mag.net - International PHP magazine

(preferably free ones)

• http://www.enterprisegroupwaresystem.org - PHP based, CRM, ERP, Project Management and Ticketing System (amongst other things) managed by Senokian Solutions
• http://smarty.php.net - the Smarty templating system
• http://templatelite.sourceforge.net/ - Lightweight template system compatible with Smarty
• http://phplens.com/adodb/ - comprehensive Database abstraction layer
• http://www.lastcraft.com/simple_test.php - The SimpleTest UnitTesting system
• http://www.phpunit.de/ - Another UnitTesting system

• http://www.eclipse.org/php/ - Eclipse PHP project (Zend's one, not PHPEclipse)
• http://www.phpeclipse.de/ - Another Eclipse PHP project (the original!)
• http://www.xdebug.org/ - XDebug debugging and profiling extension
• http://dd.cron.ru/dbg/ - DBG debugger and profiler

• http://www.phplondon.org - PHP London
• http://www.phpclasses.org/browse/country/uk/ - PHP Classes maintain a list of usergroups

• http://wolveslug.org.uk Wolverhampton Linux User Group
• http://sb.lug.org.uk South Birmingham Linux User Group
• http://birmingham.pm.org Birmigham Perl Mongers (User Group)
• http://www.covlug.org.uk - Coventry Linux User Group
• http://www.pywm.eu/pug - West Midlands Python User Group
• http://www.geekup.org - Web Developers etc from around Manchester and the North West of the UK.