Goutte

https://github.com/FriendsOfPHP/Goutte

Retrieve data from remote site

GoogChart

https://code.google.com/p/googchart/

Drawing Charts

GifCreator

https://github.com/Sybio/GifCreator

Php Libraries for GEO data

https://github.com/mjaschen/phpgeo

http://geocoder-php.org/Geocoder/

Purl

https://github.com/jwage/purl

Use for  working  with URL

Snappy

https://github.com/KnpLabs/snappy

Do Snapshot of Web sites URLS

 

Unirest

http://unirest.io/php.html

For working with  DELETE, PATCH, GET  POST

IniScan

https://github.com/psecio/iniscan

Work with ini files

PHP Captcha

http://www.ejeliot.com/pages/2

Generate diffrent type of Captcha

Tcpdf

http://www.tcpdf.org/

Create PDF files

HtmlPurifier

http://htmlpurifier.org/

XSS attack defend and filter

Detector

https://github.com/dmolsen/Detector

Detect information from Users Browsers