Kanboard看板系统

https://github.com/fguillot/kanboard

PHP之依赖注入容器pimple
https://github.com/silexphp/Pimple
SplObjectStorage类

SimpleLogger
Syslog and Text files
https://github.com/fguillot/simpleLogger

SimpleValidator
https://github.com/fguillot/SimpleValidator

iCal iCalendars
https://github.com/markuspoerschke/iCal

Base32
https://github.com/NTICompass/PHP-Base32