Transfer a QGIS project on a server, Lizmap is providing the web interface to browse it
PHP Web Client to connect by SSH to another servers | New project at https://github.com/roke22/Laravel-ssh-client
cURL client
PHP implementation of SOAP 1.1 and 1.2 client specifications
A web client for Redmine. Currently aimed for time tracking across tasks and projects
[Abandoned] Web Git client using full stack Symfony2 with SSH/SFTP support
RESO Web API Open Source Reference Client written in PHP
Shared code for the MaxMind Web Service PHP client APIs
Recurly PHP Client