Chat++ is an all-in-one Chatwork Enhancement Toolkit.
It is a free extension for Chrome and Firefox which provides more funny emoticons as well as many other features for Chatwork.
Github++ is a Chrome extension which provides an esay way to link your ticket number in Commit Name or Pull Request Name in Github to Redmine, Asana …
Simple Fuzzy Search for PHP
Chatwork SDK for PHP
Just a non-official Chatwork SDK for PHP. It may not work when Chatwork updates their APIs in the feature. (However, I will try to cover all the changes from Chatwork. If something goes wrong, please let me know)
BiasRandom for PHP
Random elements with the specific bias.