Private Gyazo Kit could build your only Gyazo (http://gyazo.com/) Server and Clients.
Private Gyazo server powered by node.js.
$ git clone git://github.com/hogelog/private-gyazo-kit.git
$ cd private-gyazo-kit
$ npm install
$ cp gyazo.conf.template gyazo.conf
edit gyazo.conf...
$ node gyazo.js
$ npm install forever -g
$ forever start gyazo.js
Build Private Gyazo clients require only node.js!
edit gyazo.conf...
$ cd client
$ node make.js
Gyazo-for-Linux: ../public/gyazo
Gyazowin: ../public/gyazowin.exe
Gyazo: ../public/gyazomac.zip
Distribute above built clients.
$ cp public/index.html.template public/index.html
edit index.html...