basicproxy is a very simple proxy server for accessing blocked websites. It only requests the file specified by the URL. Therefore, HTML pages show up with broken links, images, stylesheets, etc.
I'm on a 14-hour trip from Gaspé to Montreal and the bus WiFi is blocking Imgur.
basicproxy is built to be used on the Google App Engine. It's built in Go using Negroni. See the App Engine documentation for information on setting up your own version.