マックのsubethaeditもドイツ発だけれどもgobbyもドイツ発の共同作業エディタ。 Gobby is a free collaborative editor based on libobby, a library which provides synced document buffers. It supports multiple documents in one session and a multi-user chat. It runs on Microsoft Windows, Mac OS X, Linux and other Unix-like platforms. http://gobby.0x539.de/screenshots.html http://www.codingmonkeys.de/subethaedit/