Well interesting, not the first, won't be the last. I am using ownCloud on my own server for things, that are not that mission-critical and I am using git on m

Well interesting, not the first, won't be the last. I am using ownCloud on my own server for things, that are not that mission-critical and I am using git on my own server for private repos. What is left, is some kind of alternative (selfhosted, open source) for google docs. Some alternative for a spreadsheat and some text-document, editable via a browser.