One of the developers here. The github repo is not linked in the blog, but you can find the code here: https://github.com/kogmbh/webodf/ https://github.com/kogm

One of the developers here. The github repo is not linked in the blog, but you can find the code here: https://github.com/kogmbh/webodf/ https://github.com/kogmbh/webodf/ WebODF.js is can run entirely from your own server so there's no need to depend on 3rd party services. Happy to answer any questions!