Some guidance for a blogging client for Fedora?

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I am looking for a blogging client for wordpress and blogger. I prefer to edit my content offline and then post it online. So I wonder if somebody can recommend to me a blogging client that just works. So far I have not been able to find one that works. They simply don't work. Using your own offline editor for your blog is important as you can avoid for example enabling non-free javascript that is used in sites like blogger for example. Or if somebody has another way to tell me how to write a blogg offline and then immediately export it offline please tell me. I am not talking about writing it in libreoffice and copy - pasting it. Thanks, Ervin