MarsEdit - MarsEdit is a desktop blog editing application for the Mac. It provides an offline interface to most popular blogging systems. WordPress, Blogger, Tumblr, Movable Type, and many other systems are supported.
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
BlogDesk - Blogging should be simple, but it gets complicated and time-consuming if you are serious about it.
LibreOffice - Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.
Open Live Writer - Open Live Writer makes it easy to write, preview, and post to your blog.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online