There are no restrictions on image hosting. Only maximum size per upload is 4MB.

Nucelo offers better design than BearBlog and Mataroa. There is a WYSIWYG editor in Notion style as the content editor. With this, you can write format your writing easily. You can also connect your domain and use it as a personal website. You can share your projects and lock them if you would like. There is also a Bookmarks section where you can share the links you find useful and analyze clicks, from which country they were clicked, etc.. However, this will be in the paid plan.