Private blogging system with markdown editing and built in RSS reader. (Demo, Source Code) MIT Ruby
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An efficient (micro)blogging service that you can self-host
Serendipity (s9y) is a highly extensible and customizable PHP blog engine using Smarty templating. (Source Code) BSD-3-Clause PHP
XML-based blog/CMS platform. (Source Code) GPL-3.0 PHP
Podcast management hosting platform that includes the latest podcast 2.0 standards, an automated Fediverse feed, analytics, an embeddable player, and more. (Source Code) AGPL-3.0 PHP/Docker