Pinry - Pinry is a private, self-hosted, Pinterest inspired by Wookmark and built on top of Django.
Exposure - Turn your pictures into art.
Shareist - Shareist is a content marketing platform to plan, research, publish, and share social media posts.
Known - Publish blog posts, photos and media to your own site, and syndicate it to your social networks. Keep everything on your own site.
Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
ClassicPress - The WordPress fork. No Gutenberg. Great future!