Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
Paladin - Paladin is an influencer marketing platform, providing marketing tools for agencies and brands.
Anchor CMS - Free and lightweight blogging system
SocialBook - SocialBook is a top-notch influencer marketing software platform, providing leverage to you with the right campaigns and finding influencers that are within your budget and need.
Textpattern - Textpattern is an elegant content management system that is free, open source software.
Ninja Influence - Ninja Influence is a rich influencer marketing software, providing you with a robust software suite for tracking Influencer sales and conversion.