Caldera is a social network for GitHub and Obsidian users: public GitHub repositories are transformed into a city view, Obsidian notes generate a personal homepage, journal, and activity data locally, and encrypted note sharing is supported.

Postiz is an open-source social media management tool that covers multi-platform scheduling, analytics, and AI-assisted content creation. With self-hosting support, teams can keep their data and account permissions under their own control, making it ideal for teams that value data sovereignty and technical capability.

Planable is a social media content planning tool designed for team collaboration, featuring a visual content calendar and approval workflow. Marketing teams can draft posts, gather feedback, conduct multi-level approvals, and schedule publishing—all in one place, reducing the back-and-forth communication overhead of chat tools.

Publer is a social media management tool that lets you schedule content, analyze data, and collaborate across multiple platforms from one place. Its built-in AI assistant helps generate post copy, while features like watermarking, bulk uploads, and best-time recommendations make it ideal for teams managing a multi-channel social media presence.