PostCaster is a WordPress plugin that automatically publishes posts, including featured images, to Bluesky and Mastodon. It supports both site-wide and author accounts, with preview and override options for editorial workflows.
PostCaster sits in PulseGate's Social networks & creators category. It focuses on automating the sharing of WordPress posts to decentralized social networks to increase reach and engagement. PostCaster is a B2B product aimed at editorial sites and content creators using WordPress. PostCaster costs nothing to use. The product ships for the web.
Joost builds and maintains PostCaster, and the product first shipped in 2026. Across PulseGate's embedding index, PostCaster has few near neighbours, marking it as relatively distinct. Among its 5 catalogued features are auto-publish to Bluesky, auto-publish to Mastodon, and featured image support. The interface is available in German and English.
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