PostOnce

PostOnce is a social media crossposting and scheduling tool. Post once and auto-publish to TikTok, Instagram Reels, YouTube Shorts, Facebook, LinkedIn, X and Bluesky. 17 integrations (Google Drive, Canva, Dropbox, Zapier, Make, n8n), REST API and MCP server for ChatGPT and Claude. 7-day free trial; Creator $29/mo, Pro $69/mo.