open source marketing Tools

1 best open source marketing tools and apps, curated and ranked by community upvotes on ProductCool. Updated daily as new open source marketing products launch.

Post by FreeSurf

Free social media cross-poster for 8+ platforms

social media managementcross-posting toolcontent schedulersocial media API

Post to everywhere. From one place. Free social media poster powered by FreeSurf — Bluesky, X, LinkedIn, Facebook, Instagram, Threads, TikTok, and YouTube. Free web & API with mobile app coming soon.

2026-09-05

open source marketing Tools

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