The best open source alternative to Buffer is Postiz. It's not free, so if you're looking for a free alternative, you could try PostyBirb+ or OpenPost. If that doesn't suit you, our users have ranked more than 100 alternatives to Buffer and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Buffer are Mixpost, Socioboard, Posthive and ShortiumPoppyLite.
AI social platform for automated scheduling across channels, built-in visual design with AI generation, cross-posting, collaboration features, integrated analytics, influencer marketplace, and audience-building tools to manage and optimize all social media workflows.
Israel
PostyBirb is an application that helps artists post art and other multimedia to multiple websites more quickly.
United States
Self-hosted solution for scheduling, organizing, and analyzing social media content across networks like Twitter, Facebook, and TikTok with no subscription fees, unlimited posts, collaborative team features, SaaS white-label support, and full user data control.
Moldova
Socioboard helps businesses and brands with a 360 degree social media lead generation, marketing, customer support and engagement automation platform.
United Kingdom
Open-source social media management platform for creating, scheduling, publishing and analyzing content across multiple social networks.
Portugal
EU
ShortiumPoppy Youtube Automation Program that manages multiple channels all at once uploading videos for you everyday, tracks quota usage, and grows your channels autopilot!.
AI-powered social media management tool for agencies and freelancers — manage all your clients, their brand voice, and content generation from just one dashboard.
SpainEU
Yeet is a free, open source browser extension that cross-posts between X (Twitter) and Threads in both directions. Write a post on one site as you normally would, and when you click Post or press Ctrl/Cmd+Enter, Yeet publishes the same post to the other site straight away.
India
AI content agent that turns one brief into on-brand videos, images and posts, then queues them for your approval before publishing.
Open-source social media scheduler for X, LinkedIn, Bluesky, Mastodon, TikTok, and YouTube. Tailor posts by network, manage threads, video, drafts, repeats, media, analytics, and teams, or schedule through its MCP server, REST API, or AI agent.
United Kingdom
