# Software Built with Fastify

> Browse 2 tools and SaaS products built with Fastify, ranked by the community.

Canonical: https://softwareontheweb.com/built-with/fastify

- [PostPeer](https://softwareontheweb.com/product/postpeer) - PostPeer is a social media API that lets you post, schedule, and manage content across Twitter/X, Instagram, YouTube, TikTok, Facebook, Pinterest, and more.
- [Mastra](https://softwareontheweb.com/product/mastra) - Build AI agents with TypeScript

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