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Fly.io vs Vercel tech stack

Fly.io and Vercel share 3 tools. 2 appear only for Fly.io, and 10 appear only for Vercel.

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Only Fly.io · 2

• Fly.io Global application hosting.
• PostgreSQL Relational database.

Both · 3

• Cloudflare CDN, DNS, WAF, and edge network.
• GitHub Source control and CI.
• Stripe Payments, billing, and subscriptions.

Only Vercel · 10

• Datadog Infrastructure and application monitoring.
• Next.js React framework for the web.
• Notion Docs, notes, and wikis.
• OpenAI Model APIs for chat, embeddings, and agents.
• React UI library.
• Sentry Error and performance monitoring.
• Slack Team chat.
• Tailwind CSS Utility CSS.
• Turborepo Build system for JavaScript monorepos.
• Vercel Frontend cloud and application hosting.