Developer platforms
Stage
Function
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Fly.io
1 Plenty for usersDeveloper hosting platform built on open container standards with transparent usage-based pricing; VC-backed but designed to avoid the proprietary lock-in that defines AWS and Vercel's moats.
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AWS
3 Cashing inCloud primitives at scale: egress fees, service sprawl, and enterprise discounts make migration costly once you’re deep.
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GitHub
3 Cashing inDefault forge for open source: Copilot, Actions minutes, and enterprise tiers monetize workflow lock-in.
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GitLab
2 Hard to leaveOpen-core DevOps platform: self-host option preserves some exit, SaaS still pushes seat-based upsell.
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Vercel
2 Hard to leaveFrontend cloud with stellar DX: usage-based billing and framework coupling can still surprise teams at scale.