Editorial take
Why it stands out
fasthttp connection limits differ from net/http—load-test before cutover.
Tool profile
High-performance Go web framework inspired by Express, built on top of Fasthttp for minimal memory allocation.
High-QPS JSON APIs in Go
Express-style ergonomics for Go: routing, middleware, and fasthttp-backed performance for APIs and microservices.
Fiber is MIT-licensed open source. You pay for compute and egress like any Go service—static binaries simplify containers but do not remove load balancer or DB bills.
fasthttp tradeoffs mean some net/http middleware assumptions differ—read Fiber’s compatibility notes before porting Express middleware blindly.
Quick fit
Editorial take
fasthttp connection limits differ from net/http—load-test before cutover.
What it does well
Primary use cases
Fit notes
Pricing snapshot
Fiber is MIT-licensed open-source software with no framework license fee. The software cost is $0, and spend comes from the infrastructure you run it on, such as containers, VMs, databases, load balancers, and observability tooling.

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