3proxy vs Istio

A side-by-side comparison of two self-hosted reverse proxy & gateways options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
Feature3proxyIstio
CategoryReverse Proxy & GatewaysReverse Proxy & Gateways
LicenseBSD-3-ClauseApache-2.0
LanguageCGo
Setup difficultyMediumHard
Min. RAM16 MB1,024 MB
Deploymentbare-metal, source, dockerkubernetes, helm
GitHub stars★ 5,379★ 38,338
First released20022017
ReplacesSquidAWS App Mesh

Why pick each one

Choose 3proxy if…

  • Multi-protocol in one binary
  • Very small footprint
3proxy details

Choose Istio if…

  • Comprehensive feature set
  • Large ecosystem
Istio details

Frequently asked questions

Is 3proxy or Istio better?

Neither is universally better. Istio has the larger community, while 3proxy is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are 3proxy and Istio free and open-source?

Yes. 3proxy is licensed under BSD-3-Clause and Istio under Apache-2.0. Both can be self-hosted at no software cost.

Can I run 3proxy and Istio with Docker?

3proxy: yes. Istio: check the project docs for container support.

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