g3proxy 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?
g3proxy
Forward proxy server supporting proxy chaining, protocol inspection,
VS
Istio
Full-featured service mesh for traffic and security control
| Feature | g3proxy | Istio |
|---|---|---|
| Category | Reverse Proxy & Gateways | Reverse Proxy & Gateways |
| License | Apache-2.0 | Apache-2.0 |
| Language | Rust | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 512 MB | 1,024 MB |
| Deployment | bare-metal | kubernetes, helm |
| GitHub stars | ★ 889 | ★ 38,338 |
| First released | 2020 | 2017 |
| Replaces | — | AWS App Mesh |
Why pick each one
Choose g3proxy if…
- Released under the Apache-2.0 license
- Written in Rust
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is g3proxy or Istio better?
Neither is universally better. Istio has the larger community, while g3proxy is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are g3proxy and Istio free and open-source?
Yes. g3proxy is licensed under Apache-2.0 and Istio under Apache-2.0. Both can be self-hosted at no software cost.
Can I run g3proxy and Istio with Docker?
g3proxy: check the project docs for container support. Istio: check the project docs for container support.