Istio vs sish
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?
Istio
Full-featured service mesh for traffic and security control
VS
sish
HTTP(S)/WS(S)/TCP tunnels to localhost using only SSH (serveo/ngrok
| Feature | Istio | sish |
|---|---|---|
| Category | Reverse Proxy & Gateways | Reverse Proxy & Gateways |
| License | Apache-2.0 | MIT |
| Language | Go | Go |
| Setup difficulty | Hard | Medium |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | kubernetes, helm | docker |
| GitHub stars | ★ 38,338 | ★ 4,690 |
| First released | 2017 | 2026 |
| Replaces | AWS App Mesh | — |
Why pick each one
Choose sish if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Active community (4.7k GitHub stars)
- Written in Go
Frequently asked questions
Is Istio or sish better?
Neither is universally better. Istio has the larger community, while sish is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Istio and sish free and open-source?
Yes. Istio is licensed under Apache-2.0 and sish under MIT. Both can be self-hosted at no software cost.
Can I run Istio and sish with Docker?
Istio: check the project docs for container support. sish: yes.