Kong Gateway vs OpenResty
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?
Kong Gateway
Cloud-native, fast, scalable API gateway
VS
OpenResty
Scalable web platform extending Nginx with Lua
| Feature | Kong Gateway | OpenResty |
|---|---|---|
| Category | Reverse Proxy & Gateways | Reverse Proxy & Gateways |
| License | Apache-2.0 | BSD-2-Clause |
| Language | Lua | C |
| Setup difficulty | Medium | Hard |
| Min. RAM | 512 MB | 128 MB |
| Deployment | docker, kubernetes, helm | docker, binary, bare-metal |
| GitHub stars | ★ 43,947 | ★ 13,988 |
| First released | 2015 | 2011 |
| Replaces | AWS API Gateway, Apigee | Nginx |
Why pick each one
Choose Kong Gateway if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Mature project with 43.9k GitHub stars
Choose OpenResty if…
- Released under the BSD-2-Clause license
- First-class Docker support for quick deployment
- Mature project with 14k GitHub stars
- Written in C
Frequently asked questions
Is Kong Gateway or OpenResty better?
Kong Gateway is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider OpenResty if its specific feature set fits your needs better.
Are Kong Gateway and OpenResty free and open-source?
Yes. Kong Gateway is licensed under Apache-2.0 and OpenResty under BSD-2-Clause. Both can be self-hosted at no software cost.
Can I run Kong Gateway and OpenResty with Docker?
Kong Gateway: yes. OpenResty: yes.