head to head · open source
traefik vs Kathara
traefik has 65,066 GitHub stars, 6,224 forks, 939 open issues and last shipped 3 days ago. Kathara has 645 stars, 86 forks, 16 open issues and last shipped yesterday. traefik leads on adoption by 9,988% (65,066 vs 645 stars). traefik is written in Go under MIT; Kathara is written in Python under GPL-3.0. traefik has attracted 10% as many forks as stars, Kathara 13%. Kathara was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (docker, kubernetes), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| traefik | Kathara | |
|---|---|---|
| GitHub stars | ★ 65K | ★ 645 |
| License | MIT | GPL-3.0 |
| Written in | Go | Python |
| Last push | 2026-10-02 | 2026-10-04 |
| Forks | ⑂ 6.2K | ⑂ 86 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick traefik if
- You weight community size — 65K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick Kathara if
- You want the Kathara feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and Kathara fits your workflow better
About traefik
Traefik — pronounced traffic — is "The Cloud Native Application Proxy": an MIT licensed, Go based HTTP reverse proxy and load balancer that watches your orchestrator or service registry and generates its own routes, aimed at teams running microservices on Docker, Swarm, Kubernetes, Consul, Etcd, Rancher v2, or Amazon ECS.
read the full traefik overview →
About Kathara
Kathará is a lightweight, container based network emulation system for network engineers, students, and researchers who need to build, test, and demonstrate virtual networks on Docker or Kubernetes.
read the full Kathara overview →
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Frequently asked questions
Is traefik or Kathara more popular?
traefik has 65,066 GitHub stars and Kathara has 645. traefik has the larger community by that measure.
Are traefik and Kathara free?
Both are open source. traefik is licensed under MIT and Kathara under GPL-3.0. Neither carries a licence fee.
What is the difference between traefik and Kathara?
traefik is written in Go and Kathara in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, traefik or Kathara?
Choose traefik if you want the larger community (65,066 stars) or its MIT licence terms. Choose Kathara if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.