head to head · open source
caddy vs amnezia-client
caddy has 77,398 GitHub stars, 5,091 forks, 286 open issues and last shipped 2 days ago. amnezia-client has 15,351 stars, 1,183 forks, 1,126 open issues and last shipped yesterday. caddy leads on adoption by 404% (77,398 vs 15,351 stars). caddy is written in Go under Apache-2.0; amnezia-client is written in C++ under GPL-3.0. caddy has attracted 7% as many forks as stars, amnezia-client 8%. amnezia-client was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| caddy | amnezia-client | |
|---|---|---|
| GitHub stars | ★ 77K | ★ 15K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Go | C++ |
| Last push | 2026-10-05 | 2026-10-06 |
| Forks | ⑂ 5.1K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick caddy if
- You weight community size — 77K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick amnezia-client if
- You want the amnezia-client feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches C++
- You evaluated both and amnezia-client fits your workflow better
About caddy
Caddy is a Go based, Apache 2.0 licensed HTTP/1.1, HTTP/2, and HTTP/3 web server and reverse proxy that obtains and renews TLS certificates automatically by default, built for operators and teams who want every site on HTTPS without maintaining a separate certificate workflow.
read the full caddy overview →
About amnezia-client
Amnezia VPN Client is an open source, GPL 3.0 licensed VPN client for Windows, macOS, Linux, Android, and iOS that connects to a VPN and also deploys a self hosted VPN server onto hardware the user already controls.
read the full amnezia-client overview →
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Frequently asked questions
Is caddy or amnezia-client more popular?
caddy has 77,398 GitHub stars and amnezia-client has 15,351. caddy has the larger community by that measure.
Are caddy and amnezia-client free?
Both are open source. caddy is licensed under Apache-2.0 and amnezia-client under GPL-3.0. Neither carries a licence fee.
What is the difference between caddy and amnezia-client?
caddy is written in Go and amnezia-client in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, caddy or amnezia-client?
Choose caddy if you want the larger community (77,398 stars) or its Apache-2.0 licence terms. Choose amnezia-client if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.