head to head · open source
caddy vs Modlishka
caddy has 78,984 GitHub stars, 5,252 forks, 286 open issues and last shipped yesterday. Modlishka has 5,443 stars, 960 forks, 1 open issues and last shipped 3 months ago. caddy leads on adoption by 1,351% (78,984 vs 5,443 stars). caddy is written in Go under Apache-2.0; Modlishka is written in Go under GPL-3.0. caddy has attracted 7% as many forks as stars, Modlishka 18%. caddy was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (reverse-proxy), 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
| caddy | Modlishka | |
|---|---|---|
| GitHub stars | ★ 79K | ★ 5.4K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Go | Go |
| Last push | 2026-11-11 | 2026-08-14 |
| Forks | ⑂ 5.3K | ⑂ 960 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick caddy if
- You weight community size — 79K 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 Modlishka if
- You want the Modlishka feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Go
- You evaluated both and Modlishka fits your workflow better
About caddy
a project Every site on HTTPS Caddy is an extensible server platform that uses TLS by default. Releases · Documentation · Get Help Powered by Special thanks to: Warp, built for coding with multiple AI agents Available for MacOS, Linux, & Windows Menu Features Install Build from source For development With version information and/or plugins Quick start Overview Full documentation Getting help About Features Easy configuration with the Caddyfile Powerful configuration with its native JSON config Dynamic configuration with the JSON API Config adapters if you don't like JSON Automatic HTTPS by default ZeroSSL and…
read the full caddy overview →
About Modlishka
..Modlishka.. Modlishka is an open source penetration testing tool that acts as a man in the middle proxy. It introduced a new technical approach to handling browser based HTTP traffic flow, which allows it to transparently proxy multi domain destination traffic, both TLS and non TLS, over a single domain, without requiring the installation of any additional certificate on the client. In 2019, Modlishka was the first publicly released research tool to demonstrate a novel Adversary in the Middle (AitM) technique capable of bypassing many common 2FA implementations — with the goal of raising awareness and…
read the full Modlishka overview →
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Frequently asked questions
Is caddy or Modlishka more popular?
caddy has 78,984 GitHub stars and Modlishka has 5,443. caddy has the larger community by that measure.
Are caddy and Modlishka free?
Both are open source. caddy is licensed under Apache-2.0 and Modlishka under GPL-3.0. Neither carries a licence fee.
What is the difference between caddy and Modlishka?
caddy is written in Go and Modlishka in Go. 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 Modlishka?
Choose caddy if you want the larger community (78,984 stars) or its Apache-2.0 licence terms. Choose Modlishka if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.