An open source Go backend in one file.

Caddy
caddyserver/caddy
An extensible multi-platform web server with automatic HTTPS.
- Active
- Apache-2.0
- Go

In short
Caddy is a GitHub project in the Backend category, written mainly in Go. It is released under the Apache-2.0 licence (permissive). Maintenance status: active, last commit 10 Nov 2026. It has 78,965 GitHub stars.
What it does
Maintenance
Active Commits in the last 30 days. Last commit: 10 Nov 2026 · Latest release: v2.11.9 · 5 Nov 2026. How we score this
Licence in plain words
Use, modify and sell it, including in closed-source products. Keep notices, state your changes, and you get an explicit patent grant.
A summary, not legal advice. Read the project's LICENSE file before relying on it. SPDX ↗
Caddy compared with alternatives
| Project | Stars | Licence | Status | Last commit |
|---|---|---|---|---|
| FastAPI | 104.7k | MIT | Active | 11 Nov 2026 |
| Caddy (this page) | 79k | Apache-2.0 | Active | 10 Nov 2026 |
| PocketBase | 61.6k | MIT | Archived | 26 Oct 2026 |
| Hono | 32.9k | MIT | Active | 11 Nov 2026 |
| bayarkit | — | MIT | Active | 7 Nov 2026 |
Same category, sorted by GitHub stars. Numbers checked 11 Nov 2026.
Questions
Is Caddy free and open source?
Yes. Caddy is published on GitHub under the Apache-2.0 licence (permissive). Use, modify and sell it, including in closed-source products. Keep notices, state your changes, and you get an explicit patent grant.
Is Caddy still maintained?
Active: the last commit was on 10 Nov 2026 and the latest release, v2.11.9, came out on 5 Nov 2026. Repoworthy rechecks this daily.
What is Caddy written in?
Caddy is mainly written in Go.
How popular is Caddy?
As of 11 Nov 2026, Caddy has 78,965 GitHub stars, 5,252 forks and 451 contributors.
What are some alternatives to Caddy?
Other Backend projects on Repoworthy include PocketBase, FastAPI, Hono and bayarkit.
Alternatives in Backend
Backend →A modern, fast web framework for building APIs with Python based on standard type hints.
A small, simple web framework built on Web Standards.
One interface for Malaysian payment gateways in TypeScript and PHP/Laravel.
Numbers from the GitHub API, checked 11 Nov 2026. Text summarised from the project's README. Spotted something wrong? Tell us.