Dev tools · alternatives · 2026

24 alternatives to Caddy 2

Open source web server with automatic HTTPS written in Go

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Caddy 2 launched in 2020; newer entries below may have overtaken it.

1. 1C2
   Caddy 2▲778

   Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go

   2020 · caddyserver.com · its alternatives →

2. 2
   Caddy, a cross-platform HTTP/2 web server▲208

   Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go

   2015 · caddyserver.com · its alternatives →

3. 3
   Caddy-SSH▲280

   Caddy-SSH is a general-purpose, memory-safe SSH server built in Go

   2022 · caffeinatedwonders.com · its alternatives →

4. 4
   Caddy v2.5.0▲269

   Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS - Release v2.5.0 · caddyserver/caddy

   2022 · github.com · its alternatives →

5. 5DH
   Detecting HTTPS Interception▲8

   Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go

   2017 · caddyserver.com · its alternatives →

6. 6
   CertMagic – Caddy's automagic HTTPS features as a Go library▲33

   Automatic HTTPS for any Go program: fully-managed TLS certificate issuance and renewal - caddyserver/certmagic

   2018 · github.com · its alternatives →

7. 7
   CaddyGen▲7

   Caddy config generator

   2025 · caddygen.site · its alternatives →

8. 8
   Golang DNS server, including DNSSEC and DNS-over-TLS▲283

   Recursive and authoritative DNS server in go, including DNSSEC and DNS-over-TLS - tenta-browser/tenta-dns

   2017 · github.com · its alternatives →

9. 9
   Open-source API Key server written in Go by Ory▲35

   Web-scale and security-hardened API key server for users, services, machine to machine, and AI agents. Token derivation brings fine-grained capability tokens to avoid common API key pitfalls. Apache2 open source for indie deployments, commercial for scalable and HA. - ory/talos

   Jun 2026 · github.com · its alternatives →

10. 10
    Crawly▲234

    Uptime, performance, SSL certificate and asset monitoring.

    2018 · its alternatives →

11. 11
    A toy version of Wireshark (student project)▲265

    Hi everyone, I recently published a small open-source project. It’s a minimal network packet analyzer written in Go — designed more like a learning toy than a replacement for Wireshark. It currently supports parsing basic protocols like TLS, DNS, and HTTP, and includes a tiny fuzzing engine to test payload responses. You can inspect raw packet content directly from the terminal. The output is colored for readability, and the code structure is kept simple and clear. The entire program is very small — just about 400 lines of Go code. I know it’s not anywhere near Wireshark’s level, and I still…

    2025 · github.com · its alternatives →

12. 12
    FrankenPHP, an app server for PHP written in Go▲368

    FrankenPHP is a new app server for PHP apps (built on top of Caddy) and a library to embed the PHP interpreter in Go web servers.

    2022 · frankenphp.dev · its alternatives →

13. 13
    Pinggy▲282

    Public URLs for localhost without downloading any binary

    2024 · pinggy.io · its alternatives →

14. 14GS
    GoPee – Simple, Self-Hosted Web Proxy in Go▲70

    2015 · gopee.herokuapp.com · its alternatives →

15. 15CS
    CMS Server written in Go (alpha)▲61

    2013 · bytengine.com · its alternatives →

16. 16
    Self-Hosted HTTPS Tunnel in 300 LoC with Go, Caddy, and Cloudflare▲10

    TL;DR: I built a lightweight, self-hosted HTTP tunnel that turns localhost into a public HTTPS URL. No paid plans, no secret black boxes. Just one Go binary, Caddy with wildcard TLS, and a $0/month Oracle Cloud VM. GitHub repo Why I Built It My development workflow lives mostly on a free Oracle Clou

    2025 · nexo.sh · its alternatives →

17. 17
    Lego – A Let's Encrypt Library and CLI in Go▲93

    Let's Encrypt/ACME client and library written in Go - go-acme/lego

    2015 · github.com · its alternatives →

18. 18
    A HTTP2 web server with auto SSL certificate, Zero-Configuration▲16

    A HTTP3 web server for reverse proxy and single page application, automatically apply for ssl certificate, Zero-Configuration. - txthinking/nico

    2020 · github.com · its alternatives →

19. 19
    Easy-to-configure Web Server in Go▲106

    2013 · github.com · its alternatives →

20. 20LS
    log-shuttle – log delivery over HTTPs written in Go▲71

    2013 · log-shuttle.io · its alternatives →

21. 21
    Encrypted VPN in 2k lines of Go▲123

    Simple, auditable & elegant VPN, built with TLS mutual authentication and TUN. - twitchyliquid64/subnet

    2017 · github.com · its alternatives →

22. 22
    A Go Library for Better Access Control▲158

    A SDK for access control policies: authorization for the microservice and IoT age. Inspired by AWS IAM policies. Written for Go. - ory/ladon

    2017 · github.com · its alternatives →

23. 23SD
    SSL Decoder – An open-source alternative for the SSL Labs server test▲160

    2015 · tls.so · its alternatives →

24. 24
    A little web server in C▲178

    A little web server written in C for Linux. Supports: CGI, Reverse Proxy. Single threaded using I/O multiplexing (select).

    2023 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →