Dev tools · alternatives · 2026

24 alternatives to UnoSSL

Free SSL for one or multiple domains, supporting wildcards!

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

1FS
Free SSL Certificates▲27
Free SSL certificates issued in less than a minute, for one or multiple domains, supporting wildcards and ACME with tutorials.
2015 · sslforfree.com · its alternatives →
2
TinyCert▲237
Free SSL certificates for your startup.
2014 · tinycert.org · its alternatives →
3
Acme-tiny, a tiny 200-line Let's Encrypt client▲280
A tiny script to issue and renew TLS certs from Let's Encrypt - diafygi/acme-tiny
2015 · github.com · its alternatives →
4
ZeroSSL: FREE SSL▲9
Free SSL Certificates and Free SSL Tools for your website.
2017 · zerossl.com · its alternatives →
5
NakedSSL▲154
Hassle-free SSL clothes for your naked domains.
2018 · nakedssl.com · its alternatives →
6
Secure My Website▲245
A pain-free service to add SSL to your site, for non-geeks
2018 · sharphue.com · its alternatives →
7
Kilo SSL Pro▲80
Multi-Instance SSL certificate management system
2021 · docs.kilossl.com · its alternatives →
8AR
Anchor Relay – A faster, easier way to get Let's Encrypt certificates▲80
From the cryptic terminal commands to the innumerable ways to shoot yourself in the foot, I always struggled to use TLS certificates. I love how much easier (and cheaper) Let's Encrypt made it to get certificates, but there are still plenty of things to struggle with. That's why we built Relay: a free, browser-based tool that streamlines the ACME workflow, especially for tricky setups like homelabs. Relay acts as a secure intermediary between your ACME client and public certificate authorities like Let's Encrypt. Some ways Relay provides a better experience: - really fast, streamlined…
2025 · anchor.dev · its alternatives →
9MS
My side project that grew - cheap SSL certificates▲36
2013 · getssl.me · its alternatives →
10
Parsslio▲7
Free, Simple and Secure SSL certificates for all
2020 · parsslio.com · its alternatives →
11
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 →
12SO
Staticland – Open source static site hosting with SSL via Let's Encrypt▲180
2016 · static.land · its alternatives →
13
StartSSL▲6
Free to affordable SSL certificates for your website & apps
2015 · startssl.com · its alternatives →
14
Comodo PremiumSSL Wildcard▲2
Secure primary domain and all subdomains
2023 · cheapsslweb.com · its alternatives →
15
Kilo SSL▲126
Automatic SSL management solution for SaaS providers
2020 · docs.kilossl.com · its alternatives →
16
SSL Remind▲63
Never forget to renew your SSL certificates
2020 · sslremind.com · its alternatives →
17
AlphaSSL Wildcard SSL▲1
AlphaSSL Wildcard SSL at low price
2020 · comparecheapssl.com · its alternatives →
18
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 →
19
Wildcard SSL Certificates▲1
Wildcard SSL Certs: Secure Website with Multiple Sub-Domains
2023 · certera.com · its alternatives →
20
Wildcard SSL Certificates▲2
Secure One Primary Domain Name and Unlimited Subdomains
2023 · cheapsslweb.com · its alternatives →
21
haveibeenexpired▲68
No more expired SSL certificates
2021 · haveibeenexpired.com · its alternatives →
22
PositiveSSL Multi Domain Wildcard▲3
Secure Unlimited Domains and Subdomains
2023 · cheapsslweb.com · its alternatives →
23
Free Certificate Monitoring via RSS▲120
2024 · raphting.dev · its alternatives →
24
Comodo EssentialSSL Wildcard▲2
Secure Primary Domain and Unlimited Subdomains
2023 · cheapsslweb.com · its alternatives →

Also compare

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 →