Sectigo alternatives
3 tools that do a similar job to Sectigo, compared on the things that usually decide the switch: price, free plan, API and platforms.
- 1L
Free, automated TLS certificates for any website from a nonprofit CA
Free planHas an API - 2Z

Free and paid SSL certificates with ACME automation, REST API and site scans
Free planHas an API - 3CCloudflareDDoS protection & WAF
Global network for CDN, DDoS protection, Zero Trust and serverless compute
Free plan
Side-by-side comparison
| Tool | Price | Free plan | API | Open source | Platforms | |
|---|---|---|---|---|---|---|
| S | Free trial | Web | ||||
| L Let's Encrypt | Free | API | vs Sectigo | |||
| Z | Free · from $14.99/mo | Web, API | vs Sectigo | |||
| C Cloudflare | Free · from $5/mo | Web | vs Sectigo |