toolgrep / Security / Test TLS
Alternatives to Test TLS
Test TLS: Test a TLS server on any port. 8 products similar to Test TLS, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 3 of 8 have an API, 1 of 8 offers an MCP server.
- SSL Server Test
Free online SSL test for public web servers
- WebSitePulse
Website and server monitoring with free test tools
- CertPost
SSL certificate monitoring for teams and agencies
- Internet.nl
Test for modern Internet Standards like IPv6, DNSSEC, HTTPS, DMARC, STARTTLS and DANE.
- HTTP Observatory
HTTP header security test by Mozilla
- Socket
Developer-first software supply chain security platform
- HostedScan
Online vulnerability scanning platform
- CertObserver
Certificate Transparency search with grouped results
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Test TLS | Free | yes | — | no | — | — |
| SSL Server Test | Free | yes | — | no | — | — |
| WebSitePulse | Freemium · from 3.00 | yes | — | no | — | no |
| CertPost | Freemium · from $0 | yes | yes | no | no | no |
| Internet.nl | Free | yes | — | no | — | — |
| HTTP Observatory | Free | yes | — | — | — | — |
| Socket | Freemium · from $0 | yes | yes | yes | yes | no |
| HostedScan | Freemium · from $39 | yes | yes | no | no | no |
| CertObserver | Freemium · from $9/month | yes | no | no | no | no |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/test-tls/alternatives