KeyTalk CKMS
7.7#2 in public key infrastructure softwareFrom €5 a monthAndroidiOSWebAPI
VisitKeyTalk CKMS vs Let's Encrypt
Let's Encrypt
7.6#3 in public key infrastructure softwareFree planFree planWebAPILinuxmacOS
VisitWhat both publish
| Fact | KeyTalk CKMS | Let's Encrypt |
|---|---|---|
| API | The product exposes client and administrator REST APIs using JSON over TLS and publishes an OpenAPI specification. | The production ACME directory endpoint is https://acme-v02.api.letsencrypt.org/directory and a separate staging endpoint is provided for testing. |
| Company size | LinkedIn lists KeyTalk at 11–50 employees. | LinkedIn lists ISRG as having 11–50 employees. |
| Headquarters | Amersfoort, Netherlands | LinkedIn lists San Francisco, California as ISRG headquarters. |
| Integrations | Documented integrations include Microsoft Intune, MobileIron, VMware Workspace ONE, JAMF, RADIUS, LDAP, MySQL and HSMs. | Hosting providers can obtain and manage certificates for customers through their own ACME clients. |
| Self-hosting | Customers can install the OVF/VMDK appliance on VMware ESXi or launch the CKMS AMI from AWS. | Boulder can be adapted to operate an internal, non-publicly-trusted ACME certificate authority, although its maintainers say it is often not the right production fit for organizations evaluating it. |
| Support | KeyTalk says it offers customers 24/7 support. | Let’s Encrypt does not offer direct subscriber support and points users to its documentation and community support forums. |
KeyTalk CKMS plans
- S/MIME on-premise€5 a month
- S/MIME hosted SaaS€6.50 a month
- CKMS 10,000–24,999 seats—
- CKMS 1,000–2,499 seats—
- CKMS 25,000–49,999 seats—
- CKMS 2,500–9,999 seats—
Let's Encrypt plans
- Let's Encrypt certificatesFree
- Short-lived certificatesFree
Pick KeyTalk CKMS if…
It suits businesses and managed service providers that need to manage certificates across their own infrastructure or customer environments. The S/MIME options may suit organizations seeking either on-premise or hosted service.
Pick Let's Encrypt if…
Let's Encrypt serves people and organizations worldwide who need certificates for domain-named web, mail, or FTP servers. It suits users able to manage certificates through ACME clients and consult documentation or community forums when needed.