Amazon EC2
7.6#1 in infrastructure as a service (iaas) softwareFree planFree planAndroidiOSWebAPI
VisitAmazon EC2 vs OpenStack Barbican
OpenStack Barbican
6.1#3 in key management softwareFree planFree planAPILinuxSelf-hosted
VisitWhat both publish
| Fact | Amazon EC2 | OpenStack Barbican |
|---|---|---|
| API | EC2 exposes an HTTP or HTTPS Query API using GET or POST requests with an Action parameter. | The barbican-api service provides an OpenStack-native REST API for provisioning and managing secrets. |
| Integrations | G2 reviewers identify integrations with VPC, S3, CloudWatch, IAM and Auto Scaling as common parts of EC2 deployments. | Documented secret-store plugins include KMIP, Dogtag, and Vault, alongside PKCS#11 crypto plugins. |
| Purpose | Amazon EC2 provides resizable, secure compute capacity as virtual servers in the cloud. | Barbican is the OpenStack Key Manager service for secure storage, provisioning, and management of secrets such as keys, certificates, passwords, and raw binary data. |
Amazon EC2 plans
- AWS Free Tier credits for EC2Free
- Free TierFree
- Reserved Instances—
- Savings Plans—
- Spot Instances—
- On-Demand Instances—
OpenStack Barbican plans
- Open source BarbicanFree
Pick Amazon EC2 if…
EC2 suits teams needing configurable cloud compute for the listed application, enterprise, or specialist workloads. Its instance choice, scaling options, and storage integrations may also fit deployments with changing capacity needs.
Pick OpenStack Barbican if…
Barbican suits OpenStack operators who need secret management through an API and can configure its plugins and deployment requirements. It is relevant where software stores or HSM-backed secret storage are needed.