Crossplane is a Kubernetes-based control plane framework that functions as a cloud resource orchestrator and infrastructure-as-code platform. It enables the management of heterogeneous infrastructure by extending the Kubernetes API to provision and maintain external cloud services through declarative configuration. By utilizing custom resource controllers, it continuously reconciles the state of external infrastructure with defined desired states, ensuring consistent…
The main features of crossplane/crossplane are: Infrastructure API Definitions, Cloud Resource Orchestrators, Declarative Reconciliation Engines, Infrastructure Composition Tools, Infrastructure-as-Code Providers, Infrastructure Composition, Cloud Resource Managers, Cloud Infrastructure Management.
Open-source alternatives to crossplane/crossplane include: kubernetes-sigs/kro — kro is a Kubernetes resource orchestrator and API abstraction layer that enables the definition of simplified custom… argoproj/argo-workflows — Argo Workflows is a container-native workflow engine that functions as a Kubernetes custom resource controller. It… pulumi/pulumi — Pulumi is an infrastructure-as-code framework that enables the definition, deployment, and management of cloud… kubernetes-sigs/kubebuilder — Kubebuilder is a framework and set of scaffolding tools used to build Kubernetes APIs and controllers. It functions as… bitnami-labs/sealed-secrets — Sealed Secrets is a Kubernetes secret encryption tool and controller designed for GitOps security. It provides a… tektoncd/pipeline — Pipeline is a Kubernetes native CI/CD framework and cloud native pipeline orchestrator. It functions as a custom…
kro is a Kubernetes resource orchestrator and API abstraction layer that enables the definition of simplified custom API surfaces. It allows users to map high-level inputs to complex templates of underlying Kubernetes objects, effectively grouping interdependent resources into single, manageable units. The project differentiates itself by automating the generation of custom resource definitions and dedicated controllers from resource graph specifications without requiring manual Go code. It employs a dependency manager that uses directed acyclic graphs to coordinate the creation, readiness, a
Argo Workflows is a container-native workflow engine that functions as a Kubernetes custom resource controller. It orchestrates complex sequences of containerized tasks by executing them as directed acyclic graphs, allowing for dependency management and parallel processing within a cluster. The system extends the native Kubernetes control plane to manage the full lifecycle of automated processes, from initial triggering to final resource cleanup. The platform distinguishes itself through its controller-pattern reconciliation, which continuously monitors workflow states to align them with desi
Pulumi is an infrastructure-as-code framework that enables the definition, deployment, and management of cloud resources using general-purpose programming languages. It functions as a cloud resource orchestrator that coordinates the lifecycle of heterogeneous infrastructure by executing code to construct dependency graphs and reconciling the desired state against actual cloud environments. The platform distinguishes itself through a language-host runtime bridge that allows developers to use standard programming languages to define infrastructure, rather than relying solely on domain-specific
Kubebuilder is a framework and set of scaffolding tools used to build Kubernetes APIs and controllers. It functions as an operator framework that provides generators for custom resource definitions, admission webhooks, and RBAC manifests to extend cluster functionality. The project distinguishes itself through marker-based code generation, which parses source code comments to automatically produce Kubernetes manifests and boilerplate logic. It employs a hub-and-spoke versioning model to translate data between multiple API versions and uses a three-way merge strategy to automate project migrat