Platform engineering & developer portals

Backstage

backstage/backstage

Popular

Spotify's framework for developer portals: software catalog, templates, TechDocs and a plugin ecosystem.

Port

port.io

Rising

SaaS internal developer portal with a flexible catalog, scorecards, self-service actions and AI agents.

Coder

coder/coder

Self-hosted cloud development environments defined in Terraform; also hosts AI coding agents.

Humanitec

humanitec.com

Platform orchestrator that generates app and infrastructure configs dynamically for internal developer platforms.

Kratix

syntasso/kratix

Framework for building platforms from Promises: declarative contracts for as-a-service offerings on Kubernetes.

Crossplane

crossplane/crossplane

Kubernetes control plane that provisions and composes cloud resources through custom APIs (CRDs).

KubeVela

kubevela/kubevela

CNCF application delivery platform based on the Open Application Model (OAM) for multi-cluster apps.

Score

score-spec/spec

CNCF workload spec: describe an app once and translate it to Docker Compose, Helm or Kubernetes manifests.