Flux CD
CNCF GitOps toolkit, initially from Weaveworks.
Definition
Flux v2 (August 2021) completely rewritten on Kubernetes Operators and GitOps Toolkit. Source Controller (GitRepository, HelmRepository, OCIRepository, Bucket). Kustomize Controller (Kustomization CRD). Helm Controller (HelmRelease CRD). Image Automation for automatic deploy on new image tag. Strong integration with FluxCD Notifications + Argo Rollouts.
Origin
Weaveworks Flux v1 2017 (Alexis Richardson coined the GitOps term), v2 2021, CNCF Graduated December 2022, Weaveworks shutdown 2024.
Usage
Direct competitor of Argo CD. Strength among organizations preferring modular toolkit architecture.