* [Argo Workflows v4.1.0](https://github.com/argoproj/argo-workflows) – Container-native workflow engine for orchestrating parallel jobs on Kubernetes.

* [Sandcastle v0.47.0](https://github.com/gizmax/Sandcastle) – Workflow orchestrator for AI agent pipelines defined in YAML, with multi-provider routing, integrations, and dashboard.

* [CEE v0.2.0](https://github.com/p0nymc1/cee) – CEE is a deterministic execution engine for agent workflows in Go, using an edge LLM for structured extraction and a deterministic state machine to drive steps.

* [AlpineFlow v0.2.2-alpha](https://github.com/getartisanflow/alpineflow) – Directive-driven flow diagram and node-graph engine for Alpine.js, enabling interactive flowcharts, visual editors, and diagram layouts with rich animations and controls.