OpenStack Mistral

OpenStackIntegrationFree tier available

Workflow service with task DAGs, conditional branches, retries, and event-driven triggers — used for ops-automation pipelines (compliance audits, image rebuilds, scheduled tenant clean-ups) similar to Step Functions / Logic Apps / Workflows on the hyperscalers

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DocumentationPricing

Sub-services (3)

Workflows

DAGs of tasks with conditional branches and retries

Actions

Reusable building blocks invoking OpenStack APIs or external HTTP services

Cron Triggers

Time-based workflow scheduling

Tags

workfloworchestrationautomationopen-source

Equivalent services on other platforms

AWS Step FunctionsAWS

Visual workflow orchestration for distributed applications with Standard (long-running) and Express (high-volume) workflows, Amazon States Language (ASL), and 220+ service integrations

Azure Logic AppsAzure

Low-code workflow automation platform for integrating apps, data, and services across cloud and on-premises, with 1,000+ prebuilt connectors and visual designer

WorkflowsGCP

Serverless workflow orchestration for APIs and services with YAML-defined steps, connectors for GCP services, error handling and retries, parallel branches, and sub-workflow composition

Pricing

Pricing model:free