Top Open Source Workflow Orchestration Tools in 2026
A curated collection of the 14 best free and open-source Workflow Orchestration tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.
Mage
Open-source data pipeline orchestrator for analytics and AI
Stars8,814Last commit24d agoLicenseApache-2.0Inngest
Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.
Stars5,766Last commit11d agoLicenseOpen SourceWindmill
Code-first platform for internal software
Stars17,693Last commit10d agoLicenseOpen SourceTracecat
Open source SOAR for AI-native security teams
Stars3,780Last commit11d agoLicenseAGPL-3.0
Trigger
Open source platform for AI workflows in TypeScript
Stars16,137Last commit10d agoLicenseApache-2.0Terrateam
GitOps-native infrastructure orchestration for Terraform
Stars1,269Last commit10d agoLicenseMPL-2.0Temporal
Open source durable execution platform for resilient apps
Stars22,559Last commit11d agoLicenseMITPrefect
Open-source workflow orchestration for data and AI
Stars23,696Last commit11d agoLicenseApache-2.0Kestra
YAML-based orchestration platform with 1400+ plugins for running data pipelines, AI workflows, and infrastructure automation across teams at scale.
Stars27,933Last commit10d agoLicenseApache-2.0Giselle
Visual AI app builder for product teams
Stars553Last commit1mo agoLicenseApache-2.0
Bacalhau
Run compute jobs where data lives
Stars870Last commit14d agoLicenseApache-2.0Digger
Open-source CI/CD orchestrator for Terraform with pull request automation, drift detection, and enterprise-grade security. Self-hostable with private runners.
Stars5,032Last commit1mo agoLicenseMIT
Automatisch
Open source Zapier alternative
Stars13,948Last commit7mo agoLicenseOpen Source
n8n
AI-powered workflow automation platform
Stars202,578Last commit10d agoLicenseOpen Source
