Open Source Workflow Orchestration Tools using CSS
A curated collection of the best open source platforms for defining, executing, and monitoring complex workflows. using CSS.
Visual workflow automation with code flexibility and AI agents
Stars
201,354Last commit
9 hours agoLicense
Unknown
Build automated workflows connecting 500+ apps, write custom code, and deploy AI agents with full visibility into every decision. Self-hostable or cloud.
Open Source Alternative to:
Python-native workflow orchestration for data and ML teams
Stars
23,649Last commit
14 hours agoLicense
Apache-2.0
Orchestrate data pipelines, ML jobs, and agent workflows in plain Python with automatic retries, scheduling, and a unified UI for every run across your infrastructure.
Open Source Alternative to:
Open-source workflow automation for developers
Stars
17,591Last commit
9 hours agoLicense
Unknown
Powerful, self-hosted platform for building and running workflows, scripts, and apps with code-first approach and collaborative features.
Open Source Alternative to:
Run long-running AI tasks without timeouts or servers
Stars
16,077Last commit
10 hours agoLicense
Apache-2.0
Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.
Open Source Alternative to:
Open-source integration platform for seamless workflows
Stars
13,938Last commit
6 months agoLicense
Unknown
Self-hosted automation tool that connects your apps and services, enabling powerful integrations and efficient data flow across your ecosystem.
Open Source Alternative to:
Magical data pipeline tool for seamless transformations
Stars
8,806Last commit
7 days agoLicense
Apache-2.0
Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.
Open Source Alternative to:
Effortless event-driven workflows for modern applications
Stars
5,748Last commit
10 hours agoLicense
SSPL-1.0
Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.
Open Source Alternative to:
Open source security automation platform for builders
Stars
3,773Last commit
10 hours agoLicense
AGPL-3.0
Tracecat is a scalable, self-hostable platform for automating security workflows and playbooks without limits.
Open Source Alternative to:
GitOps orchestration for infrastructure as code
Stars
1,263Last commit
15 hours agoLicense
MPL-2.0
Automate infrastructure changes with secure GitOps workflows. Plan, validate, and deploy Terraform, OpenTofu, and Pulumi directly from pull requests.
Open Source Alternative to:
Revolutionizing data processing with Compute Over Data
Stars
869Last commit
1 day agoLicense
Apache-2.0
Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.
Build and deploy AI agents through visual workflows
Stars
554Last commit
18 days agoLicense
Apache-2.0
Create powerful AI agents using an intuitive node-based interface that connects multiple LLMs and data sources for automated documentation and development workflows.
InfluxDB – The purpose-built time series platform for high-velocity ingestion and real-time queries at scale.
InfluxDB