Permissive open-source licences

MIT/Apache-style tools with fewer embedding surprises.

Langflow

AI agent workflows

Open-source visual framework for RAG and agents

Stars: ★ 156k
Licence: MIT
Updated: 3 days ago

Self-host or cloud
Commercial OK

Alternative to Zapier, Make

Home Assistant

Event, chatops & personal automation

Open-source home automation hub that pairs with Node-RED

Stars: ★ 91.6k
Licence: Apache-2.0
Updated: today

Self-host
Commercial OK

Alternative to IFTTT

Gitea Actions

IT runbooks & infra automation

Self-hosted CI actions compatible with GitHub Actions syntax

Stars: ★ 58.6k
Licence: MIT
Updated: today

Self-host
Commercial OK

Alternative to Power Automate, Zapier

Flowise

AI agent workflows

Open-source UI to build LLM apps as graphs

Stars: ★ 55.5k
Licence: Apache-2.0
Updated: 2 months ago

Self-host or cloud
Commercial OK

Alternative to Zapier, Make

Huginn

Event, chatops & personal automation

Build agents that watch the web and react to events

Stars: ★ 50.1k
Licence: MIT
Updated: yesterday

Self-host
Commercial OK

Alternative to IFTTT, Zapier

Apache Airflow

Data pipelines & ETL

Industry-standard Python workflow scheduler for data teams

Stars: ★ 47.2k
Licence: Apache-2.0
Updated: today

Self-host
Commercial OK

Alternative to Airflow managed, Make

Appsmith

AI agent workflows

Open-source internal apps platform with JS logic and datasources

Stars: ★ 41.1k
Licence: Apache-2.0
Updated: today

Self-host or cloud
Commercial OK

Alternative to Retool Workflows

Apache Kafka

Data pipelines & ETL

Distributed event streaming for high-volume pipelines

Stars: ★ 34.1k
Licence: Apache-2.0
Updated: today

Self-host
Commercial OK

Alternative to MuleSoft, Boomi

Conductor

Job orchestrators & durable workflows

Netflix's microservice orchestration engine (Open Source)

Stars: ★ 32.3k
Licence: Apache-2.0
Updated: 3 days ago

Self-host
Commercial OK

Alternative to Workato, Temporal Cloud

Kestra

Data pipelines & ETL

Declarative orchestration language for data and process workflows

Stars: ★ 29.9k
Licence: Apache-2.0
Updated: today

Self-host or cloud
Commercial OK

Alternative to Airflow managed, Make

Activepieces

Visual iPaaS & Zapier-style

MIT-licensed Zapier-style automation with AI pieces

Stars: ★ 25.1k
Licence: MIT
Updated: today

Self-host or cloud
Commercial OK

Alternative to Zapier, Make

Prefect

Data pipelines & ETL

Python workflow orchestration with a modern control plane

Stars: ★ 24k
Licence: Apache-2.0
Updated: 2 days ago

Self-host or cloud
Commercial OK

Alternative to Airflow managed, Zapier

Temporal

Job orchestrators & durable workflows

Durable execution platform for mission-critical workflows

Stars: ★ 23.8k
Licence: MIT
Updated: yesterday

Self-host or cloud
Commercial OK

Alternative to Temporal Cloud, Airflow managed

Node-RED

Visual iPaaS & Zapier-style

Low-code event wiring with a browser flow editor

Stars: ★ 23.8k
Licence: Apache-2.0
Updated: 3 days ago

Self-host
Commercial OK

Alternative to IFTTT, Zapier

Argo Workflows

Data pipelines & ETL

Kubernetes-native workflow engine for container jobs

Stars: ★ 17k
Licence: Apache-2.0
Updated: today

Self-host
Commercial OK

Alternative to Airflow managed, Temporal Cloud

Trigger.dev

Job orchestrators & durable workflows

Open-source background jobs and durable workflows for TypeScript

Stars: ★ 16.6k
Licence: Apache-2.0
Updated: today

Self-host or cloud
Commercial OK

Alternative to Pipedream, Zapier

Dagster

Data pipelines & ETL

Data asset-oriented orchestrator for analytics and ML

Stars: ★ 16.3k
Licence: Apache-2.0
Updated: today

Self-host or cloud
Commercial OK

Alternative to Airflow managed

AWX (Ansible)

IT runbooks & infra automation

Open-source UI and API for Ansible automation

Stars: ★ 15.6k
Licence: Apache-2.0
Updated: 4 days ago

Self-host
Commercial OK

Alternative to Power Automate, Workato

Semaphore UI

IT runbooks & infra automation

Modern open-source UI for Ansible, Terraform and OpenTofu

Stars: ★ 14.3k
Licence: MIT
Updated: today

Self-host
Commercial OK

Alternative to Power Automate

BullMQ

Job orchestrators & durable workflows

Redis-based Node.js job queue used inside products

Stars: ★ 9.5k
Licence: MIT
Updated: today

Self-host
Commercial OK

Alternative to Pipedream, Zapier

Cadence

Job orchestrators & durable workflows

Uber's open-source durable workflow engine

Stars: ★ 9.5k
Licence: MIT
Updated: 3 days ago

Self-host
Commercial OK

Alternative to Temporal Cloud, Airflow managed

Mage

Data pipelines & ETL

Open-source notebook-style data pipeline tool

Stars: ★ 8.8k
Licence: Apache-2.0
Updated: 3 days ago

Self-host or cloud
Commercial OK

Alternative to Airflow managed, Make

Hatchet

Job orchestrators & durable workflows

Open-source task queue and workflows for developers

Stars: ★ 8.1k
Licence: MIT
Updated: 2 days ago

Self-host or cloud
Commercial OK

Alternative to Pipedream, Temporal Cloud

StackStorm

IT runbooks & infra automation

Event-driven runbook automation (IFTTT for ops)

Stars: ★ 6.5k
Licence: Apache-2.0
Updated: 6 days ago

Self-host
Commercial OK

Alternative to Power Automate, IFTTT

Apache Camel

Data pipelines & ETL

Integration framework with hundreds of components

Stars: ★ 6.4k
Licence: Apache-2.0
Updated: today

Self-host
Commercial OK

Alternative to MuleSoft, Boomi

Rundeck / Process Automation

IT runbooks & infra automation

Runbook automation and self-service ops jobs

Stars: ★ 6.3k
Licence: Apache-2.0
Updated: 3 days ago

Self-host or cloud
Commercial OK

Alternative to Power Automate

Apache NiFi

Data pipelines & ETL

Visual dataflow system for routing and transformation

Stars: ★ 6.3k
Licence: Apache-2.0
Updated: today

Self-host
Commercial OK

Alternative to Boomi, MuleSoft

Baserow

Visual iPaaS & Zapier-style

Open-source no-code database with self-hosting

Stars: ★ 6.2k
Licence: MIT
Updated: today

Self-host or cloud
Commercial OK

Alternative to Zapier, Make

Inngest

Job orchestrators & durable workflows

Event-driven durable functions for modern apps

Stars: ★ 6k
Licence: Apache-2.0
Updated: yesterday

Self-host or cloud
Commercial OK

Alternative to Pipedream, Zapier

Apache Hop

Data pipelines & ETL

Visual metadata-driven data engineering platform

Stars: ★ 1.5k
Licence: Apache-2.0
Updated: today

Self-host
Commercial OK

Alternative to Boomi, MuleSoft

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