There are 2 open-source alternatives to Dagster in this directory. The most popular is Pathway with 63.5k GitHub stars, followed by Prefect(18.6k stars). All are open source, free to use, and many can be self-hosted.
| # | Tool | Stars | Language | License |
|---|---|---|---|---|
| 1 | Pathway A Python ETL framework designed for efficient stream processing, real-time analytics, large language model (LLM) pipelines, and retrieval-augmented generation (RAG). pathway enables building robust and scalable data workflows with support for complex, real-time data transformations and AI-driven analytics. | 63.5k | Python | Other |
| 2 | Prefect Prefect is a powerful workflow orchestration framework for building, running, and monitoring resilient data pipelines in Python. | 18.6k | Python | Apache License 2.0 |
A Python ETL framework designed for efficient stream processing, real-time analytics, large language model (LLM) pipelines, and retrieval-augmented generation (RAG). pathway enables building robust and scalable data workflows with support for complex, real-time data transformations and AI-driven analytics.
Prefect is a powerful workflow orchestration framework for building, running, and monitoring resilient data pipelines in Python.
The top three are Pathway(63.5k stars), Prefect(18.6k stars). All are open source and free to use.
Yes. Every tool listed here is open source and free to use in your own projects. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.
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