head to head · open source
airflow vs Impler
airflow has 47,350 GitHub stars, 18,299 forks, 1,831 open issues and last shipped yesterday. Impler has 294 stars, 58 forks, 26 open issues and last shipped 2 months ago. airflow leads on adoption by 16,005% (47,350 vs 294 stars). airflow is written in Python under Apache-2.0; Impler is written in TypeScript under MIT. airflow has attracted 39% as many forks as stars, Impler 20%. airflow was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| airflow | Impler | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 294 |
| License | Apache-2.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-09-01 |
| Forks | ⑂ 18K | ⑂ 58 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick airflow if
- You weight community size — 47K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Impler if
- You want the Impler feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Impler fits your workflow better
About airflow
Apache Airflow Apache Airflow (or simply Airflow) is a platform to programmatically author, schedule, and monitor workflows. When workflows are defined as code, they become more maintainable, versionable, testable, and collaborative. Use Airflow to author workflows (Dags) that orchestrate tasks. The Airflow scheduler executes your tasks on an array of workers while following the specified dependencies. Rich command line utilities make performing complex surgeries on Dags a snap. The rich user interface makes it easy to visualize pipelines running in production, monitor progress, and troubleshoot issues when…
read the full airflow overview →
About Impler
Readymade and scalable data import experience for developers👩💻 Simple and intuitive way to onboard users data via guided import widget Explore the docs » See it first hand · Meet the team · Report Bug · Request Feature 🤔 Why Impler? Impler provides embeddable, scalable, and readymade data import experience in products. With Impler you don't need to worry about building and managing complex architecture for importing customers' data. Just integrate impler with few easy steps and the data import experience will be ready in just a few minutes. ✨ Features 🕸️ Guided and responsive data import widget ☠️ Static…
read the full Impler overview →
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Frequently asked questions
Is airflow or Impler more popular?
airflow has 47,350 GitHub stars and Impler has 294. airflow has the larger community by that measure.
Are airflow and Impler free?
Both are open source. airflow is licensed under Apache-2.0 and Impler under MIT. Neither carries a licence fee.
What is the difference between airflow and Impler?
airflow is written in Python and Impler in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, airflow or Impler?
Choose airflow if you want the larger community (47,350 stars) or its Apache-2.0 licence terms. Choose Impler if its feature set, stack or MIT licence fits better. Both are self-hostable.