# Pneumatic Workflow

> Updated 2026-09-03 · type: tool · category: workflow-automation · status: active · rev 1

Closest standalone approval app

- Open source: yes (Apache-2.0)
- Self-hostable: yes
- Pricing model: free
- Best for: Businesses of any size needing lightweight workflow automation and task management.
- Last verified: 2026-09-04

- **Canonical:** https://gtmstacker.com/registry/tool/pneumatic-workflow/
- **Source:** [github · github.com/pneumaticapp](https://github.com/pneumaticapp/pneumaticworkflow)
- **Tags:** workflow-automation
- **Repository:** https://github.com/pneumaticapp/pneumaticworkflow

## Is Pneumatic Workflow open source?

Yes — Apache-2.0-licensed.

## How much does Pneumatic Workflow cost?

It is free to use.

## Can I self-host Pneumatic Workflow?

Yes — it can be self-hosted.


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Closest standalone approval app