Add Pneumatic workflow

README.md

@@ -63,6 +63,7 @@ A curated list of awesome open source workflow engines
 * [Piper](https://github.com/creactiviti/piper) [![Stars](https://img.shields.io/github/stars/creactiviti/piper.svg)](https://github.com/creactiviti/piper)  - A distributed Java workflow engine designed to be dead simple.
 * [Platformeco](https://platformeco.com/) - Technology platform, allows Product & Project teams easily build micro services using drag & drop UI and operate it, within out of the box cloud and CI/CD tools with deep tracing & monitoring.
 * [Plynx](https://plynx.com) [![Stars](https://img.shields.io/github/stars/plynx-team/plynx.svg)](https://github.com/plynx-team/plynx) - Interactive platform with drag and drop interface for building and deploying portable and scalable end-to-end data driven workflows.
+* [Pneumatic](https://pneumatic.app) [![Stars](https://img.shields.io/github/stars/pneumaticapp/pneumaticworkflow.svg)](https://github.com/pneumaticapp/pneumaticworkflow) - open-source SaaS workflow management system designed to streamline and organize workflows in businesses of any size.
 * [Popper](https://github.com/systemslab/popper) [![Stars](https://img.shields.io/github/stars/systemslab/popper.svg)](https://github.com/systemslab/popper)  - Lightweight, YAML based container-native workflow engine supporting Docker, Singularity, Vagrant VMs with Docker daemon in VM, and local host.
 * [Prefect](https://github.com/PrefectHQ/prefect) [![Stars](https://img.shields.io/github/stars/PrefectHQ/prefect.svg)](https://github.com/PrefectHQ/prefect)  - Prefect is a new workflow management system, designed for modern infrastructure and powered by the open-source Prefect Core workflow engine
 * [Restate](https://restate.dev/) [![Stars](https://img.shields.io/github/stars/restatedev/restate.svg)](https://github.com/restatedev/restate) - A low-latency durable execution engine for workflows, event-driven handlers, transactional state machines, and stateful orchestration. Fully self-contained in a single binary. Supports programs in TypeScript, Java/Kotlin, Go, Python, and Rust.
@@ -101,6 +102,7 @@ A curated list of awesome open source workflow engines
 * [Orkes Conductor](https://orkes.io/cloud/) - Orkes provides Netflix Conductor as a cloud services across all the major cloud providers with enterprise features such as security, integrations and Visual workflow code editor.
 * [Google Cloud Workflows](https://cloud.google.com/workflows/) - Combine Google Cloud services and APIs to  build reliable applications, process automation, and data and machine learning pipelines.
 * [Inngest](https://www.inngest.com/) - A scalable, event-driven durable execution platform
+* [Pneumatic](https://pneumatic.app) [![Stars](https://img.shields.io/github/stars/pneumaticapp/pneumaticworkflow.svg)](https://github.com/pneumaticapp/pneumaticworkflow) - open-source SaaS workflow management system designed to streamline and organize workflows in businesses of any size.
 * [Refinery.io](https://refinery.io/) - Serverless IDE that allows you to visually build complex workflows (HTTP APIs, map/reduce, etc) on top of AWS Lambda. Supports writing in Python, Node.js, Golang, Ruby, and other languages.
 * [Zenaton](https://zenaton.com) - Workflow engine for data processes and background jobs available in PHP, Node.js, Python and Ruby.