Lowdefy vs Reflex
A side-by-side comparison of two self-hosted developer tools & git options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Lowdefy | Reflex |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 87 · Excellent | 98 · Excellent |
| Category | Developer Tools & Git | Developer Tools & Git |
| License | Apache-2.0 | Apache-2.0 |
| Language | JavaScript | Python |
| Setup difficulty | Easy | Medium |
| Min. RAM | 512 MB | 512 MB |
| Deployment | docker, source | docker, source |
| GitHub stars | ★ 3,009 | ★ 28,909 |
| First released | 2020 | 2022 |
| Replaces | Retool, Appsmith | Streamlit, Retool |
What are Lowdefy and Reflex?
Lowdefy
Lowdefy is an open-source low-code framework for building web apps, admin panels and internal tools using simple YAML configuration files. The apps run on a self-hostable Node.js server.
- Apps defined in YAML
- No frontend code
- Many data connectors
- Self-hosted server
Reflex
Reflex is an open-source framework for building and deploying full-stack web applications entirely in Python without writing JavaScript. The compiled apps can be self-hosted on your own infrastructure.
- Pure Python web apps
- No JavaScript needed
- Built-in components
- Self-hostable deploys
Lowdefy vs Reflex: key differences
Lowdefy is written in JavaScript, while Reflex is built with Python. Lowdefy is the more established project (first released 2020), while Reflex arrived in 2022. Reflex has the considerably larger community, at 28,909 GitHub stars versus 3,009.
Why pick each one
Choose Lowdefy if…
- Released under the Apache-2.0 license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Active community (3k GitHub stars)
Choose Reflex if…
- Pure Python full stack
- No JavaScript needed
- Compiles to React
Watch out for
- Node.js build dependency
- API still evolving
Frequently asked questions
Is Lowdefy or Reflex better?
Neither is universally better. Reflex has the larger community, while Lowdefy is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Lowdefy and Reflex free and open-source?
Yes. Lowdefy is licensed under Apache-2.0 and Reflex under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Lowdefy and Reflex with Docker?
Lowdefy: yes. Reflex: yes.