**Python**: _Implementing a RESTful Web API with Python & Flask_
blog.luisrei.com
Alternatives to
Plain
Best alternatives to Plain in 2026
If you've ever handed a messy Django or Rails codebase to an AI coding assistant and watched it get confused about which of five different ways to do something it should use, you'll get why Plain exists. Plain is a Python web framework designed from the ground up so there's exactly one obvious way to do most things, with types and structure explicit enough that both a human teammate and an AI agent can read the code and know exactly what it does. Plain evolved out of Django through years of production use at PullApprove (the company behind it, Dropseed), stripped down to PostgreSQL-only storage, a typed ORM, htmx and Tailwind CSS on the frontend, and Jinja2 templates, with 30+ first-party packages covering auth, REST APIs, background jobs, email, caching, and admin panels so you're not stitching together a dozen third-party libraries. It ships with built-in OpenTelemetry observability and slow-query detection, a pytest-based testing setup, and agent-specific tooling: rules files, accessible docs, and slash-command workflows meant to help AI coding agents produce correct Plain code on the first try. It's open-source under a BSD-3 license, requires Python 3.13+, and there's an optional commercial add-on (plain.connect) for exporting observability data to a hosted dashboard. It has over 1,000 GitHub stars but is still a young, single-company-backed project.
Quick comparison of Plain alternatives
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FAQ about Plain alternatives
- What is the best alternative to Plain in 2026?
- Based on our selection, Python: Implementing a RESTful Web API with Python & Flask is the best alternative to Plain in 2026. **Python**: _Implementing a RESTful Web API with Python & Flask_. See our full ranking above to compare all options.
- Is Plain free?
- Plain is a paid tool. Several alternatives in our selection offer free or freemium versions.
- How many alternatives to Plain are there?
- mySelectas has listed 20 alternatives to Plain in the Web Development & Frameworks category. Our selection is updated regularly to include the best options available.