PyWire is an open-source Python framework for building reactive web applications using HTML-over-the-wire, eliminating the need for JavaScript on the client. It features single-file components, live updates, and WebSocket support, targeting Python web developers who want modern frontend ergonomics with Python simplicity.
PyWire sits in PulseGate's Frameworks & SDKs category. It focuses on building reactive web applications in Python without writing JavaScript or managing client state. It is built as an open-source project for python web developers seeking reactive UI frameworks. PyWire is open source under the Apache-2.0 license. The product ships for the web, the command line, and API, and it can be self-hosted.
PyWire first shipped in 2026. Development happens publicly on GitHub with 347 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — PyWire occupies a relatively distinct niche. Key capabilities include HTML-over-the-wire, reactive components, and python templates.
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