javelit

Hey HN, I've been working on an Java alternative to Streamlit in the last 4 months: Javelit. I've explored interactive programming and malleable code principles for a long time, and I've always felt that this kind of tool was missing in the Java ecosystem. I think this will be useful to the Java community for presentations, experimentation, talks, learning, data viz apps and small back office apps. You can try a few apps in your browser in the playground: https://javelit.io/playground (note this is not compatible with Safari). Under the hood the project is a bit different from Streamlit, as it is possible to integrate Javelit apps in existing Java systems. There are 2 main ways to run and build Javelit: "standalone", as a CLI, with a great hot-reload experience and a single click deploy with railway, or "embedded", as a library in an ex

I’m building Streamlit for Java. https://javelit.io https://github.com/javelit/javelit I maintain a dev log: https://world.hey.com/cdecatheu/javelit-diary-00-building-a-... And here’s an article about the project by a Google Cloud devrel :) https://glaforge.dev/posts/2025/10/24/javelit-to-create-quic...