nowfound

Dev tools · May 7, 2026

Full Python GUI apps in the browser – no JavaScript, no server

I have been working on Dear ImGui Bundle since 2022, but it is the first time I talk about it here. It is a framework around Dear ImGui for building interactive applications in Python and C++. It comes with batteries included: Plotting, image inspection, Markdown, node editors, 3D gizmos, knobs, toggles, etc. https://imgui-bundle.pages.dev It now also runs smoothly in the browser via pyodide: The playground below is a python app running in your browser (no server, no JavaScript). You can edit the code on the left and click Run. It even works on mobile.…

Full Python GUI apps in the browser – no JavaScript, no server launched on May 7, 2026 with 29 votes, #834 of 20,538 launches that month and more than 95% of that year's launches.

Visit github.com ↗Alternativestop 4% of May 2026

In plain words

Dear ImGui Bundle is a framework for building interactive applications in Python and C++. It includes built-in components like plotting, image inspection, Markdown editors, node editors, 3D gizmos, and UI controls. The framework now runs directly in web browsers through Pyodide, allowing users to write and execute Python GUI code without JavaScript or a server backend. It works on desktop and mobile devices, with an emphasis on readable and hackable code.

written from the facts on this page · September 2026

From the sources

Interactive Python & C++ apps for desktop, mobile, and web - powered by Dear ImGui. Stop fighting GUI frameworks. Start building. - pthom/imgui_bundle

In the maker’s words, at launch

I have been working on Dear ImGui Bundle since 2022, but it is the first time I talk about it here. It is a framework around Dear ImGui for building interactive applications in Python and C++. It comes with batteries included: Plotting, image inspection, Markdown, node editors, 3D gizmos, knobs, toggles, etc.…

Does a similar job

all alternatives →
  • II
    Imba – I have spent 7 years creating a programming language for the web2021 · ▲1,216

    Hey all My name is Sindre, and I am the CTO of Scrimba (YC S20). For the last 7 years, I have written all my web apps in a full-stack programming language called Imba. It compiles to JavaScript and its main goal is to make web developers more productive. I just launched a major overhaul of Imba, so I wanted to share it here on HN, in case anyone are interested in learning more about it. It is very opinionated, so some of you might not like it, but I would love to hear anyones feedback regardless. Constructive criticism appreciated! The backstory: Imba initially started in 2012 as an effort…

  • ImPlot3D – A 3D Plotting Library for Dear ImGui2024 · github.com · ▲170

    Immediate Mode 3D Plotting. Contribute to brenocq/implot3d development by creating an account on GitHub.

  • PyUI Builder2025 · pyuibuilder.com · ▲250

    Hey all, I am Paul, an indie-dev, I am working on this web based Drag and drop GUI builder tool for python. It's still in beta and currently supports tkinter and customtk. It can generate clean code python for the UI you build. You can check out the source code here: https://github.com/PaulleDemon/PyUIBuilder Feel free to check it out. Thanks!

  • A modular Python TUI framework with a fast and pretty markup language2022 · github.com · ▲114

    PyTermGUI is a highly modular framework offering most of the features one would expect from a GUI library, such as a mature and open Widget API, animations, mouse support and other goodies, right inside the terminal! The markup language is another great feature of the library, and is used by practically all elements of it. It is based on Rich's implementation, but uses a more concise and easier to humanly parse syntax, while being over 10 times faster at parsing due to a long list of optimizations. There is a full Window Manager API included as well, allowing the user to move, resize and…

  • Dropbase – Build internal web apps with just Python2023 · github.com · ▲207

    Hey HN, I’m Jimmy, co-founder of Dropbase (https://www.dropbase.io). We are an internal tools builder for Python developers. All you have to do is import any Python scripts/libraries, declare UI components, and layer app permissions so you can share them with others. We’re a middle ground between Airplane and Retool—simpler UI creation than Airplane, more code-centered than Retool. UI building is declarative and you can bind Python scripts/functions to UI components. You can write Python scripts/functions using our App Studio with support from a Python Language…

More dev tools this month

the category →
  • /dev/null▲482

    a social network for devs

    Dev tools · 2d ago · dev-null.sh

  • open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

    Dev tools · 27d ago · github.com

  • Contribute to reladraw/reladraw development by creating an account on GitHub.

    Dev tools · 25d ago · github.com

  • OpenBot▲362

    Grok Bot alternative: free, local, open-source, multiplayer

    Dev tools · 22d ago · openbot.run

  • Talanoa▲343

    Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

    Dev tools · 20d ago · talanoa.email

  • CoreSpeed▲332

    One MCP for everything your agents need: apps, memory, tools

    Dev tools · 28d ago · corespeed.io

Source: Show HN post ↗ · launch text quoted in part

Launched alongside, May 2026

the whole month →
  • Brew ▲900

    Like Claude design for email marketing

    AI · May 2026 · brew.new

  • Parallel agents, diff reviewer, and multi-model comparisons

    Dev tools · May 2026 · kilo.ai

  • StoreClaw▲806

    Grow your store profits with agents that know how to sell

    AI · May 2026 · storeclaw.ai

  • Give your agent a real number and voice to make calls.

    AI · May 2026 · pollyreach.ai

  • Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…

    Life & fun · May 2026 · github.com

  • 🌱 Private, quiet space for thinking. Simple app for .md files. - zakirullin/files.md

    Dev tools · May 2026 · github.com