Launch HN: Pynecone (YC W23) – Web Apps in Pure Python

1. reflex

   1 84 21,996 9.9 Python

   🕸️ Web apps in pure Python 🐍

   

   This is really crazy. Are we running out of words to name companies:

   * https://pinecone.io/ - Long-term Memory for AI

   * https://pynecone.io/ - Frontend. Backend. Hosting. Pure Python.

   Just one letter difference 'i' -> 'y'. In other context I would suspect phishing.

2. CodeRabbit

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3. django-unicorn

   2 54 2,478 8.4 Python

   The magical reactive component framework for Django ✨

   

   I think all LiveView frameworks should be part of this.

   Here are two Python ones I've tried:

   https://www.django-unicorn.com/

4. Leaflet.markercluster

   3 4 4,032 1.8 JavaScript

   Marker Clustering plugin for Leaflet

   

   I'd be interested to see what it looks like to integrate an old-school style JS "component" like LeafletJS, especially with a plugin like this: https://github.com/Leaflet/Leaflet.markercluster

5. rux

   4 9 401 5.8 Ruby

   A jsx-inspired way to render view components in Ruby.

   

6. nicegui

   5 185 11,488 9.7 Python

   Create web-based user interfaces with Python. The nice way.

   

   Seems similar to https://nicegui.io/ which recently impressed me! Will check this out.

7. Django

   6 527 82,703 9.9 Python

   The Web framework for perfectionists with deadlines.

   

8. core

   7 7 601 8.5 F#

   WebSharper - Full-stack, functional, reactive web apps and microservices in F# and C# (by dotnet-websharper)

   

   Websharper[1] lets you develop web apps all in F# or C#. Its reactive HTML layer is particularly useful.

   1: https://websharper.com/

9. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

10. jwt

    8 1 57 4.2 Java

    Java Web Toolkit (by emweb)

    

11. reflex-web

    9 1 263 9.7 Python

    A public repo of the reflex.dev website.

    

    Very cool that you built your own production site in Pynecone!

    https://github.com/pynecone-io/pcweb

12. python-nostr

    10 1 276 0.0 Python

    A Python library for Nostr

    

    In the documentation, I don't see any mention of including external libraries. For example, do you have to do something special to use this nostr library with Pynecone?

    https://github.com/jeffthibault/python-nostr

13. Opal

    11 38 4,857 9.1 Ruby

    Ruby ♥︎ JavaScript

    

    So ruby has a JS transpiler - opal - https://opalrb.com/

    I tried using it a little bit but the reality is if you need JS to make your app more interactable it's really worth it to just learn some JS. As soon as you need something complex the extra layer of abstraction just gets in the way and becomes more of a headache, and if you don't need anything complex then you don't need JS in the first place.

14. dash

    12 56 22,098 9.2 Python

    Data Apps & Dashboards for Python. No JavaScript Required.

    

    Useful list. Dash & bokeh as two more in the space

    https://github.com/plotly/dash

15. anvil-runtime

    13 14 955 5.1 Clojure

    The runtime engine for hosting Anvil web apps

    

    Founder here. Self hosting is a thing - just "pip install anvil-app-server"!

    https://anvil.works/open-source

16. framework

    14 23 144 6.1 Ruby

    Mayu is a live updating server-side component-based VDOM rendering framework written in Ruby (by mayu-live)

    

    I'm working on https://github.com/mayu-live/framework which is 100% server side Ruby. It's kinda like React/Preact, but server side, and Ruby. No JavaScript required (it's not even supported).

17. wave

    15 23 4,066 8.6 Python

    Realtime Web Apps and Dashboards for Python and R (by h2oai)

    

    Looks similar to Nitro https://nitro.h2o.ai/ and Wave https://wave.h2o.ai/ - both open source. Nitro already works with WebAssembly via Pyodide. (Author here)

18. nitro

    16 3 200 3.6 TypeScript

    Create apps 10x quicker, without Javascript/HTML/CSS. (by h2oai)

    

    Looks similar to Nitro https://nitro.h2o.ai/ and Wave https://wave.h2o.ai/ - both open source. Nitro already works with WebAssembly via Pyodide. (Author here)

19. chakra-ui

    17 355 38,711 9.9 TypeScript

    Chakra UI is a component system for building products with speed ⚡️

    

    I think they had a typo and meant to say Chakra UI: https://chakra-ui.com/

20. remi

    18 11 3,540 3.5 Python

    Python REMote Interface library. Platform independent. In about 100 Kbytes, perfect for your diet.

    

    Making GUIs is always a fair amount of work/overhead on whatever you are working on, and I like to stay in Python when possible (I've used REMI (https://github.com/rawpython/remi) to create web apps before in Python). Thanks for creating this. I look forward to updates!

21. reactor

    19 11 640 0.0 Python

    Phoenix LiveView but for Django

    

22. tauri

    20 505 90,515 9.8 Rust

    Build smaller, faster, and more secure desktop and mobile applications with a web frontend.

    

    That's my understanding.

    While it is possible to run Python on the browser, the typical solutions to do so has a lot of drawbacks:

    - brython doesn't work with pip, doesn't implement full python spec, and has very limited tooling

    - pyodide is very slow to load and execute

    Plus, pynecone would have to solve the complicated problem of finding out how to delimitate what's python on the server side and on the client side, which we don't see in the API (and would complicate things for their target customer, somebody with little web dev experience).

    So the decision makes sense knowing their goals and constraints.

    You just have to understand the price you pay for it.

    I can see myself using the product something I need to hack quickly that is a one page interactive program. Or for some of my clients with quants, geographers and the likes that often needs to make a small utility available but have only knowledge of basic python.

    It also could be a good companion to tauri (https://tauri.app/) to create desktop app. To me that would be even more valuable to have finally an easy way to do a decent UI in python. Because QT, WX, GTK and Tkinter are not fun at all, and the web is an amazing platform.

23. Wt

    21 41 1,749 9.6 C

    Wt, C++ Web Toolkit

    

24. SaaSHub

    www.saashub.com featured

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    

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