AI Tool Guides
Best for
Turning Python scripts into web apps
Works on
Any (Python library)
Alternatives
Gradio, Flask
Watch out
Free tier apps go to sleep after inactivity
What It Does
Streamlit turns a plain Python script into a shareable web app. You write Python, add a few Streamlit commands for buttons, sliders, and charts, and the framework handles the web interface. It is the fastest way to put an AI prototype in front of real users.
Setup in 5 Minutes
in your terminal.
- Create a file called app.py and run it with
streamlit run app.py.
- A browser tab opens with your live app. Every time you save
the file, the app updates automatically.
Try This
Build a sentiment analyser in ten lines. Use
st.text\_area() for user input, call an AI API (or the free
TextBlob library) to analyse sentiment, and display the result with
st.metric(). Deploy it for free on Streamlit Community Cloud
by pushing to a GitHub repo and connecting it at
share.streamlit.io.
Follow Along
Follow Along — Build a Word Counter Dashboard.
and add import streamlit as st and from collections import Counter.
- Add a text area: text = st.text\_area("Paste your text here").
- Below it, display three metrics using st.metric(): word count, character count, and sentence count (split on full stops).
- Use Counter(text.lower().split()) to find the 10 most common words and display them with st.bar\_chart().
- Run streamlit run counter.py, paste in a paragraph from a news article, and watch the dashboard update live.
More in Coding & Vibe Coding
16Replit— Browser-based Python projects
Free18Cursor— AI-first code editor with chat
Free tier20GitHub Codespaces— Full VS Code in the browser, no install
22Bolt.new— Quick web app prototypes by talking
Free tier24Windsurf— AI-native code editor with agentic mode
Free tier26Google Colab— Free Python notebooks with GPU access
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