NextProb icon NextProb

A notebook for vibe-coded websites

Anything you're curious about becomes your own interactive page.

Model your retirement to age 100 Plan a 10-day trip Compare 5 neighborhoods on your terms Build a guide for your cats Learn Japanese your way and more

To anyone who's been there

Pain points illustration

How does our application work?

ToutKit application showing notebook sidebar, main webview, and embedded terminal
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Why did we build it?

What's behind our application?

It's just files on your disk

Every note is a plain folder — open it in any editor, move it, duplicate it, back it up. Uninstall the app tomorrow and your work is still right there.

tree ~/nextprob-workspace
my-workspace/
finance/
retirement-planner/
index.html
memory.md
storage/
kv.json
db.sqlite
files/
report.pdf
buy-vs-rent-simulator/
index.html
memory.md
storage/
kv.json
research-on-kafka/
index.html
memory.md
storage/
kv.json
scripts/
fetch_data.py
logs/
fetch_data.log
plain files on your disk — inspect with ls, grep, sqlite3, or any tool you already use

Bring your own coding agent

Your prompts go straight to the CLI you already use — no proxy, no rewrapping, no extra subscription. It's just a terminal — same as anywhere else.

Terminal window showing a user chatting with their local AI CLI

What are people making?

What about you?

Make yours