Runthru – open-source Interactive Demos
I was looking for a tool to create interactive demos / walkthroughs for web based software. I was amazed that many companies charge well over $1000 per month for something pretty basic. I made this which so far works well for me. You can point it at a site and either let AI (byo OpenAI or Anthropic keys) record and polish the whole thing or do it manually yourself (or a mixture of both). Here is an example interactive demo: https://runnit.io/demos/i-want-you-to-create-a-demo-of-from-... Disclaimer: This is a tool which works for me and may work for you, it's not…
Runthru – open-source Interactive Demos launched on August 3, 2026 with 5 votes, #1,809 of 23,274 launches that month and more than 75% of that year's launches.
What it does
Interactive demo's for software. Contribute to marktolson/runthru development by creating an account on GitHub.
Record a runthru of any web app. Edit the story by hand, or by talking to an AI. Export a static interactive demo you can host anywhere. Same category as Storylane and Guideflow, but local, inspectable, and AI-first: instead of hand-tweaking thirty tooltips you say "tighten every step and aim it at a CFO" and it happens. Steps down the left, a live interactive preview in the middle, and the inspector on the right. Here it is the optional entry page being written — every change lands on the preview as you type. ▶ See a demo Runthru exported, live → A real recording, published as a static bundle — entry page, guide cursor, replayed typing and all. MIT licensed. A personal project, shared as…from github.com
In the maker’s words, at launch
I was looking for a tool to create interactive demos / walkthroughs for web based software. I was amazed that many companies charge well over $1000 per month for something pretty basic. I made this which so far works well for me. You can point it at a site and either let AI (byo OpenAI or Anthropic keys) record…
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