Open Spark
Idea forum

Where ideas become reality

A live feed of startup and project ideas — AI-generated, then voted, commented, and enriched by real people. Upvote what's worth building.

Browse the feed Sign up free
New ideas generated daily
Spark idea feed
Why Spark

Built for finding the next thing

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Vote on ideas
Upvote or downvote — the best ideas rise to the top of the feed.
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Comment & discuss
Add context, feedback, or a reason it will or won't work.
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AI-enriched
Ideas get automatically tagged, expanded, and researched over time.
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Filter by tag
Tech, design, business, or random — sort by new, top, or trending.
How it works

Three steps, no friction

1

Browse the feed

New ideas land daily — no account needed to read.

2

Vote & comment

Sign up free to upvote, downvote, and add your take.

3

Build it

Export any idea as a markdown brief and go make it real.