Project ideas from Hacker News discussions.

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Today's hottest Hacker News ideas

IdeaWell monitors 30 front-page threads (1963 comments) and distills them into summaries and launch-ready prompts. Refreshed 2026-04-20 13:58 UTC.

Lead discussions: Show HN: Saunas lower nighttime heart rate more than exercise (n=59,000); ggsql: A Grammar of Graphics for SQL; GitHub's Fake Star Economy
6 of today's threads already crossed 100+ comments.
Builders debated 1963 comments across the front page.

30 posts tracked today

1963 comments analyzed

6 threads > 100 comments

Show HN: Saunas lower nighttime heart rate more than exercise (n=59,000)

8 comments processed

ggsql: A Grammar of Graphics for SQL

13 comments processed

GitHub's Fake Star Economy 🔥

220 comments processed

M 7.4 earthquake – 100 km ENE of Miyako, Japan

46 comments processed

10 years ago, someone wrote a test for servo that included an expiry in 2026

3 comments processed

Atlassian Enables Default Data Collection to Train AI

3 comments processed

NSA is using Anthropic's Mythos despite blacklist 🔥

151 comments processed

Focused microwaves allow 3D printers to fuse circuits onto almost anything

14 comments processed

WebUSB Extension for Firefox

19 comments processed

Up to 8M Bees Are Living in an Underground Network Beneath This Cemetery

15 comments processed

SDF Public Access Unix System

49 comments processed

Vercel April 2026 security incident 🔥

459 comments processed

All phones sold in the EU to have replaceable batteries from 2027

3 comments processed

What if database branching was easy?

12 comments processed

Stop trying to engineer your way out of listening to people 🔥

154 comments processed

Epicycles All the Way Down (2025)

4 comments processed

Claude Token Counter, now with model comparisons

62 comments processed

I Made the "Next-Level" Camera and I love it

25 comments processed

Zero-copy protobuf and ConnectRPC for Rust

29 comments processed

Stripe's Payment APIs: the first 10 years (2020)

39 comments processed

NASA Artemis Posters

3 comments processed

How Motorola’s 2N2222 and 2N3904 transistors became the default NPNs

16 comments processed

A Brief History of Fish Sauce

83 comments processed

Turtle WoW classic server announces shutdown after Blizzard wins injunction 🔥

242 comments processed

Ben Lerner's Big Feelings

20 comments processed

The Bromine Chokepoint 🔥

121 comments processed

Monumental ship burial beneath ancient Norwegian mound predates the Viking Age

20 comments processed

Who Is Blake Whiting?

4 comments processed

Mechanical Keyboard Sounds – A listening Museum

47 comments processed

IEA: Solar overtakes all energy sources in a major global first

79 comments processed