hacker news

Thursday, Sep 4, 2025

1.

Show HN: I built FlipCards – a flashcard app with variations to improve learning

flipcardsapp.vercel.app

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31 points

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felipefreitasa_

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5 hours ago

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23 comments

2.

Show HN: A Map of All YC Companies (5,300 Startups by Batch and Location)

yc.foundersaround.com

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61 points

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4 hours ago

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38 comments

3.

Show HN: Provable Safety for AI Agents

sentinelops.xyz

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3 points

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an hour ago

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0 comments

4.

Show HN: A roguelike game that runs inside Notepad++

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136 points

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4 days ago

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24 comments

5.

Show HN: Quicknote.zip (Daily Micro Scratchpad)

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2 points

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2 hours ago

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0 comments

6.

Show HN: Prompt-to-proof: reproducible LLM eval with hash-chained receipts

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2 points

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4 hours ago

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0 comments

7.

Show HN: Terragon – Run Claude Code as a Background Agent

terragonlabs.com

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2 points

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6 hours ago

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0 comments

8.

Show HN: Car Chomper – A tool to visualize car sizes

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2 points

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6 hours ago

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4 comments

9.

Show HN: Prototyper – AI design platform with its own compiler and runtime

getaprototype.com

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8 points

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11 hours ago

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4 comments

10.

Show HN: Entropy-Guided Loop – How to make small models reason

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32 points

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andrewmonostate

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a day ago

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2 comments

11.

Show HN: Neural Siege – a text-based experiment in resisting rogue AI persuasion

2 points

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9 hours ago

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0 comments

12.

Show HN: SHAde – A tool that turns Git Commit Hashes into deterministic Art

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2 points

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9 hours ago

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0 comments

13.

Show HN: Built a civic issue certificate app in 1 hour (200k views)

civil-certificate.vercel.app

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4 points

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10 hours ago

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0 comments

14.

Show HN: LightCycle, a FOSS game in Rust based on Tron

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47 points

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2 days ago

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15 comments

15.

Show HN: Moribito – A TUI for LDAP Viewing/Queries

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102 points

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2 days ago

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24 comments

16.

Show HN: Vapor – A notepad that fades away as you type

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4 points

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11 hours ago

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4 comments

17.

Show HN: Tsuki – Lua 5.4 ported to Rust

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2 points

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11 hours ago

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0 comments

18.

Show HN: Amber – better Beeper, a modern all-in-one messenger

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66 points

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DmitryDolgopolo

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2 days ago

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78 comments

19.

Show HN: Skada – Automate any workflow with a single prompt

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2 points

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12 hours ago

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0 comments

20.

Show HN: rm-safely – A shell alias that moves files to trash instead of deleting

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2 points

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13 hours ago

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1 comment

21.

Show HN: We built an open-source alternative to expensive pair programming apps

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38 points

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3 days ago

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16 comments

22.

Show HN: My first Go project, a useless animated bunny sign for your terminal

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26 points

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4 days ago

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17 comments

23.

Show HN: I built an AI that uses a metacognitive loop 2 solve invention problems

robw1se.substack.com

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7 points

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2 days ago

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3 comments

24.

Show HN: Simple modenized .NET NuGet server reached RC

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33 points

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3 days ago

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22 comments

25.

Show HN: Listgitfiles.sh – Fetch Raw GitHub File URLs with One Command

gist.github.com

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3 points

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a day ago

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0 comments

26.

Show HN: Spotilyrics – See synchronized Spotify lyrics inside VS Code

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46 points

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4 days ago

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5 comments

27.

Show HN: A unified approach to compute sandboxes

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4 points

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a day ago

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0 comments

28.

Show HN: Davia – A community platform to build, share, and edit applications

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15 points

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2 days ago

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2 comments

29.

Show HN: Trending rust NTP inspection CLI

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3 points

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a day ago

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0 comments

30.

Show HN: Hacker News em dash user leaderboard pre-ChatGPT

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370 points

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6 days ago

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263 comments