The best of Hacker News - June 25, 2025

1.
Writing toy software is a joy

595 points

2.
Fun with uv and PEP 723

393 points

3.
PlasticList – Plastic Levels in Foods

341 points

4.
Finding a 27-year-old easter egg in the Power Mac G3 ROM

333 points

5.
Ancient X11 scaling technology

208 points

6.
ChatGPT's enterprise success against Copilot fuels OpenAI/Microsoft rivalry

202 points

7.
XBOW, an autonomous penetration tester, has reached the top spot on HackerOne

194 points

8.
Microsoft Releases Classic MS-DOS Editor for Linux Written in Rust

156 points

9.
Subsecond: A runtime hotpatching engine for Rust hot-reloading

121 points

10.
PNG Is Back

99 points

11.
Thnickels

95 points

12.
How renewables are saving Texans billions

76 points

13.
Build your first iOS app on Linux / Windows

69 points

14.
Managing time when time doesn't exist

65 points

15.
Mid-sized cities outperform major metros at turning economic growth into patents

45 points

16.
Canal Boat Simulator

42 points

17.
Gemini CLI: your open-source AI agent

36 points

18.
Playing First Contact in Eclipse, a 3-Day Sci-Fi Larp

23 points

19.
Advanced Python Function Debugging with MCP Integration

17 points

20.
The Probability of a Hash Collision

3 points

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