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Posted by cvbox 12/18/2025

Ask HN: Those making $500/month on side projects in 2025 – Show and tell

It's the time of the year again, so I'd be interested hear what new (and old) ideas have come up. Previously asked on:

2024 → https://news.ycombinator.com/item?id=42373343

2023 → https://news.ycombinator.com/item?id=38467691

2022 → https://news.ycombinator.com/item?id=34190421

2021 → https://news.ycombinator.com/item?id=29667095

2020 → https://news.ycombinator.com/item?id=24947167

2019 → https://news.ycombinator.com/item?id=20899863

2018 → https://news.ycombinator.com/item?id=17790306

2017 → https://news.ycombinator.com/item?id=15148804

485 points | 560 commentspage 15
academic_agent 12/30/2025|
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xyzzyx2025 12/19/2025||
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jasonsgt 12/18/2025||
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devornotdev 12/18/2025||
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tndibona 12/18/2025||
Trendyzip.com Home sale trends to help buyers make informed decisions. A basic report is $5
ablanton 12/18/2025||
I'm at year 1.5 and built this software for making small art books

https://zine.baby

The goal is to make physical books. It's still early days, but fun to see what people are creating.

chrismorgan 12/18/2025|
I see no indications of any revenue?
kx0101 12/18/2025|
Disclaimer: I haven't make any money, YET.

I recently open-sourced my first ever tool! and I'm super excited about it guys

It's an HTTP request replay and comparison tool in Go. You can replay real traffic, compare multiple environments, detect broken endpoints, generate HTML/JSON reports, and analyze latency

It’s currently at v0.4, so I’d love any feedback, suggestions, or ideas for improvements. (Be gentle, I haven’t used Go professionally, however it’s my main language for personal projects )

https://github.com/kx0101/replayer

Here's the landing page too: https://www.replayer.online/

jotaen 12/18/2025|
I think you should better post this separately, e.g. as “Show HN”. It’s off-topic for this thread (hence, I assume, the downvotes).
kx0101 12/18/2025||
probably, yeah. That's okay :)