Ask HN: Is there any software you only made for your own use but nobody else?

I wrote a script that looks at C++ files, figures out the dependencies (by looking at what headers they include) and automatically compiles and links out of date files. It makes programming in C++ sort of like programming in a modern language like Go. It took me a couple of days to implement and I use it any time I am working on my own C++ projects. I eventually want to add package management features to allow integration with external libraries, but this isn't a priority for me currently.

I have also worked on trading algorithms that used publicly available info about crypto order books to make profitable trades, which will obviously not be published since then they would stop working.

There are many tiny scripts I use at work to manage things. Mostly bookkeeping stuff like utilities to manage Jira, scripts that create text files as per a predefined template for meetings etc.

I'm the only one who uses it because these are tailored for my own specific use case, but if anybody from work asks I'm willing to share.

If I knew how to use Emacs, then maybe I wouldn't have needed some of these scripts.

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I have a huge list of movies I want to watch or have watched, and I like keeping track of those.

For the longest time I used Google Keep, but that couldn't keep track of dates when I added to the list or watched something off the list. And I liked my list to be sorted alphabetically and have it show the counts of watched and total etc.

Tonnes of apps and websites already do this. Or I could have probably built a spreadsheet file that does this. But I felt like rolling my own.

I built a simple webapp using Laravel and a little bit of Bootstrap to make the site look decent. Did it in one day during the less than a week of gap between resigning one job and joining another. Building it was therapeutic. I even bought a domain and hosted it on a DigitalOcean droplet. It's been up for over two years now.

There's nothing fancy about it. It really is just a glorified todo list. But I like the simplicity of it and I've been using it to keep track of movies to watch over the past two years.

I never had any intention of trying to promote it or anything. Initially I planned to share it with a few friends, but then I didn't. No reason.

So it's just out there in the web. In broad daylight. Anybody can sign up for it. Nobody has. Nobody knows. Hidden in plain sight. Just like me ;)

> ..., along with audio extractor and pitch+speed correction for songs

What do you mean with pitch+speed correction? Have songs on youtube false pitch or speed?

My blog (devnull.land) — I stood it up in a day or two, could run on a potato, and uses GitHub Gists as its data store. (More info: https://devnull.land/github-gist-blog)

My VoIP provider supports SMS, and exposes an API. The community-made app wasn't performant enough, so I cobbled together my own interface in a couple evenings. Then one day some dependencies shifted and it wouldn't start on the latest Node :\ Oh well.

I wrote a little Swaybar script that displays the current weather. When I hover over it, I can see the hourly forecast and a few other details. It's not perfect, but I prefer the simplicity over a fully-fledged application.