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

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

#1
Just wondering if any of you has created any software that is meant for your use only and will never see the light of the day for anyone else.

What does it do? How did you make it? How much time you spent making it? How often do you use it?

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

#2
- Markup to generate HTML I used in courses that I taught. The markup generated links according to an outline (next/prev page, next/prev section) and a few other navigation related things.

- Python-based pipe-objects-not-strings shell with cluster and database support deeply integrated. Twenty years later, it has turned into Marcel (https://marceltheshell.org), and I’m still the only one using it AFAIK.

- Backup utility for Linux, with characteristics of Time Machine. Been using it for five years, it keeps daily, monthly, yearly full backups, relying on hard links for files that don’t change. Handles both local and remote (to my Raspberry Pi).

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

#4
I wrote a media player and playlist that executes in the browser to play my media on my phone. I did this so that I don’t have to stream media or dick around with all the limitations imposed by the iPhone. I have playlists for music, movies, and television that are dynamically generated with meta data and file hashes.

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

#5
I used to have python scripts that I wrote for my own use as the java packaging manager for a bank. Java versions are a moving target so it was difficult to build something that was generic and would work with each new release. I had to tweak things with most releases so I never published it.

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

#6
I did mostly scripting as in sysadmin work. No FT programming per se.

I found no free optical design software that would run on Mac, so I coded something up to do some paraxial ray tracing ( maybe more, I'd have to dig up the code) and (this is the good part) draw lens diagrams from the specifications.

Pretty simple, but it was fun to do. Very little available for Linux either. Physics and optics people want to have fun, too.

Much of it was just parsing the input data.

I do recall a design and/or analysis program written in Basic, but it wanted a particular basic interpreter, and I forgot if it had porting problems. Must have. I don't recall using the program.

Oddest bit was something I did on my own for Sun flex office. I would get the list of scheduled occupants and their office choice and overlay that on a map of the office suite, for a "who is where" map.

On a "real" work task, I learned how to write graphics commands in Illustrator 3 format. I may have used that on this project.

But more generally, tacking the AI header code to the file made it valid Postscript/Illustrator format.

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

#7
I've open-sourced most of my stuff, but one thing I haven't is a gambling simulator - I feed in odds and results for a season of sport and I can tune some parameters to try different strategies.

Someone once told me that apparently some local sports reporters' weekly tips are used with some seed money and the proceeds are given to charity and I was intrigued enough to spend a few days building something that could test that out.

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

#8
Currently working on a hub of “simple apps” which currently include a basic social network and car maintenance tracker. I plan to keep adding more useful apps, for example next on my list is budgeting app. Also will make it a PWA so that I can get notifications for example about posts from friends or maintenance reminders and such.

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

#10
I maintain a fork of tt-rss[0] that I use to follow blogs, podcasts, and YouTube. I wrote a podcatcher that used the back-end database, too.

I forked it back in 2005 because the maintainer wasn't interested in the direction my patches were going. My version has diverged dramatically from the current version.

I have no idea how many hours I've put into it over 19 years. It has needed surprisingly little care and feeding (which I'd attribute to it being a simple PHP app).

I've used it nearly daily in the last 19 years.

[0] https://tt-rss.org/

Edit: I also maintain a set of scripts to import my SMS from phone backups into my IMAP mailbox. Having a single place to search for my written communication is wonderful.

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