Https://linear-equations.com/ Solve systems of linear equations. A tool I needed during my studies. No idea if that counts as a proper side project since it took like a day (?) or so to make. - Source: Hacker News / over 1 year ago

Batch rename files with your favorite text editor (and see the diff of the changes) https://yboris.dev/renamer/ -- FREE MIT Open Source: https://github.com/whyboris/Simplest-File-Renamer. - Source: Hacker News / over 1 year ago

I chose Electron for the app I was building because it would make sure the app I create (1 code base with Angular) would perform exactly the same way on Mac, Windows, and Linux. It required virtually no learning of anything new (just look up some Electron API like "minimize window") and I was done. https://videohubapp.com/ & https://github.com/whyboris/Video-Hub-App As a single developer, I was able to get... - Source: Hacker News / over 2 years ago

BUT, in r/datahoarder someone recommended me Jellyfin to sort my shows/movies and it's sooo sleek and nice! And I can even stream the media. I ~just had to multi rename the files using this open source program; Simplest file renamer it allows to edit the files with notepad which I coupled it with excel and online databases. Then jellyfin ~took over and scanned my library.😅. Source: over 2 years ago

I also created my own renamer that lets me use a text editor to change a batch of file names: Simplest File Renamer - https://yboris.dev/renamer/. Source: over 2 years ago