We all love open-source software, but there are so many amazing projects out there that often go unnoticed. Let's change that! Share your favorite open-source software that you think more people should know about. Here’s how you can contribute:

Single Option Per Comment: Mention one open-source software per comment to be able to easily find the most popular software.
No Duplicates: Avoid duplicating software that has already been mentioned to ensure a wide variety of options.
Upvote What You Love: If you see a software that you also appreciate, upvote it to help others discover it more easily.

Check out last year's post for more inspiration: Last Year's Post

Let's create a comprehensive list of open-source software that everyone should know about!

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[–] osugi_sakae@midwest.social 11 points 3 days ago

krename is another excellent, but not as well known as it should be, KDE app.

krename can rename files and directories, and directories recursively, to almost anything. You can rename:

using information from the files or about the files (image info, date / time info, etc)
with templates (like #### for incrementing 0001, 0002, 0003, etc)
by adding parts of the original file name (first three characters then the last 4 characters, for example)
using find and replace (spaces to underscore, remove special characters, etc), including regular expressions
by changing case

or with a mix of everything.

krename has a simple mode and an advanced mode for renaming, so you don't have to jump into the deep end with the features.

You do have to be careful with some of the file info functions - it will happily try to rename a movie or a pdf with (non-existent) image EXIF info, for example. That would result in a file with a name you did not intend.