From their GitHub repo page:
FontForge is a free (libre) font editor for Windows, Mac OS X and GNU+Linux. Use it to create, edit and convert fonts in OpenType, TrueType, UFO, CID-keyed, Multiple Master, and many other formats.
FontForge also has a book about how to design typefaces through its software (hosted on GitHub Pages, no HTTPS connection).
Thanks for sharing this! Very helpful in a work project I’m just starting
Glad to see someone finding this useful as much as I did!
Here’s a tutorial on creating fonts from your own handwriting:
https://gordonlesti.com/creating-a-handwritten-truetype-font-in-linux/
If you have a graphics tablet, I found an even easier method, using Inkscape and then later importing into FontForge:
https://inkscape-manuals.readthedocs.io/en/latest/creating-custom-fonts.html
Nice app, although Windows has its own font editor by default, eudcedit.exe, but FontForge is a great alternative for those who often require creating fonts (designers).