What are some alternatives?
When comparing BirdFont and Total Commander, you can also consider the following products
FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
Double Commander - Double Commander is a cross-platform open source file manager with two panels side by side.
FontStruct - FontStruct. Build, Share, Download Fonts
FreeCommander - FreeCommander is an easy-to-use alternative to the standard windows file manager. The program helps you with daily work in Windows. Here you can find all the necessary functions to manage your data stock.
FontCreator - This professional font editor allows you to create and edit TrueType and OpenType fonts.
XYplorer - File Manager for Windows