Free Software Directory (FSD) catalogs free software that runs under free operating systems - particularly GNU and Linux. Developed by Free Software Foundation (FSF)
License: Free
Slant provides a broader range of software options with a user-friendly interface and community engagement, while the Free Software Directory focuses specifically on free and open-source software with detailed licensing information. Users seeking a comprehensive software comparison will prefer Slant, whereas those interested in free software will find the Free Software Directory more suitable.