The source code for SD is maintained on Github. When you download SD, you will get all the source code. The current version has been tested on Debian 13, Ubuntu 24.04, Fedora 43 and Manjaro. You can also install it on Windows Subsystem for Linux and on the Raspberry Pi 5.
Repository for the database: https://github.com/stringdatabase/sdb64
Repository for install and delete scripts: https://github.com/stringdatabase/sd-scripts
If you are a developer, clone or download the sdb64 repository.
You can download the install and delete scripts from the GitHub sd-scripts repository shown above.
To install SD, just clone the sd-scripts repository or download as a zip file, extract the scripts, make the scripts executable and then run installsd.sh. The installer will handle installation of required packages, downloading and compiling of source, installation of SD into the proper directories and deletion of the temporary files.