This desktop app for hosting and running LLMs locally is rough in a few spots, but still useful right out of the box.

SQLite has its place, but it’s not fit for every occasion. Learn how to set up install-free versions of MariaDB, PostgreSQL MongoDB, and Redis for your development needs.

If you need to use virtual machines on Linux, try Virt-Manager. Virt-Manager is more reliable than VirtualBox. Virt-Manager is completely free and open-source. I'm a long-time supporter of VirtualBox.