SQL Clients
lxClient
lxClient is a simple command line SQL client bundled with LeanXcale. You can check the documentation here.

SQuirreL
SQuirreL is a powerful open source graphical application that you can install on your computer to connect to your LeanXcale instance and write, edit and execute SQL statements, edit the result-sets and much more. You can check the documentation about installing and configuring SQuirreL here.
