Lando is for developers who want to:

Quickly specify and painlessly spin up the services and tooling needed to
develop their projects.
Ship these local development dependencies in a per-project, lives-in-git
config file
Automate complex build steps, testing setups, deployments or other repeated-
more-than-once workflows
Avoid the built-in-masochism of directly using docker or docker-compose
It's a free, open source, cross-platform, local development environment and
DevOps tool built on Docker container technology and developed by Tandem.
Designed to work with most major languages, frameworks and services, Lando
provides an easy way for developers of all skill levels to specify simple or
complex requirements for their projects, and then quickly get to work on them.

Think of it as your local development dependency management and automation
tool.