Leo is a fundamentally different way of using and organizing data, programs and scripts. Leo has been under active development for 20+ years with an active group of developers and users.
Leo Editor is a tool in the Integrated Development Environment category of a tech stack.
Leo Editor is an open source tool with 417 Github Stars and 88 Github Forks. Here’s a link to Leo Editor's open source repository on Github
Here’s a list of reasons why companies and developers use Leo Editor.