The best alternatives to Directory Serve are GitHub, shell.how, and Noteli. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Directory Serve?
Auth0 by Okta— Make login our problem. Not yours. Get started today.
shell.how explains how your shell command works. It uses open source data from Fig (https://fig.io) and supports descriptions for hundreds of CLI tools like git, npm/yarn, docker, and aws. Contribute today: https://github.com/withfig/autocomplete
Noteli is an Open Source CLI tool made especially for note-taking. Noteli is built using powers of TypeScript and security of Auth0 with MongoDB. Noteli would help developers to take notes quickly from the shell without wasting time through GUI :P