dotenv-mono
This package permit to have a centralized dotenv on a monorepo. It also includes some extra features such as manipulation and saving of changes to the dotenv file, a default centralized file, and a file loader with ordering and priorities.
validate-env-vars
A lightweight utility to check the presence and validity of environment variables, as specified by a Zod schema
puntoenv
Simple package that enables you to load .env files in to process.env and also do variable expansion in a predetermined order based on the NODE_ENV environment variable value.
ts-env-vars
Package that makes dealing with environment variables type safe