viper VS env

Compare viper vs env and see what are their differences.


Go configuration with fangs (by spf13)


A simple and zero-dependencies library to parse environment variables into structs (by caarlos0)
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viper env
74 11
25,960 4,440
- -
8.8 7.4
3 days ago 6 days ago
Go Go
MIT License MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of viper. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-04-22.


Posts with mentions or reviews of env. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-03-24.

What are some alternatives?

When comparing viper and env you can also consider the following projects:

godotenv - A Go port of Ruby's dotenv library (Loads environment variables from .env files)

ini - Package ini provides INI file read and write functionality in Go

envconfig - Small library to read your configuration from environment variables

kelseyhightower/envconfig - Golang library for managing configuration data from environment variables

koanf - Simple, extremely lightweight, extensible, configuration management library for Go. Support for JSON, TOML, YAML, env, command line, file, S3 etc. Alternative to viper.

toml - Instream TOML to JSON encoder

cleanenv - ✨Clean and minimalistic environment configuration reader for Golang

mapstructure - Go library for decoding generic map values into native Go structures and vice versa.

go-env - Golang handling of environment values