Go configuration with fangs.

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

A blazingly fast JSON serializing & deserializing library.

Go library for managing configuration data from environment variables.

Parse environment variables to Go structs (with defaults).

Go package to read and write INI files.

Light weight, extensible library for reading config in Go applications. Built in support for JSON, TOML, YAML, env, command line.

Command-line parser with support for arbitrarily complex command-line structures and additional sources of configuration such as YAML, JSON, TOML, etc (successor to kingpin).

Minimalistic configuration reader (from files, ENV, and wherever you want).

Go implementation of the XDG Base Directory Specification and XDG user directories.

Composable, observable and performant config handling for Go for the distributed processing era.

Simple, useful and opinionated config loader.

application config manage(load,get,set). support JSON, YAML, TOML, INI, HCL. multi file load, data override merge.

Load configuration in cascade from multiple backends into a struct.

Tiny library for reading configuration from a file and from environment variables (with validation & defaults).

GoLobby Config is a lightweight yet powerful configuration manager for the Go programming language.

Cloud native application configuration. Bind ENV to structs in only two lines.

Human JSON, a configuration file format for humans. Relaxed syntax, fewer mistakes, more comments.

Lightweight configuration manager for Go.

The simplest API for reading/watching config from file, env, flag and clouds (e.g. AWS, Azure, GCP).

Read your configuration from environment variables.

Small configuration library for Go that parses environment variables, JSON files, and reloads automatically on SIGHUP.

Harvester, a easy to use static and dynamic configuration package supporting seeding, env vars and Consul integration.

Layer based configuration for Go, Supports JSON, TOML, YAML, properties, etcd, env, and encryption using PGP.

Library for initializing configuration structs from env variables, files, flags and 'default' tag.

Helpers to manage environment variables.

opinionated configuration loading & validation framework from ENV and Files focused towards 12-Factor compliant applications.

Cross platform package that follows the XDG Standard.

Configuration library for working with the HOCON(a human-friendly JSON superset) format, supports features like environment variables, referencing other values, comments and multiple files.

Lightweight, zero-dependency, and extendable configuration management.

Go application configuration made easy.

A lightweight package for loading environment variables into structs.

Go package that fetches parameters from AWS System Manager - Parameter Store.

Provides configuration through multiple sources, including JSON, flags and environment variables.

configure your app using file, environment variables, or flags in two lines of code

Modular JSON configuration. Keep your config structs along with the code they configure and delegate parsing to submodules without sacrificing full config serialization.

The library provides a unified way to read configuration data into a structure from various sources, such as env, flags, and configuration files (.json, .yaml, .toml, .env).

A simple configuration library with recursive placeholders resolution and no magic.

Read environment variables easily with dotenv support.

Flags persisted in an ini-like config file.

Structured data format to config struct decoder library for Go - supporting multiple data formats

Golang package for parsing ini-style configuration files.

Library/tool to merge multiple JSON/YAML/TOML files from arbitrary URLs, validation against a JSON schema, and application of default values defined in the schema.

Go utility for loading configuration parameters from AWS SSM (Parameter Store).

BCL is a configuration language similar to HCL.

A Go package that read or set data from map, slice or json.

Simple useful package for read environment variables.

The "safe subset" of YAML for Go configs.

INI Parser & Write Library, Unmarshal to Struct, Marshal to Json, Write File, watch file.

A Go package that marshals and unmarshals INI-files.

Yaml with environment variables reader. it helps to have secrets as environment variable but load them configs as structured Yaml.

Simple library for application configuration based on annotated structs. It supports reading the configuration from environment variables, config files and command line parameters.

Tag-based configuration parser which loads values from different providers into typesafe struct.

Minimalistic, zero dependency, typed environment variables library.

Per-library struct-tag based configuration from command lines (Posix & Go-style); environment, JSON, YAML

Viper wrapper with config inheritance and key generation.

Instantiate/configure structs recursively, based on build environment. (YAML, TOML, JSON and env).

An environment utility package with support for unmarshaling into structs

Config manager with Struct Tags based contracts, custom value providers, parsers, and documentation generation. Customizable yet simple.

Extensible, high-performance configuration management library, optimized for hierarchical data.