Go Package Radar
Go package comparison

Viper vs Koanf

Compare two Go packages using the same scoring model: maintenance, adoption, security, maturity, developer experience, and data confidence.

Viper Koanf Go Configuration Libraries

Quick Decision

Koanf currently leads this comparison by the weighted health model.

95

Viper

Go configuration with fangs.

91
Maintenance 80
Adoption 100
Security 92
Maturity 100
Developer DX 83
Confidence 100

Koanf

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

95
Maintenance 95
Adoption 100
Security 92
Maturity 94
Developer DX 91
Confidence 100

Metric Table

side by side
Metric Viper Koanf Lead
Health 91 95 Koanf
Maintenance 80 95 Koanf
Adoption 100 100 Tie
Security 92 92 Tie
Maturity 100 94 Viper
Imported by103.3K540Viper
Stars30.3K4.0KViper
Last activity4 months ago8 days agoReview dates
Known vuln records00Tie

Choose Viper if

You prefer its current score profile and the package fits your framework or API style.

Its maintenance, adoption, and security signals match your project risk tolerance.

Choose Koanf if

You prefer its current score profile and the package fits your framework or API style.

Its maintenance, adoption, and security signals match your project risk tolerance.