hvalid

validator

:100:Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving

govalidator

[Go] Package of validators and sanitizers for strings, numerics, slices and structs

ozzo-validation

An idiomatic Go (golang) validation package. Supports configurable and extensible validation rules (validators) using normal language constructs instead of error-prone struct tags.

govalidator

Validate Golang request data with simple rules. Highly inspired by Laravel's request validation.