hashicorp / go-multierror

A Go (golang) package for representing a list of errors as a single error.

kisielk / errcheck

errcheck checks that you checked errors.

cockroachdb / errors

Go error library with error portability over the network

gookit / goutil

💪 Helper Utils(900+): int, byte, string, array/slice, map, struct, dump, convert/format, error, web/http, cli/flag, OS/ENV, filesystem, system, test/assert, time and more. Go 常用的工具函数：数字，字符串，数组，Map，结构体，反射，文本，文件，错误，时间日期，特殊处理，格式化，常用信息获取等等

tarampampam / error-pages

🪂 Tiny, zero-dep HTTP server & Docker image serving pretty, themeable, localized HTTP error pages — drop-in for Traefik, Nginx, Kubernetes, and more

palantir / stacktrace

Stack traces for Go errors

rhevorn / shape

Type-safe, dependency-free schema validation for Go 1.24+, with generics, JSON parsing, localized errors, JSON Schema, and OpenAPI support.