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Checker Alternatives
Similar projects and alternatives to checker
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gorilla/csrf
Discontinued gorilla/csrf provides Cross Site Request Forgery (CSRF) prevention middleware for Go web applications & services 🔒
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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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.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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gbind
Bind data to any Go value. Can use built-in and custom expression binding capabilities; supports data validation logic for Go values. // 将数据绑定到任何 Go 值。可使用内置和自定义表达式绑定能力；支持对Go值的数据校验逻辑.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better checker alternative or higher similarity.
checker discussion
checker reviews and mentions
Posts with mentions or reviews of checker.
We have used some of these posts to build our list of alternatives
and similar projects.
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A Command-Line Interface for Go's Checker Validation Library
Checker — the zero-dependency Go validation library — now ships a standalone CLI that closes that gap:
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Struct Tag Validation in Go: A Practical Guide
Every Go API ends up needing the same thing: take a JSON body, clean it up, make sure it's valid, and tell the client exactly what's wrong if it isn't. This guide walks through building that for a real signup form, using struct tags instead of hand-written if chains, with Checker as the tool doing the work.
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Catch Bad Validation Tags at Compile Time with checkerlint
Full details, including exactly which checkers are type-checked, are in the checkerlint README. It's a separate, independently versioned module — adding it to your CI doesn't add a single dependency to the core checker library your code actually imports.
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Returning RFC 9457 Problem Details from Go Validation Errors
RFC 9457 — Problem Details for HTTP APIs — is the IETF standard that fixes this: a application/problem+json body with type, title, status, and room for problem-specific extensions. Checker now builds one of these directly from a failed struct validation, via CheckErrors.ProblemDetails().
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Stop Hand-Rolling Validation in Go — Meet Checker
Checker is a Go library built to make that pile of if statements disappear — declaratively, with zero external dependencies. Here's why it's worth a look.
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A note from our sponsor - SaaSHub
www.saashub.com | 14 Oct 2026
Stats
Basic checker repo stats
5
53
8.9
about 1 month ago
cinar/checker is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of checker is Go.
Sponsored
AppSignal knows why the f*#k it crashed.
Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
www.appsignal.com