34 Open Source Data Validation Software Projects

A React component for building Web forms from JSON Schema.

Lightweight, extensible data validation library for Python

Validation library with type-safe schemas and rules

Elegant, highly efficient data validation for JavaScript.

A proxy that validates responses and requests against an OpenAPI document.

A flexible and expressive pandas data validation library

Data validation and organization of metadata for data frames and database tables

Frictionless Framework is a framework to describe, extract, validate, and transform tabular data.

A dead simple Python string validation library.

Data Cleaning Libraries with Python

Coercion and validation for data structures

Google ReCaptcha package for Laravel

An RDF Unit Testing Suite

Typical: Fast, simple, & correct data-validation using Python 3 typing.

Declarative data validations.

Validator for the Brain Imaging Data Structure

Check that your CSV files are valid

A data modeling language (for node and the browser)

Create "immutable" objects with no setters, just getters.

Data validation and conformation library for Elixir.

A collaborative framework for annotating medical datasets using crowdsourcing.

A tool to validate data built around Apache Spark.

A minimalist data driven data model library, inspired by Clojure Spec and Malli.

Lightweight framework for input validation written in Swift

IATI.cloud extracts all published IATI XML files from the IATI Registry and stores them in Apache Solr, that you can query using a RESTful API. aka: IATI Datastore

Java port of form-binder, a micro data binding and validating framework

Another library for defensive data analysis.

(unreleased) Data validation with first-class and first-order labels in OCaml

Functional input validation to make R functions more readable and robust

A collection of common validation predicates for ValidationToolkit framework

Data validator for the zen of python

A micro data binding and validating framework, very easy to use and hack

Rule based data validation library for python 3.

A simple PHP package for data validation with extensive preset rules and custom rules.