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Fast and precise serialization and arithmetic for small fixed-point decimals

Fast and simple ISO4217 fixed-point decimal money

Invoice and billing document framework. JSON Schema based. Automates tax calculations and validation, with tooling to convert into global formats

Immutable monetary amounts and exchange rates with panic-free arithmetic

Query OFX servers and/or parse the responses (with example command-line client)

Matching Engine for Limit Order Book in Golang

Technical analysis library with advanced market analysis and trading strategies

Embedded transactional database of accounts, running in multithreaded mode

High performance, high precision, zero allocation fixed-point decimal library for financial applications

VAT number validation & EU VAT rates

Bind form data to any Go values

Checker helps validating user input through rules defined in struct tags or directly through functions

decode form's values into a struct

Framework-agnostic library for parsing and validating form/JSON data which supports multipart forms and files

Bind data to any Go value. Can use built-in and custom expression binding capabilities; supports data validation

CSRF protection for Go web applications & services

Decode an HTTP request into a custom struct, including querystring, forms, HTTP headers, etc

CSRF protection middleware for Go

Decode into usable struct values of standard or custom types

Eliminates boilerplate code for parsing HTTP requests by binding cookies, headers, query params, path params, body to structs and more by using simple tags

An avatar generator for Go

Vector graphics to PDF, SVG or rasterized image

Dominant color extractor with no external dependencies

An image proxy with changeable storage backends and image processing engines with focus on speed and resiliency