https://github.com/osamingo/checkdigit

Provide check digit algorithms and calculators written in Go

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Last synced: 05 Apr 2025

https://github.com/sunaoka/damm

A PHP library that calculates and verifies the check digit using the Damm algorithm.

checkdigit damm

Last synced: 31 Oct 2025

https://github.com/yumetodo/individual_number_check_digit_calcurator

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Last synced: 18 May 2026

https://github.com/go-oss/damm

Damm check digit algorithm written in Go.

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Last synced: 25 Jan 2026

https://github.com/choval/lid

A long represantation of a BIGINT for use in the Web with checksum

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Last synced: 30 May 2026

https://github.com/jancajthaml-go/damm

damm check-digit validator and generator

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Last synced: 14 Jan 2026

https://github.com/aochoae/checkdigit-algorithms-php

Damm, Luhn and Verhoeff algorithms

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Last synced: 01 Jun 2026