❄️ A PHP library for generating universally unique identifiers (UUIDs).

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• Updated Nov 12, 2026
• PHP

❄️ 🗄️ Allow the use of a ramsey/uuid UUID as Doctrine field type.

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• Updated Aug 26, 2024
• PHP

🆔 Type-safe identifiers in Swift

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• Updated Oct 3, 2020
• Swift

The football entity register. Maps player, team, and coach identities across Transfermarkt, FBref, UEFA, Sofascore, and 25+ data providers.

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• Updated Aug 20, 2026
• TypeScript

Nostril: Nonsense String Evaluator

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• Updated May 7, 2022
• Python

A python library/command-line tool to extract the DOI or other identifiers of a scientific paper from a pdf file.

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• Updated Feb 23, 2025
• Python

⚠️ ARCHIVED ⚠️ A programmatic interface the Orcid.org API

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• Updated May 6, 2024
• R

A mapping between SDCs M&A database and the gvkey's in Compustat

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• Updated Jul 17, 2024

Link Wikidata items to large catalogs

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• Updated Nov 2, 2026
• Python

List of useful things

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• Updated Nov 8, 2026

Big Data Bag Utilities

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• Updated Jun 26, 2026
• Python

ISCC: International Standard Content Code

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• Updated Nov 11, 2026
• Python

A tiny and principled library for type-safe IDs

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• Updated Sep 20, 2019
• Scala

An implementation of CTI (Cross-domain Typed Identifiers) and CTI/Metadata specification in Go.

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• Updated Nov 2, 2026
• Go

Ananoid provides nano identifiers, an alternative to UUIDs.

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• Updated Mar 29, 2026
• F#

chemical identifiers (CAS, PubChemID, SMILES,InChI, InChI keys, names) from text search

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• Updated Nov 23, 2024
• Julia

When UUID is not enough!

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• Updated Jun 13, 2021
• Elixir

A resource that captures all identifiers of players in the database

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• Updated Mar 31, 2020
• Lua

Peppol and Oxalis supporting library

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• Updated Sep 4, 2026
• Java

🎫 High-speed a FNV-1a-128 hash-based UUID.

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• Updated Jul 28, 2021
• C#