id128 vs uulid.go

id128

128-bit id generation in multiple formats (by aarondcohen)

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uulid.go

ULID-UUID compatibility library for generating and parsing ULIDs. (by sudhirj)

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id128		uulid.go
	Project
1	Mentions	2
301	Stars	31
-	Growth	-
3.8	Activity	2.6
about 3 years ago	Latest Commit	6 months ago
JavaScript	Language	Go
MIT License	License	MIT License

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

id128

Posts with mentions or reviews of id128. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-01-22.

Timeflake: 128-bit, roughly-ordered, URL-safe UUIDs
8 projects | news.ycombinator.com | 22 Jan 2021

https://github.com/ulid/spec isn't timeflake, but is a good spec, and there are implementations in multiple languages. there are 2 listed for js.
https://github.com/aarondcohen/id128 and https://github.com/ulid/javascript

uulid.go

Posts with mentions or reviews of uulid.go. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-08-06.

New UUID Formats – IETF Draft
11 projects | news.ycombinator.com | 6 Aug 2021

For those interested in time based UUIDs, I've written libraries in Ruby and Go to move quickly between them:
https://github.com/sudhirj/uulid.go
Timeflake: 128-bit, roughly-ordered, URL-safe UUIDs
8 projects | news.ycombinator.com | 22 Jan 2021

There’s a spec called ULID that’s pretty much this with default base32 encoding
https://github.com/ulid/spec
I’ve also worked on a UUID-ULID bridge for Go
https://github.com/sudhirj/uulid.go
And seeing as this is just 128 bits it’s quite easy to move seamlessly between formats and representations.
I’ve found this concept especially useful in nosql stores like DynamoDB, where using a ULID primary key makes objects time sortable automatically. It’s also quite easy to query for items by zeroing out the random component and setting only the time stamp bytes.

What are some alternatives?

When comparing id128 and uulid.go you can also consider the following projects:

Pomelo.EntityFrameworkCore.MySql - Entity Framework Core provider for MySQL and MariaDB built on top of MySqlConnector

timeflake - Timeflake is a 128-bit, roughly-ordered, URL-safe UUID.

ulid-mssql - Implementation of ULID generator For Microsoft SQL Server

sequential-uuids - generator of sequential UUIDs

umbrella - ⛱ Broadly scoped ecosystem & mono-repository of 192 TypeScript projects (and 157 examples) for general purpose, functional, data driven development

Ulid - Fast .NET C# Implementation of ULID for .NET and Unity.

ksuid - K-Sortable Globally Unique IDs

spec - The canonical spec for ulid

shortuuid.rb - Convert UUIDs & numbers into space efficient and URL-safe Base62 strings, or any other alphabet.

uuid6-ietf-draft - Next Generation UUID Formats