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Cuid2 Alternatives
Similar projects and alternatives to cuid2
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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cuid2
Next generation GUIDs. Collision-resistant ids optimized for horizontal scaling and performance. (by gordon-code)
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django-spicy-id
🌶️ Self-identifying row IDs ("type ids") for Django. A drop-in replacement AutoField.
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cuid2
Go port of CUID2 unique identifier from studying JavaScript and Java implemenations. (by jarrodhroberson)
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better cuid2 alternative or higher similarity.
cuid2 discussion
cuid2 reviews and mentions
Posts with mentions or reviews of cuid2.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-11-11.
- Cuid2: Next Generation GUIDs
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UUID 🪪 or Auto Increment Integer / Serial ⚙️ as the Database Primary Key?
Bespoke solutions are invented to address the limitation of UUID including Snowflake ID, ulid, cuid. IETF also published a draft in April 2021 to propose a new UUID format. And in May 2024, IETF finally approved the draft. The approved UUIDv7 format:
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Ask HN: ULID or CUID2 for B2B Startup?
https://github.com/paralleldrive/cuid2
What should I use for a startup going after B2B sales?
ULIDs or CUID2s for primary keys?
I remember seeing Hussein Nasser's Shopify video: https://www.youtube.com/watch?v=f53-Iw_5ucA
And it made me switch to using ULIDs instead.
I know this may fall into the "premature optimization is the root of all evils" category. But since it's straightforward, what should I do?
I've been using ULIDs in distributed systems with no problems so far.
- ULID or CUID2?
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The UX of UUIDs
The CUID readme [1] explains that there's no real point to K-sortable on modern hardware:
[1] https://github.com/paralleldrive/cuid2?tab=readme-ov-file#no...
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Bye Sequence, Hello UUIDv7
There's a comparison in the README of the project:
https://github.com/paralleldrive/cuid2#the-contenders
Some of the arguments mentioned are explained elsewhere in the README, others are assumed.
One argument standing out for me is the lack of collision-resistance for UUIDv4 which is surprising for me and I didn't spot any sources for that argument.
Another argument is the entropy source where they go about that Math.random is not reliable as a single entropy source but glimpsing at the source code, they sprinkle the CUID with Math.random data.
I am no expert in ID security, so I am not qualified to speak about the validity of their arguments, only that there's insufficient information to validate without prior knowledge about the problem domain.
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You Don't Need UUID
I'm recently finding cuid2 to be the best of these alternative GUIDs. They seem to have all of the benefits for what you would want to use a GUID for, but none of the drawbacks of existing implementations.[1]
[1]: https://github.com/paralleldrive/cuid2#the-contenders
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Cuid2 - Secure, collision-resistant ids optimized for horizontal scaling and performance. Next generation UUIDs.
I've just released v2.0.0 of my cuid2 python port. The original cuid2 package comes from JS world by ParallelDrive. They have a lot of the reasons to use Cuid2 posted in their repo, including
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I "did my own research" and "AI" is not taking my job any time soon.
I recently wrote a Go implementation of CUID2 because I could not find an existing one. It is not hello-world, but it is not duff's device either, which by the way neither could explain what it did from just the raw code in isolation.
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I'm making a hashing function to hash user ids for a hobby app and would love some feedback
I think this implementation is the original one. It has the following to say about why it exists. And what it is good for:
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A note from our sponsor - SurveyJS
surveyjs.io | 21 May 2025
Stats
Basic cuid2 repo stats
19
2,958
3.7
8 months ago
paralleldrive/cuid2 is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of cuid2 is JavaScript.
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