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Ksuid Alternatives
Similar projects and alternatives to ksuid
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SaaSHub
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chaosmonkey
Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.
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uuid
Go package for UUIDs based on RFC 4122 and DCE 1.1: Authentication and Security Services. (by google)
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cuid
Deprecated collision-resistant id spec. Insecure because it leaks timestamps. Use cuid2 instead.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better ksuid alternative or higher similarity.
ksuid discussion
ksuid reviews and mentions
Posts with mentions or reviews of ksuid.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-12-12.
- A brief history of the UUID (2017)
- What happens after 100 years?
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Zero Downtime Postgres Upgrades
OP here - we avoid sequences in all but one part of our application due to a dependency. We use [KSUIDs][1] and UUID v4 in various places. This one "gotcha" applies to any sequence, so it's worth calling out as general advice when running a migration like this.
[1]: https://segment.com/blog/a-brief-history-of-the-uuid/
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Bye Sequence, Hello UUIDv7
UUID v4 isn't large enough to prevent collisions, that is why segment.io created https://github.com/segmentio/ksuid which is 160bit vs the 128bit of a UUIDv4.
- You Don't Need UUID
- A Brief History of the UUID
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Type-safe, K-sortable, globally unique identifier inspired by Stripe IDs
Assuming you don't need to use UUIDv7 (or any UUID's) then https://github.com/segmentio/ksuid provides a much bigger keyspace. You could just append a string prefix if you wanted to namespace, but the chance of collisions of a KSUID is many times smaller than a UUID of any version.
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Unexpected downsides of UUID keys in PostgreSQL
KSUID's are have temporal-lexicographical order plus 128 bits of entropy, which is more than UUIDv4.
https://github.com/segmentio/ksuid
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UUIDs are so much better than autoincrementing ids and it's not even close
That's why you use ksuid (https://segment.com/blog/a-brief-history-of-the-uuid/) or, if you're willing to go with a draft spec you could go with the new UUID formats https://www.ietf.org/archive/id/draft-ietf-uuidrev-rfc4122bi...
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What Happened to UUIDv2?
Interesting in more history of UUIDs? Twilio Segment's blog has an amazing history lesson about how they came to be.
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A note from our sponsor - SaaSHub
www.saashub.com | 9 Jun 2026
Stats
Basic ksuid repo stats
39
5,243
3.1
over 2 years ago
segmentio/ksuid is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of ksuid is Go.
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