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Mentat Alternatives
Similar projects and alternatives to mentat
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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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cozo
A transactional, relational-graph-vector database that uses Datalog for query. The hippocampus for AI!
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differential-datalog
DDlog is a programming language for incremental computation. It is well suited for writing programs that continuously update their output in response to input changes. A DDlog programmer does not write incremental algorithms; instead they specify the desired input-output mapping in a declarative manner.
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CrossLine
CrossLine is an outliner with sophisticated cross-link capabilities in the tradition of the well-respected Ecco Pro
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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client-side-databases
An implementation of the exact same app in Firestore, AWS Datastore, PouchDB, RxDB and WatermelonDB
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abcl
Armed Bear Common Lisp <git+https://github.com/armedbear/abcl/> <--> <svn+https://abcl.org/svn> Bridge
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emacs
Mirror of GNU Emacs with backports from master: emacs-27.2-sqlite, emacs-28.0.90-sqlite, emacs-28.0.91-sqlite (by geko)
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SaaSHub
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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 mentat alternative or higher similarity.
mentat discussion
mentat reviews and mentions
Posts with mentions or reviews of mentat.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-11-16.
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Why did Mozilla abandon the Mentat database?
Why did Mozilla abandon the Mentat database?
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Asami: A flexible graph store in Clojure
There is (now unmaintained) project called Mentat [0] from Mozilla.
[0] https://github.com/mozilla/mentat
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Ideas for DataScript 2
Mozilla was working on the opposite, a Datalog of SQLite, with Mentat, now abandoned: https://github.com/mozilla/mentat
Strikes me as a basically sound idea and it would be lovely if someone picked up the ball.
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SQLite Internals: Pages and B-trees
mentat was archived by mozilla back in 2017, but there are a bunch of forks. Because github is dumb and has a terrible interface for exploring forks [0], I used the Active GitHub Forks tool [1] that helped to find:
qpdb/mentat [2] seems to be the largest (+131 commits) and most recently modified (May this year) fork of mozilla/mentat.
[0]: https://github.com/mozilla/mentat/network/members - Seriously, how am I supposed to use this? Hundreds of entries, but no counts for stars, contributors, or commits, no details about recent commits. Just click every one?
[1]: https://techgaun.github.io/active-forks/index.html
[2]: https://github.com/qpdb/mentat
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Call for Help - Open Source Datom/EAV/Fact database in Rust.
There are plenty of open source Datomic Inspired databases. Check out https://github.com/juji-io/datalevin and scroll down all the way down to “Alternatives”. There was even the beginning of a rust one by Mozilla: https://github.com/mozilla/mentat
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Emacs team considering including SQLite
I think you might be slightly misreading things, from what you quoted it’s about the query language (sql vs Datalog) not the database engine, that would likely be SQLite in any case. Now whether grafting a Datalog query engine onto SQLite is a good idea is a different question (though it’s been done, eg https://github.com/mozilla/mentat), but we should all at least talk about the same thing :)
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I Made the Exact Same App with Firebase,AWS Amplify,RxDB,PouchDB,WatermelonDB
You might be interested in the now defunct Mentat project from Mozilla. They made an EAV store with syncing on top of sqlite. It ran datalog queries by translating them into sql.
https://github.com/mozilla/mentat
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A note from our sponsor - SaaSHub
www.saashub.com | 10 Jul 2025
Stats
Basic mentat repo stats
9
1,610
10.0
almost 7 years ago
mozilla/mentat is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of mentat is Rust.
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