Dev tools · alternatives · 2026

24 alternatives to MemSQL

World's fastest in-memory database

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. MemSQL launched in 2015; newer entries below may have overtaken it.

1
MemSQL Community Edition▲89
A database so scalable everyone can use it
2015 · its alternatives →
2
Periscope Data Cache▲174
150X faster data analysis
2015 · periscopedata.com · its alternatives →
3
JawsDB▲116
Fast, reliable, no-bullshark MySQL as a service
2017 · jawsdb.com · its alternatives →
4
SummitDB – In-Memory NoSQL DB▲81
In-memory NoSQL database with ACID transactions, Raft consensus, and Redis API - tidwall/summitdb
2016 · github.com · its alternatives →
5
PlanetScale Boost▲93
Up to 1,000× faster database queries with just a few clicks
2023 · planetscale.com · its alternatives →
6
Releem▲250
Database performance management tool for developers
2024 · releem.com · its alternatives →
7
clientdb▲295
Build lightning fast apps with instantaneous interactions
2022 · its alternatives →
8
QuestDB▲194
Fastest open source database for time-series and analytics
2020 · questdb.com · its alternatives →
9
Realm▲168
Realm, Mobile-first database. Build fast apps, faster.
2014 · mongodb.com · its alternatives →
10
Software Engineering Daily - Scaling PostgreSQL▲70
A look at modern database approaches and how Citus scales PG
2016 · softwareengineeringdaily.com · its alternatives →
11MC
MemStash - Commit things to memory▲170
2012 · memstash.co · its alternatives →
12
Seed-DB▲174
A database of seed accelerators and their companies.
2014 · jedchristiansen.com · its alternatives →
13
Memgraph – Transactional, in-memory, cypher-compatible graph database▲89
Memgraph 1.0 is now production-ready, offering high-performance, in-memory graph database with Cypher support.
2020 · memgraph.com · its alternatives →
14
PipelineDB▲62
Realtime analytics database
2014 · its alternatives →
15
MemSync▲133
Unified Memory for all of your apps
2025 · chromewebstore.google.com · its alternatives →
16
MainMemory – Wannabe Main Memory Database and More▲21
Wannabe Main Memory Database and More. Contribute to ademakov/MainMemory development by creating an account on GitHub.
2017 · github.com · its alternatives →
17
SlamData▲75
SQL on MongoDB Analytics
2015 · slamdata.com · its alternatives →
18
Memno▲104
We built Memno. We like to think of Memno as an AI chief of staff. Every photo, document, and voice note you share becomes searchable memory. Ask "What did we decide about Q4?" and it pulls from all your sources. Can also make calls and send texts on your behalf (with approval!) Each user gets their own isolated environment with dedicated vector database, metadata storage, and object storage instances. Some highlights: - Complete data isolation per user (no shared databases), encrypted at rest - Sub-50ms vector search - Document processing pipeline for OCR/transcription/object…
2025 · memno.ai · its alternatives →
19
PlanetScale Metal▲127
The fastest way to run databases in AWS or GCP
2025 · planetscale.com · its alternatives →
20
Memgraph 1.0▲65
A high-performance, in-memory, transactional graph database.
2020 · memgraph.com · its alternatives →
21
Realm Xamarin▲95
The fastest database on Xamarin for reactive mobile apps
2016 · its alternatives →
22
Realm React Native▲137
The fastest database for cross platform mobile apps
2016 · mongodb.com · its alternatives →
23
Datomic▲73
Distributed immutable transactional database for the cloud
2014 · datomic.com · its alternatives →
24IB
I built a MySQL storage engine which is InnoDB compatible▲106
upscaledb - a blazingly fast embedded key-value store with analytical functions
2016 · upscaledb.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →