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DB-Engines Ranking of Key-value Stores

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The DB-Engines Ranking ranks database management systems according to their popularity. The ranking is updated monthly.

This is a partial list of the complete ranking showing only key-value stores.

Read more about the method of calculating the scores.

☑ include secondary database models				77 systems in ranking, July 2026
Rank			DBMS	Database Model	Score
Jul 2026	Jun 2026	Jul 2025			Jul 2026	Jun 2026	Jul 2025
1.	1.	1.	MongoDB	Document, Multi-model Document store Key-value store Spatial DBMS Search engine Time Series DBMS Vector DBMS	386.62	-1.36	-17.22
2.	2.	2.	Redis	Key-value, Multi-model Key-value store Document store Graph DBMS Spatial DBMS Search engine Time Series DBMS Vector DBMS	153.81	+3.79	+4.09
3.	3.	3.	Amazon DynamoDB	Multi-model Document store Key-value store	55.92	-1.97	-28.23
4.	4.	4.	Microsoft Azure Cosmos DB	Multi-model Document store Graph DBMS Key-value store Wide column store Spatial DBMS	21.23	-0.43	-0.45
5.	5.	5.	Memcached	Key-value	14.03	+0.93	-2.34
6.	6.	6.	Couchbase	Multi-model Document store Vector DBMS Key-value store Spatial DBMS Search engine Time Series DBMS Vector DBMS Wide column store	9.23	-0.53	-3.74
7.	7.	7.	etcd	Key-value	7.29	+0.27	+0.40
8.	8.	8.	Trino	Relational, Multi-model Relational DBMS Document store Key-value store Spatial DBMS Search engine Time Series DBMS Wide column store	7.24	+0.23	+1.97
9.	9.	11.	ScyllaDB	Wide column, Multi-model Wide column store Key-value store	4.94	+0.21	+0.96
10.	10.	9.	Hazelcast	Key-value, Multi-model Key-value store Document store	4.71	+0.10	-0.33
11.	12.	10.	Aerospike	Multi-model Document store Graph DBMS Key-value store Spatial DBMS	3.97	+0.26	-1.03
12.	11.	16.	RocksDB	Key-value	3.84	+0.08	+0.72
13.	13.	17.	ArangoDB	Multi-model Document store Graph DBMS Key-value store Search engine	3.54	+0.02	+0.71
14.	14.	12.	Oracle NoSQL	Multi-model Document store Key-value store Relational DBMS	3.54	+0.06	+0.13
15.	16.	14.	Riak KV	Key-value	3.12	+0.04	-0.12
16.	15.	13.	Ehcache	Key-value	2.82	-0.26	-0.49
17.	17.	15.	Apache Ignite	Multi-model Key-value store Relational DBMS	2.76	-0.01	-0.37
18.	18.	20.	GemFire	Key-value, Multi-model Key-value store Document store	2.57	+0.02	+0.06
19.	21.	29.	Valkey	Key-value	2.55	+0.07	+1.08
20.	19.	18.	OrientDB	Multi-model Document store Graph DBMS Key-value store	2.49	-0.01	-0.15
21.	20.	19.	Google Cloud Bigtable	Multi-model Key-value store Wide column store	2.47	-0.03	-0.09
22.	22.	21.	InterSystems IRIS	Multi-model Document store Key-value store Object oriented DBMS Relational DBMS	2.27	+0.20	-0.07
23.	23.	25.	LMDB	Key-value	1.90	0.00	+0.18
24.	24.	23.	Infinispan	Key-value	1.83	-0.01	-0.08
25.	25.	22.	LevelDB	Key-value	1.82	-0.01	-0.08
26.	26.	28.	Oracle Coherence	Key-value	1.60	-0.01	-0.06
27.	27.	27.	Amazon SimpleDB	Key-value	1.54	-0.02	-0.13
28.	28.	26.	Oracle Berkeley DB	Multi-model Key-value store Native XML DBMS	1.54	-0.02	-0.15
29.	29.	24.	GridDB Detailed vendor-provided information available	Time Series, Multi-model Time Series DBMS Key-value store Relational DBMS	1.46	-0.05	-0.44
30.	30.	32.	GridGain	Multi-model Columnar Key-value store Object oriented DBMS Relational DBMS	1.34	-0.05	+0.02
31.	31.	31.	Geode	Key-value	1.28	0.00	-0.05
32.	32.	30.	Tarantool	Multi-model Document store Key-value store Relational DBMS Spatial DBMS	1.27	-0.01	-0.07
33.	34.	33.	FoundationDB	Multi-model Document store Key-value store Relational DBMS	1.07	+0.18	+0.16
34.	33.	34.	GT.M	Key-value	0.90	0.00	+0.01
35.	35.	35.	NCache	Key-value, Multi-model Key-value store Document store Search engine	0.82	-0.03	-0.01
36.	37.	36.	KeyDB	Key-value	0.72	+0.03	+0.02
37.	36.	37.	ZODB	Key-value	0.70	0.00	+0.01
38.	38.	39.	Graph Engine	Multi-model Graph DBMS Key-value store	0.62	+0.00	+0.02
39.	39.	40.	Dragonfly	Key-value	0.55	0.00	+0.05
40.	40.	38.	BoltDB	Key-value	0.54	+0.00	-0.08
41.	41.	43.	Scalaris	Key-value	0.47	+0.03	+0.06
42.	43.	41.	WebSphere eXtreme Scale	Key-value	0.42	+0.00	-0.07
43.	42.	42.	MapDB	Key-value	0.42	0.00	-0.04
44.	44.	44.	Cloudflare Workers KV	Key-value	0.40	+0.03	+0.02
45.	45.	45.	Hibari	Key-value	0.35	+0.02	0.00
46.	46.	53.	ArcadeDB	Multi-model Document store Graph DBMS Key-value store Search engine Time Series DBMS Vector DBMS	0.27	+0.02	+0.13
47.	47.	46.	Project Voldemort	Key-value	0.24	0.00	-0.04
48.	50.	55.	Kyoto Tycoon	Key-value	0.23	+0.01	+0.14
49.	49.	60.	Tokyo Tyrant	Key-value	0.22	+0.00	+0.18
50.	51.	48.	LeanXcale	Multi-model Key-value store Relational DBMS	0.22	0.00	-0.06
51.	52.	47.	YTsaurus	Multi-model Document store Key-value store	0.21	+0.00	-0.07
52.	48.	49.	Immudb	Key-value, Multi-model Key-value store Relational DBMS	0.19	-0.04	-0.05
53.	53.	51.	YottaDB	Key-value, Multi-model Key-value store Relational DBMS	0.18	+0.00	-0.03
54.	54.	50.	Faircom DB	Multi-model Key-value store Relational DBMS	0.15	-0.02	-0.08
55.	55.	54.	Speedb	Key-value	0.10	-0.01	-0.03
56.	56.	52.	Badger	Key-value	0.08	+0.00	-0.06
57.	57.	56.	ScaleOut StateServer	Key-value	0.07	+0.00	+0.00
58.	58.	58.	Elliptics	Key-value	0.06	+0.00	+0.00
59.	59.	62.	STSdb	Key-value	0.04	+0.00	+0.01
60.	60.	64.	Faircom EDGE	Multi-model Key-value store Relational DBMS	0.02	-0.01	+0.01
61.	61.	63.	Resin Cache	Key-value	0.01	+0.00	0.00
62.	62.	65.	LedisDB	Key-value	0.00	+0.00	+0.00
63.	63.	66.	SwayDB	Key-value	0.00	+0.00	+0.00
64.	64.	67.	BergDB	Key-value	0.00	±0.00	±0.00
64.	64.	67.	Cachelot.io	Key-value	0.00	±0.00	±0.00
64.	64.	67.	CortexDB	Multi-model Document store Key-value store	0.00	±0.00	±0.00
64.	64.	67.	Helium	Key-value	0.00	±0.00	±0.00
64.	64.	67.	HyperLevelDB	Key-value	0.00	±0.00	±0.00
64.	64.	67.	InfinityDB	Key-value	0.00	±0.00	±0.00
64.	64.	59.	JaguarDB	Multi-model Key-value store Vector DBMS	0.00	±0.00	-0.06
64.	64.	67.	Skytable	Key-value	0.00	±0.00	±0.00
64.	64.	61.	TerarkDB	Key-value	0.00	±0.00	-0.04
64.	64.		TidesDB	Key-value	0.00	±0.00
64.	64.	57.	Tigris	Multi-model Document store Key-value store Search engine Time Series DBMS	0.00	±0.00	-0.06
64.	64.	67.	Tkrzw	Key-value	0.00	±0.00	±0.00
64.	64.	67.	TomP2P	Key-value	0.00	±0.00	±0.00
64.	64.	67.	Upscaledb	Key-value	0.00	±0.00	±0.00

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