# etcd vs KeyDB

**Leader by Vioscale score:** etcd

| Attribute | etcd | KeyDB |
|---|---|---|
| **Vioscale score** | 63.7 (44% (low)) | 35.2 (46% (low)) |
| activity.commits_last_30d | 96 | 0 |
| adoption.dependent_repos | 39,452 | 0 |
| adoption.github_stars | 52,178 | 12,509 |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | etcd is a strongly consistent, distributed key-value store that provides a reliable way to store data that needs to be accessed by a distributed system or cluster of machines. It gracefully handles leader elections during network partitions and can tolerate machine failure. | KeyDB is an open-source database that offers significantly higher performance than Redis through multithreading while maintaining full Redis protocol compatibility. It includes advanced features like active replication, FLASH storage, and MVCC architecture for non-blocking queries. |
| features.capabilities | `{"clustering":"consensus","deployment":"self_hosted","consistency":"strong","persistence":"append_log","eviction_ttl":true,"storage_tier":"persistent","licence_class":"permissive","wire_protocol":"grpc","pubsub_streams":true,"data_structures":"rich_types","redis_api_compat":"none"}` | `{"clustering":"sharded","deployment":"self_hosted","consistency":"strong","persistence":"durable","eviction_ttl":true,"storage_tier":"in_memory","transactions":"multi_exec","licence_class":"permissive","wire_protocol":"resp","multi_threaded":true,"pubsub_streams":true,"data_structures":"rich_types","redis_api_compat":"full"}` |
| integrations.count | 80 | - |
| integrations.list | `[{"name":"Kubernetes"},{"name":"Vitess"},{"name":"fleet"},{"name":"Docker"},{"name":"Puppet"},{"name":"confd"},{"name":"AWS ECS"},{"name":"SkyDNS"},{"name":"discodns"},{"name":"Hiera"},{"name":"Chef"},{"name":"BOSH"},{"name":"etcdctl"},{"name":"etcd-backup"},{"name":"etcd-dump"},{"name":"etcd-fs"},{"name":"etcd-browser"},{"name":"etcd-console"},{"name":"etcd-viewer"},{"name":"etcdtool"},{"name":"etcd-rest"},{"name":"etcdsh"},{"name":"etcdloadtest"},{"name":"etcd-workbench"},{"name":"Apache Celix"},{"name":"ZeroMQ"},{"name":"CoreOS"},{"name":"MySQL"},{"name":"GPG"}]` | - |
| language.primary | Go | C++ |
| license.spdx | Apache-2.0 | BSD-3-Clause |
| market.availability | - | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"linux":true}` |
| pricing | `{"type":"open_source","freeTier":false,"sourceUrl":"https://etcd.io","retrievedAt":"2026-08-14T16:38:34.813Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://keydb.dev","retrievedAt":"2026-08-14T16:35:54.733Z"}` |
| pricing.free_tier | no | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 53 |
| release.history | `[{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.7.1","date":"2026-07-23T19:37:53Z","type":"stable","version":"v3.7.1"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.14","date":"2026-07-23T19:29:31Z","type":"stable","version":"v3.6.14"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.33","date":"2026-07-23T19:12:21Z","type":"stable","version":"v3.5.33"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.7.0","date":"2026-07-08T18:26:53Z","type":"stable","version":"v3.7.0"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.13","date":"2026-07-01T20:43:27Z","type":"stable","version":"v3.6.13"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.32","date":"2026-07-01T20:32:19Z","type":"stable","version":"v3.5.32"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.7.0-rc.0","date":"2026-06-01T21:27:32Z","type":"prerelease","version":"v3.7.0-rc.0"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.12","date":"2026-06-01T20:59:07Z","type":"stable","version":"v3.6.12"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.31","date":"2026-06-01T20:46:06Z","type":"stable","version":"v3.5.31"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.4.45","date":"2026-06-01T20:35:12Z","type":"stable","version":"v3.4.45"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.7.0-beta.0","date":"2026-05-19T20:02:08Z","type":"prerelease","version":"v3.7.0-beta.0"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.11","date":"2026-05-01T18:55:08Z","type":"stable","version":"v3.6.11"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.30","date":"2026-05-01T18:46:50Z","type":"stable","version":"v3.5.30"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.4.44","date":"2026-05-01T18:38:42Z","type":"stable","version":"v3.4.44"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.10","date":"2026-04-01T18:34:55Z","type":"stable","version":"v3.6.10"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.29","date":"2026-04-01T18:29:01Z","type":"stable","version":"v3.5.29"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.4.43","date":"2026-04-01T18:23:35Z","type":"stable","version":"v3.4.43"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.9","date":"2026-03-20T18:08:59Z","type":"stable","version":"v3.6.9"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.28","date":"2026-03-20T17:41:08Z","type":"stable","version":"v3.5.28"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.4.42","date":"2026-03-20T17:04:27Z","type":"stable","version":"v3.4.42"}]` | `[{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.3.4","date":"2023-10-30T20:26:08Z","type":"stable","version":"v6.3.4"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.3.3","date":"2023-05-03T05:11:58Z","type":"stable","version":"v6.3.3"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.3.2","date":"2023-01-22T20:55:51Z","type":"stable","version":"v6.3.2"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.3.1","date":"2022-06-09T01:34:47Z","type":"stable","version":"v6.3.1"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.3.0","date":"2022-05-12T12:56:55Z","type":"prerelease","version":"v6.3.0"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.2.2","date":"2022-01-19T20:21:31Z","type":"stable","version":"v6.2.2"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.2.1","date":"2021-11-19T17:13:43Z","type":"stable","version":"v6.2.1"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.2.0","date":"2021-08-11T23:24:38Z","type":"stable","version":"v6.2.0"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.0.18","date":"2021-08-09T17:59:30Z","type":"stable","version":"v6.0.18"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.0.16","date":"2020-09-28T20:02:05Z","type":"stable","version":"v6.0.16"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.0.13","date":"2020-07-13T03:59:37Z","type":"stable","version":"v6.0.13"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/6.0.8-rc1","date":"2020-06-01T21:34:22Z","type":"prerelease","version":"6.0.8-rc1"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.3.3","date":"2020-03-26T05:27:27Z","type":"stable","version":"v5.3.3"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.3.2","date":"2020-03-04T22:47:42Z","type":"stable","version":"v5.3.2"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.3.1","date":"2020-01-21T00:21:39Z","type":"stable","version":"v5.3.1"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.3.0","date":"2020-01-06T17:14:10Z","type":"stable","version":"v5.3.0"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.2.0","date":"2019-12-17T23:51:31Z","type":"stable","version":"v5.2.0"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.1.1","date":"2019-10-25T03:54:05Z","type":"stable","version":"v5.1.1"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.1.0","date":"2019-10-21T16:22:43Z","type":"stable","version":"v5.1.0"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.0.2","date":"2019-09-06T17:33:06Z","type":"stable","version":"v5.0.2"}]` |
| security.scorecard | 6.7 | - |
| security.vulnerabilities | `{"count":8,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=go.etcd.io%2Fetcd&per_page=100","last_12m":3,"max_severity":"HIGH"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=gabe565%2Fkeydb&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Key-Value Stores)

| Capability | etcd | KeyDB |
|---|:--:|:--:|
| **Storage** |  |  |
| Storage tier | Persistent | In-memory |
| Persistence | Append-only log | Fully durable |
| Data structures | Rich types | Rich types |
| **Protocol** |  |  |
| Wire protocol | gRPC | RESP (Redis) |
| **Distribution** |  |  |
| Clustering | Consensus (Raft) | Sharded |
| Consistency | Strong | Strong |
| **Ops** |  |  |
| Eviction / TTL policies | ✓ | ✓ |
| Multi-threaded | - | ✓ |
| Pub/Sub / streams | ✓ | ✓ |
| Transactions / atomic ops | - | MULTI-EXEC |
| **Deployment** |  |  |
| Deployment | Self-hosted | Self-hosted |
| **Licensing** |  |  |
| Licence class | Permissive OSS | Permissive OSS |
| **Compatibility** |  |  |
| Redis API compatibility | None | Full |

*Source: Vioscale. Generated 2026-09-01T16:45:11.609Z. "-" = undocumented, not absent.*