# Time-Series Databases

Ranked by the Vioscale composite score: a confidence-weighted blend of independent signals, not user reviews.

| # | Software | Score | Confidence | Vendor |
|--:|---|--:|---|---|
| 1 | [Prometheus](https://www.vioscale.ai/software/prometheus) | 83.6 | 32% (low) | - |
| 2 | [TDengine](https://www.vioscale.ai/software/tdengine) | 62.6 | 41% (low) | - |
| 3 | [GreptimeDB](https://www.vioscale.ai/software/greptimedb) | 61.6 | 30% (low) | - |
| 4 | [Prometheus](https://www.vioscale.ai/software/prometheus) | 60.3 | 36% (low) | - |
| 5 | [TimescaleDB](https://www.vioscale.ai/software/timescaledb) | 59.9 | 46% (low) | - |
| 6 | [ClickHouse](https://www.vioscale.ai/software/clickhouse) | 58 | 24% (low) | - |
| 7 | [InfluxDB](https://www.vioscale.ai/software/influxdb) | 53.1 | 48% (low) | - |
| 8 | [ClickHouse](https://www.vioscale.ai/software/clickhouse) | 51.6 | 39% (low) | - |
| 9 | [QuestDB](https://www.vioscale.ai/software/questdb) | 51.2 | 42% (low) | - |
| 10 | [VictoriaMetrics](https://www.vioscale.ai/software/victoriametrics) | 46.6 | 28% (low) | - |
| 11 | [M3DB](https://www.vioscale.ai/software/m3db) | 34.8 | 31% (low) | - |
| 12 | [Amazon Timestream](https://www.vioscale.ai/software/amazon-timestream) | 28.3 | 23% (low) | - |
| 13 | [OpenTSDB](https://www.vioscale.ai/software/opentsdb) | 17.5 | 29% (low) | - |
| 14 | [KairosDB](https://www.vioscale.ai/software/kairosdb) | 15.4 | 30% (low) | - |

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*Source: Vioscale (https://www.vioscale.ai/categories/timeseries-db).*