Best Time-series database software in 2026
4 tools compared across pricing, features, and deployment.
KairosDB
github.com
Open-source time-series database tool.
Time-series databaseFree
OpenTSDB
opentsdb.net
Open-source time-series database tool.
Time-series databaseFree
Prometheus
prometheus.io
Open-source time-series database tool.
Time-series databaseFree
QuestDB
questdb.io
Open-source time-series database tool.
Time-series databaseFree