Best openGemini Alternatives in 2026

Updated October 2026

20 apps from time-series databases ranked against openGemini on the same published basis.

openGemini alternatives compared

#	App	Score	Free plan	From	Runs on
1	InfluxDB	7.4	Free plan	—	API, Linux, Mac, self-hosted, Web, Windows
2	LinDB	7.3	Free plan	Free	API, Linux, Mac, self-hosted, Web, Windows
3	TDengine	7.3	Free plan	$281.25/mo	API, Linux, Mac, self-hosted, Web, Windows
4	QuestDB	7.2	Free plan	Free	API, Linux, Mac, self-hosted, Web, Windows
5	VictoriaMetrics	7.2	Free plan	$200/mo	API, Linux, Mac, self-hosted, Web, Windows
6	Prometheus	7.1	Free plan	Free	Linux, Mac, self-hosted, Web, Windows
7	Apache IoTDB	7.0	Free plan	Free	API, Linux, self-hosted, Web, Windows
8	DolphinDB	7.0	Free plan	Free	API, Browser, Linux, self-hosted, Web, Windows
9	Grafana k6	6.8	Free plan	$19/mo	Linux
10	GreptimeDB	6.7	No	$290/mo	Android, API, Linux, Mac, self-hosted, Web, Windows
11	Axibase Time Series Database	6.3	No	—	API, Linux, self-hosted, Web
12	TimescaleDB	6.3	No	$30/mo	self-hosted
13	BTrDB	6.1	No	—	API, Linux, self-hosted
14	KairosDB	6.1	No	—	API, Linux, self-hosted
15	Warp 10	6.1	No	—	Web, Windows, Mac, Linux
16	Cortex	6.0	No	—	Linux, Mac, Windows
17	kdb+	6.0	No	—	Windows, Mac, Linux
18	TimechoDB	6.0	No	—	Windows, Mac, Linux
20	OpenTSDB	5.9	No	—	Linux, Windows
21	SiriDB	5.9	No	—	Linux, Mac

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What is the best alternative to openGemini?

InfluxDB, number 1 in time-series databases with a score of 7.4 out of 10. The others here: LinDB, TDengine, QuestDB and 16 more.

What is the best free alternative to openGemini?

InfluxDB is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.