TDengine

What it is^{[1, 2]}

Time-series database built for Industrial IoT (TDengine TSDB), sold together with the TDengine IDMP data management platform as TDengine All-in-One, positioned as an alternative to traditional data historians.

Open source^{[2, 3]}

Core components, including clustering, are open source as TDengine OSS under AGPL-3.0; the paid Enterprise and Cloud offerings are built on the same code base.

Pricing^[1]

Published, by tag count: free up to 5,000 tags; e.g. 10,000 tags US$15,500/year or US$38,750 perpetual; 100,000 tags US$46,000/year or US$115,000 perpetual; high availability +30%; over 500,000 tags on quote (Nov 2026).

Managed cloud^[1]

TDengine Cloud on AWS, Azure or Google Cloud, from US$970/month (Starter, 5,000 tags).

Data in^[1]

Zero-code connectors for MQTT, Kafka, OPC, PI System and more; edge-to-cloud replication; Kafka-like data subscription.

Query & analytics^{[5, 2]}

SQL extended for time series (interpolation, downsampling, time-weighted averages), stream processing, caching and the TDgpt AI agent for forecasting and anomaly detection.

Platforms^{[4, 2]}

Installation packages for Linux and Windows, Docker and Kubernetes; Grafana integration documented. Latest release 3.4.3.3 (Oct 19, 2026).

Integration data is editorial and may be incomplete; verify with the vendor before purchasing. Spot an error? Use the contact on the About page.