What is the main difference between QuestDB and TDengine?

QuestDB and TDengine are both time series databases but differ in their approach, features, and target audience. Compare their GitHub stats, technology stack, and community adoption to make the best choice.

Which is better: QuestDB or TDengine?

The choice between QuestDB and TDengine depends on your specific needs, technical requirements, and team preferences. Both are quality open source solutions with active communities.

Can I migrate from QuestDB to TDengine?

Migration between QuestDB and TDengine is possible but requires careful planning. Consider data export/import capabilities, feature parity, and potential workflow changes.

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QuestDB vs TDengine

Learn how QuestDB and TDengine differ in their key features, development activity, technology stack and community adoption, so you can decide which of these time series databases is best for you.

QuestDB

Open-source time-series database offering massive ingestion throughput, millisecond queries, and SQL extensions, designed for optimal performance at any hardware scale.

Visit QuestDB Read more

17,268stars+80(+0.5%)

Last 30 days

Last commit
11 hours ago
Repository age
12 years
Version
10.0.0
License
Apache-2.0
Repository
questdb/questdb

TDengine

High-performance time-series database with industrial data management, built-in stream analytics, and AI-driven anomaly detection for operational environments.

Visit TDengine Read more

25,068stars+100(+0.4%)

Last 30 days

Last commit
5 days ago
Repository age
7 years
Version
3.4.1.6
License
AGPL-3.0
Repository
taosdata/tdengine

Detailed Comparison

Both QuestDB and TDengine have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.

Comparable

Community & Popularity

Both tools have similar popularity levels, with QuestDB having 17,268 stars and TDengine having 25,068 stars on GitHub. In terms of developer contributions, TDengine has 5,017 forks, indicating strong developer engagement.

Comparable

Growth Momentum

QuestDB and TDengine are moving at much the same rate, adding 80 stars and adding 100 stars respectively over the last 30 days (+0.5% vs +0.4%). Neither is pulling away from the other on momentum alone.

Comparable

Development Activity

Both projects show recent activity, with QuestDB last updated 11 hours ago and TDengine 5 days ago.

Comparable

Technology Stack

Both tools share common technology foundations, being built with JavaScript, Bash, Python, Golang, C, Rust, Objective-C, PHP, Java, C++, C#. However, they differ in their additional technology choices: TDengine leverages CSS, MATLAB, Lua, R, Ada.

QuestDB wins

Project Maturity

QuestDB has been in development longer, starting 12 years ago, compared to TDengine which began 7 years ago. This 5.3-year head start suggests QuestDB may have more mature features and established processes.

Comparable

Licensing

The projects use different licenses: QuestDB is licensed under Apache-2.0 while TDengine uses AGPL-3.0. Consider the licensing requirements when choosing for your project.

Comparable

Use Cases & Features

Both tools serve similar use cases in Time Series Databases.

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