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

17,374stars+82(+0.5%)

Last 30 days

Last commit
23 hours ago
Repository age
12 years
Version
10.0.1
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

25,146stars+52(+0.2%)

Last 30 days

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

Detailed Comparison

QuestDB appears to have several advantages over TDengine, particularly in growth and maturity. 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 17,374 stars and TDengine having 25,146 stars on GitHub. In terms of developer contributions, TDengine has 5,022 forks, indicating strong developer engagement.

QuestDB wins

Growth Momentum

QuestDB is growing faster, adding 82 stars in the last 30 days (+0.5%) against adding 52 stars for TDengine (+0.2%). QuestDB is the smaller project of the two, so it is closing the gap rather than extending a lead.

Comparable

Development Activity

Both projects show recent activity, with QuestDB last updated 23 hours ago and TDengine 1 day ago.

Comparable

Technology Stack

Both tools share common technology foundations, being built with JavaScript, Bash, Python, Golang, Rust, C, 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