Open Multi-Model Database

KWDB Developer Zone

KWDB is an open source distributed multi-model database for AIoT scenarios, supporting the simultaneous creation of time-series libraries and relational libraries in the same instance, and supporting fused processing of multi-model data.

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KWDB Terminal

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Welcome to KWDB Multi-Model Database Developer Terminal!

Core Capability

One instance, with time-series and relational data working together in one SQL query

01Data sources

02KWDB

SQLCross-model query

01SELECT02  po.order_id,03  po.product_code,04  AVG(ms.temperature) AS avg_temperature05FROM production_orders AS po06JOIN machine_sensors AS ms07  ON po.machine_id = ms.machine_id08GROUP BY po.order_id, po.product_code;

03Joined result

1 ROW · 3 COLS

order_id	ORD-2023-104
product_code	PROD-B200
avg_temperature	66.85

04Workflows

Try it now

From examples to a running instance

SampleDB · Playground

Open Playground

MCP · AGENT

Agent-native workflows

MCP Server · Agent Skills

Explore Agent Skills

Contribution Paths

How to Earn Points

Multiple ways to contribute, every effort will be rewarded. Whether you excel at code or documentation, you'll find a contribution path that suits you.

Technical Contribution

Points

+50

Submit Pull Request

Earn 50 points after merge, with 1-100 extra points depending on maintainer feedback

Technical Contribution

Points

+10

Submit Issue

Feature requests, bug reports, and other meaningful issues earn 10 points, with 1-20 extra points depending on maintainer feedback

Activity Contribution

Points

+50

Community Activity Ideas

Earn points when your idea is adopted

Technical Contribution

Points

+50

Submit Pull Request

Earn 50 points after merge, with 1-100 extra points depending on maintainer feedback

Technical Contribution

Points

+10

Submit Issue

Feature requests, bug reports, and other meaningful issues earn 10 points, with 1-20 extra points depending on maintainer feedback

Activity Contribution

Points

+50

Community Activity Ideas

Earn points when your idea is adopted

Activity Contribution

Points

+200

Live Stream, Course, Video, or Podcast

Participate as an organizer, host, guest, or lecturer in live streams, videos, or blog content. Content may be published on your own channels or through official KWDB activities

Technical Contribution

Points

+500

Develop or Maintain KWDB Ecosystem Projects

Upload project code to your GitHub or Gitee account and associate the repository with the KWDB developer program. Official promotion opportunities are available, up to 1,000 points

Technical Contribution

Points

Meaningful PR or Issue Comments

Certified meaningful comments earn points, with a 10-point cap per PR or issue

Other Contribution

Points

Provide POC Opportunities or Business Leads

Points are discussed separately based on the information provided

Other Contribution

Points

+200

Serve as a Workshop Mentor

Mentor participants in KWDB workshops at campus open-source events and similar programs

Other Contribution

Points

Repost KWDB Content on Social Media

Repost KWDB content on WeChat Moments, Xiaohongshu, X, Facebook, and similar platforms. Same content earns 1 point, capped at 50 points per month

Other Contribution

Points

+500

Organize or Lead a User Group

Organize or lead a city, industry, or domain User Group with at least one online or offline event each year. Activity organization points can be added on top of User Group setup points

Other Contribution

Points

Publish Original KWDB Content on Social Media

Publish original KWDB content on WeChat Moments, Xiaohongshu, X, Facebook, and similar platforms. Same content earns 5 points, capped at 50 points per month

Other Contribution

Points

Answer Questions in Community WeChat Groups

Weekly point earnings are capped at 5 points

Other Contribution

Points

+30

Publish KWDB Content on Video Channels

Publish KWDB-related content on video channels, capped at 5 times per month

Activity Contribution

Points

+300

Offline Technical Talk (50+ Attendees)

If the event is not hosted by the KWDB community, provide the relevant information in advance so the KWDB community can support promotion

Activity Contribution

Points

+100

Offline Technical Talk (Under 50 Attendees)

If the event is not hosted by the KWDB community, provide the relevant information in advance so the KWDB community can support promotion

Activity Contribution

Points

+300

Organize an Activity

Lead and organize a KWDB community-related activity. The KWDB community will provide promotion support

Technical Contribution

Points

+200

KWDB Technical Article or Blog

Each article must exceed 1,000 words. Monthly points are capped at 600. AI-generated content and plagiarism are strictly prohibited

Other Contribution

Points

+50

Repost KaiwuDB Articles on Official Accounts

Repost official articles through public accounts, capped at 5 articles per month

Technical Contribution

Points

+50

Submit Pull Request

Earn 50 points after merge, with 1-100 extra points depending on maintainer feedback

Technical Contribution

Points

+10

Submit Issue

Feature requests, bug reports, and other meaningful issues earn 10 points, with 1-20 extra points depending on maintainer feedback

Activity Contribution

Points

+50

Community Activity Ideas

Earn points when your idea is adopted

Activity Contribution

Points

+200

Live Stream, Course, Video, or Podcast

Participate as an organizer, host, guest, or lecturer in live streams, videos, or blog content. Content may be published on your own channels or through official KWDB activities

Technical Contribution

Points

+500

Develop or Maintain KWDB Ecosystem Projects

Upload project code to your GitHub or Gitee account and associate the repository with the KWDB developer program. Official promotion opportunities are available, up to 1,000 points

Technical Contribution

Points

Meaningful PR or Issue Comments

Certified meaningful comments earn points, with a 10-point cap per PR or issue

Other Contribution

Points

Provide POC Opportunities or Business Leads

Points are discussed separately based on the information provided

Other Contribution

Points

+200

Serve as a Workshop Mentor

Mentor participants in KWDB workshops at campus open-source events and similar programs

Other Contribution

Points

Repost KWDB Content on Social Media

Repost KWDB content on WeChat Moments, Xiaohongshu, X, Facebook, and similar platforms. Same content earns 1 point, capped at 50 points per month

Other Contribution

Points

+500

Organize or Lead a User Group

Organize or lead a city, industry, or domain User Group with at least one online or offline event each year. Activity organization points can be added on top of User Group setup points

Other Contribution

Points

Publish Original KWDB Content on Social Media

Publish original KWDB content on WeChat Moments, Xiaohongshu, X, Facebook, and similar platforms. Same content earns 5 points, capped at 50 points per month

Other Contribution

Points

Answer Questions in Community WeChat Groups

Weekly point earnings are capped at 5 points

Other Contribution

Points

+30

Publish KWDB Content on Video Channels

Publish KWDB-related content on video channels, capped at 5 times per month

Activity Contribution

Points

+300

Offline Technical Talk (50+ Attendees)

If the event is not hosted by the KWDB community, provide the relevant information in advance so the KWDB community can support promotion

Activity Contribution

Points

+100

Offline Technical Talk (Under 50 Attendees)

If the event is not hosted by the KWDB community, provide the relevant information in advance so the KWDB community can support promotion

Activity Contribution

Points

+300

Organize an Activity

Lead and organize a KWDB community-related activity. The KWDB community will provide promotion support

Technical Contribution

Points

+200

KWDB Technical Article or Blog

Each article must exceed 1,000 words. Monthly points are capped at 600. AI-generated content and plagiarism are strictly prohibited

Other Contribution

Points

+50

Repost KaiwuDB Articles on Official Accounts

Repost official articles through public accounts, capped at 5 articles per month

Technical Contribution

Points

+500

Develop or Maintain KWDB Ecosystem Projects

Upload project code to your GitHub or Gitee account and associate the repository with the KWDB developer program. Official promotion opportunities are available, up to 1,000 points

Other Contribution

Points

+500

Organize or Lead a User Group

Organize or lead a city, industry, or domain User Group with at least one online or offline event each year. Activity organization points can be added on top of User Group setup points

Activity Contribution

Points

+300