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The Qiita Advent Calendar 2025 is supported by the following companies, organizations, and services.

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Programming language
Database & DWH
Web technology
Native application
DevOps & Infrastructure & SRE
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Development tool
Science & Theory
Service & Application
Security
AI & ML & Data Science
Game
Organization
Solo Advent Calendar
Other

Calendar ranking

Calendar ranking

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IoT & Hardware

IoT・ハードウェア

Embedded systems, electronic work, etc

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The Qiita Advent Calendar 2025 is supported by the following companies, organizations, and services.

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