ネタの宝庫！毎日Webアプリを作ってみるカレンダー Advent Calendar 2025

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Category：Solo Advent Calendar

Creator：

@da1ssk

Tags：

「あ、これ作りたいかも」と思いついたアイデアを、片っ端から形にしていくアドベントカレンダーです。実用的なツールから、誰が得するのか分からない謎のゲームまで、ジャンル不問で毎日Webアプリを量産します。

📦 作成予定のアプリジャンル

便利ツール: タイマー、計算機、コンバーターなど
API連携: 天気予報、画像取得など
ミニゲーム: ブラウザで遊べる暇つぶしゲーム
ネタアプリ: クスッと笑えるジョークアプリ

👀 見どころクオリティよりも「勢い」と「アイデア」を重視します。「こんな簡単なコードで動くんだ！」という発見を共有できればと思います。

一緒に個人開発を楽しみましょう！

How to join the calendar

You can join the calendar by selecting an available date and registering the URL of the article you wish to link to. If a slot is available, you can go back to a past date to join!

Series 1

@da1ssk
AIと爆速開発！TypeScriptでMarkdownプレビューアを作ってみた
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@da1ssk
AIと爆速開発！TypeScriptでゴルフスイングシミュレーターを作ってみた
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@da1ssk
AIと爆速開発！TypeScriptで8ビットシーケンサーを作ってみた
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use

@da1ssk
AIと爆速開発！TypeScriptでMarkdownプレビューアを作ってみた
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@da1ssk
AIと爆速開発！TypeScriptでゴルフスイングシミュレーターを作ってみた
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@da1ssk
AIと爆速開発！TypeScriptで8ビットシーケンサーを作ってみた
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use

You can increase the number of series when Calendar 1 is filled with more than 10 articles.

Sunday	Monday	Tuesday	Wednesday	Friday	Saturday
30	@da1ssk AIと爆速開発！TypeScriptでMarkdownプレビューアを作ってみた Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@da1ssk AIと爆速開発！TypeScriptでゴルフスイングシミュレーターを作ってみた Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@da1ssk AIと爆速開発！TypeScriptで8ビットシーケンサーを作ってみた Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use


				26	27

Sunday	Monday	Tuesday	Wednesday	Friday	Saturday
30	@da1ssk AIと爆速開発！TypeScriptでMarkdownプレビューアを作ってみた Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@da1ssk AIと爆速開発！TypeScriptでゴルフスイングシミュレーターを作ってみた Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@da1ssk AIと爆速開発！TypeScriptで8ビットシーケンサーを作ってみた Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use


				26	27

ネタの宝庫！毎日Webアプリを作ってみるカレンダー Advent Calendar 2025

edit_calendarHow to join the calendar

Series 1

How to join the calendar