HachiCalendar

HachiCalendar

Free Productivity ✓ Verified

HachiCalendar has been online for 15 years and is a comprehensive productivity tool covering study, work, and daily life. This version provides the sa

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About this Tool

HachiCalendar

HachiCalendar has been online for 15 years and is a comprehensive productivity tool covering study, work, and daily life. This version provides the sa

HachiCalendar has been online for 15 years and is a comprehensive productivity tool covering study, work, and daily life. This version provides the same features as the Pro version (with ads, removable):

1. AI Smart Assistant: 
Supports fast voice and text input as well as schedule analysis, and AI features can be hidden from the toolbar as needed.

2. Multi-view System: 
Includes day, week, month, and year views, each with in-depth customization options.

3. Quick Gestures: 
Suppor

Pros & Cons

✓ Pros

  • English 中文 日本語
  • Free plan or freemium pricing

✗ Cons

  • No native Android app
  • Some advanced features may require higher-tier plans

Key Features

🔧

English 中文 日本語

📋 Scripts & Prompts for HachiCalendar +

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🔌 MCP Servers for HachiCalendar +

Connect these MCP servers to give Claude, Cursor & Cline superpowers with this tool. Sign up free to copy install commands.

Low 📱 macos, linux, windows
MCP for Trello boards, lists, and cards.
🔌
Intermediate 📱 Claude Desktop, Cursor, Continue.dev
**[Todoist](https://github.com/doist/todoist-ai)** - Search, add, and update [Todoist](https://todoist.com) tasks, projects, sections, comments, and more.
Low 📱 macos, linux, windows
MCP for monday.com boards and items.
Low 📱 macos, linux, windows
MCP for Airtable bases and records.
🔌 Browse All MCP Servers →

🤖 AI Agents for HachiCalendar +

Pre-built automation agents that work with this tool — import in one click. Sign up free to access.

🤖 CREWAI
👆 Manual
⚡ "Value" - https://value.valmi.io . Valmi Value is Outcome-based billing and payments infrastructure for AI agents. Meter usage, configure flexible pricing, and track costs & profitability - so you can focus on building great AI products.
https://github.com/valmi-io/value
⚡ ZAPIER
👆 Manual
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https://zapier.com/apps/categories/productivity
🤖 DECAGON
⚡ Event
Decagon builds enterprise customer-service agents trained on company knowledge and integrated with help-desk platforms.
https://decagon.ai/
🤖 SIERRA
⚡ Event
Sierra is a conversational AI platform purpose-built for customer-experience use cases with deep brand customization.
https://sierra.ai/
🤖 Browse All AI Agents →

Frequently Asked Questions

HachiCalendar is available as free. Visit the tool's website for the latest pricing details and plan options.

HachiCalendar offers a free plan. Check the website for feature limitations and upgrade options.

HachiCalendar is available on iOS. Check the official website for the latest platform support.

Many tools offer free trials to let you test before subscribing. Check the HachiCalendar website for current trial availability and duration.

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