The new way to build calendars

Most popular alternative: Agenda Hero (360 saves)
I built Cal.build after getting frustrated with planning documents shared as PDFs usually from people outside my daily workflow.
I wanted a minimal way to go from idea -> schedule -> live calendar.
You type what you want to plan, it returns a calendar with a .ics URL you can subscribe to (Google Calendar and others).
Example:โPlan a 5-day team summit in Costa Rica starting May 1st, including team building activities and project planning sessions.โ
Returns a full schedule with editable events, a public URL, and live updates.
Features: 1. Text-to-calendar conversion 2. Subscribable .ics link 3. Shareable and auto-updating
Stack: Next.js, Supabase, AI SDK, deployed on Vercel.
Would appreciate feedback.
https://www.cal.build/
I wanted a minimal way to go from idea -> schedule -> live calendar.
You type what you want to plan, it returns a calendar with a .ics URL you can subscribe to (Google Calendar and others).
Example:โPlan a 5-day team summit in Costa Rica starting May 1st, including team building activities and project planning sessions.โ
Returns a full schedule with editable events, a public URL, and live updates.
Features: 1. Text-to-calendar conversion 2. Subscribable .ics link 3. Shareable and auto-updating
Stack: Next.js, Supabase, AI SDK, deployed on Vercel.
Would appreciate feedback.
https://www.cal.build/
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Releases
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April 11, 2025
Gonzalo Orsi
Initial release of Cal.build.
Pricing
Pricing model
Freemium
Paid options from
$9.99/month
Billing frequency
Monthly
Prompts & Results
Add your own prompts and outputs to help others understand how to use this AI.
Cal.build was manually vetted by our editorial team and was first featured on April 11th 2025.
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35,31425Released 22d agoFree + from $19.99/mo
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837,270636v1.6 released 15d agoFree + from $12/moReducing manual efforts in first-pass during code-review process helps speed up the "final check" before merging PRs
Pros and Cons
Pros
Customized calendar creation
Broad application range
Streamlined planning process
Automates planning tasks
Integrated workout schedule planning
Integrated diet schedule planning
Integrated study planning
Direct help for travel planning
Project timeline organization
Learning paths organization
Continuous learning mechanism
User schedule adaptation
Prioritizes personalization
Maintains user-friendly interface
Prioritizes data security
Robust privacy policy
Efficient time management
Aids in fitness tracking
Facilitates diet planning
Supports study planning
Simplifies travel planning
Enhances project management
Develops learning paths
Secures user data
View 19 more pros
Cons
Lacks multi-platform support
No API integration
Limited to calendar functions
Lacks third-party app integration
No real-time collaboration feature
Lacks version tracking
No mass data import/export
No offline functionality
Limited customization options
No multilingual support
View 5 more cons
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Q&A
How does cal.build use AI to create custom calendars?
cal.build utilises artificial intelligence to create customised calendars. This cutting-edge solution leverages automation to streamline the process of calendar creation, effectively adapting and learning from the user's schedule over time to offer a personalized experience.
What types of schedules can I create with cal.build?
With cal.build, you can create a variety of schedules including workouts, diet plans, study regimes, travel plans, project timelines, and learning paths.
Can cal.build help me plan my workouts and diet?
Yes, cal.build certainly can aid in planning your workout and diet schedules, utilizing its AI abilities to create personalised and efficient plans based on your individual needs.
How can cal.build assist in scheduling study regimes or learning paths?
cal.build can be effectively used to schedule study regimes or learning paths. Its AI system learns and adapts to your unique schedule, enabling the creation of personalized and optimal study and learning schedules.
Is cal.build suitable for managing project timelines?
cal.build is entirely suitable for managing project timelines. It uses artificial intelligence to streamline the process of project scheduling, helping you maintain an organised, efficient, and updated project roadmap.
Does cal.build adapt to changes in my schedule over time?
Yes, cal.build is built to adapt to changes in your schedule over time. Its AI intuitively learns from your routines and preferences, and modifies your calendars to accommodate these changes to offer a truly personalised planning tool.
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