Related Products
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About
Callum is an AI calendar assistant that brings smart, natural-language control to your work schedule so you can manage your calendar faster and with less friction by speaking or typing what you want done instead of navigating calendar UIs. It works with Google Calendar (with Outlook support coming) and lets you schedule, reschedule, update, delete, and search events simply by telling Callum what you need, helping you find time with individuals or groups by checking everyone’s availability and suggesting optimal slots without endless emails. Beyond basic scheduling, Callum understands context, pulls in details when connected to tools like HubSpot, Greenhouse, and other CRM/ATS systems, and helps you prepare for meetings with relevant historical and deal information so you’re ready before every call. You can also ask conversational questions about your calendar, such as how much free time you have this week or when you last met a contact.
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About
rivva is an AI workspace that unifies your calendar, tasks, and email, then schedules your day based on your energy levels and capacity.
Energy Timeline: Tracks sleep and activity data (from wearable or manual input) to forecast cognitive peaks and valleys.
Smart Schedule: AI automatically places tasks at optimal times based on energy levels, deadlines, priorities, and availability. Scheduling demanding work during sharp hours and lighter tasks during energy dips
Automatic Task Capture: Scans Gmail for action items (meeting summaries, Notion comments, GitHub updates) and surfaces them for review and scheduling.
AI Assistant (Nia): Chat to plan your week, add tasks, reschedule instantly, break down work, and get coached through your day.
Other Features:
- Unified calendar view
- Task manager
- Google Calendar integration
- Timeblocking
- Multi-calendar support
- iOS + Web sync
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Professionals and teams wanting a solution to manage meetings, scheduling, and calendar tasks quickly using natural language
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Audience
Founders, operators, neurodivergent professionals, high-agency ICs, remote workers, knowledge workers. Anyone who needs to get more work done, but can't afford to burn out
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
Free
Free Version
Free Trial
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Pricing
$13.99 per month
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationCallum
United States
getcallum.com
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Company Informationrivva
Founded: 2025
United Kingdom
www.rivva.app/
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Google Calendar
Greenhouse
HubSpot CRM
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