Multi-calendar synchronizationAI-powered scheduling optimizationPublic booking links with conflict detectionMeeting routing rules and conditional logicAutomatic meeting remindersTeam scheduling and delegationCustom branding and white-label options
Features
AI email writing and reply generation using context from received emailsWorks in any text field across any website via browser extensionSupport for 20+ languagesGrammar and tone correctionContext-aware response generationOne-click reply drafting in GmailCustom instructions for personalized writing style
Pricing Tiers
Pricing Tiers—
Pricing Tiers
Free$0/mo/monthly
Limited AI generations per week
Premium/monthly
Unlimited generations, priority access
Integrations
Integrations
Google CalendarMicrosoft OutlookZapierSlackStripe
Integrations
GmailGoogle DocsLinkedInTwitter/XFacebookAny web-based text field (via Chrome extension)
Platforms
Platforms
webiosandroidapi
Platforms
chrome-extension
Pros
Pros
Open-source platform allows full customization and self-hosting for complete control
Seamless calendar integration prevents double bookings across multiple calendars
Flexible availability settings enable custom working hours and meeting buffers
Developer-friendly API supports custom integrations and advanced workflow automation
Cost-effective alternative to expensive proprietary scheduling software solutions
Pros
Works across any website text field, not limited to a single platform
Deep Gmail integration reads email context to generate accurate replies
Supports 20+ languages for multilingual users
No need to leave the current tab — drafts appear inline
Free tier available for light use without a credit card
Cons
Cons
Requires technical knowledge for self-hosting and maintenance compared to SaaS
Smaller user community means fewer third-party integrations than established competitors
Learning curve for advanced features and customization options steeper than rivals
Limited built-in reporting and analytics compared to enterprise scheduling platforms
Mobile app functionality may lag behind desktop experience and features
Cons
Limited to Chrome (and Chromium-based) browsers — no Firefox or Safari support
No standalone web app or mobile app; entirely extension-dependent
Free tier has generation limits that can be restrictive for daily heavy use
Less suitable for long-form content like blog posts or reports
Output quality depends heavily on the prompt/context provided by the user