Thunderbird Appointment makes it easy to find a time to meet. So you can ditch the admin and streamline your day.
United States
Skej AI Alternatives
Skej AI is described as 'Skej is a powerful AI assistant that handles all of your scheduling communications and booking tasks with both coworkers and external contacts. Skej is a conversational AI, working within all of your existing workflows like email, Slack, and MS Teams' and is an app in the office & productivity category. There are more than 10 alternatives to Skej AI for a variety of platforms, including Web-based, SaaS, Google Chrome, Android and iPhone apps. The best Skej AI alternative is Thunderbird Appointment, which is both free and Open Source. Other great apps like Skej AI are Cal.com, Supercal, Calendly and TidyCal.
Alternatives list
- 70 Thunderbird Appointment alternatives
69 Cal.com alternativesOpen-source scheduling tool offering self-hosted or hosted deployment, complete white-label branding, API-driven customization, data ownership, online booking management, flexible embedding, privacy, and integration for business meetings, seminars, and more.
Cost / License
- Free Personal
- Open Source
Application type
Platforms
- Android
- Self-Hosted
- Google Chrome
- Software as a Service (SaaS)
- Cloudron
+2
Coordinate meetings by emailing an AI assistant that syncs with up to 6 calendars, supports group or one-on-one events, creates unlimited custom booking links, gathers meeting details through forms, manages timezones, and sends automated reminders.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
111 Calendly alternativesCalendly can connect with up to six of your calendars to automatically check availability and help you connect with your best contacts, prospects and clients.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Firefox
- Google Chrome
- Microsoft Edge
+2
Web-based scheduling platform offering unlimited meeting booking types, seamless calendar, video conferencing, and payment integrations, cross-timezone support, easy setup, embeddable booking pages, API automations, mobile-friendly interface, and notifications.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
+4
Automated AI assistant interprets email requests to handle scheduling tasks, coordinates and optimizes meetings, updates calendar availability in real time, and minimizes manual effort for professionals needing efficient, dynamic calendar management.
The easiest free online schedule builder. Drag-and-drop interface, instant PNG export. No signup needed. PDF & AI tools available for Pro users.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
Designed for busy professionals who need fast, flexible scheduling. Aivee Booking uses AI and Smart Prompt Scheduling to instantly find the ideal time for your 1-on-1 meetings — all from a single, one-off link.
Cost / License
- Free
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
Cal24h is a Swiss-hosted online appointment scheduling software for independents, practices, and teams.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
Cale is an API-first appointment scheduling system that integrates easily with your application, providing businesses with a reliable way to manage reservations. It supports multi-tenancy, allowing you to handle multiple clients or environments (such as testing and production)...
Cost / License
- Free
- Proprietary
Platforms
- Online
United Kingdom
Singapore
Switzerland