Calendar 365 vs. Callum Comparison Chart

Trumba is an event calendar and registration platform for your website or intranet. Manage all your event data in one place and publish custom calendars for your end users. Trumba currently powers the event calendars for large organizations and small businesses worldwide. Features include: • Customizable and unlimited calendars to cater to multiple audiences or business units. • Integration with 3rd party calendars to manage and publish all events in one place. • Flexible event management with custom templates and role-based editor access. • Event registration with custom forms and payment gateway support. • Attendee management including automated wait listing. • HIPAA-compliant solution for hospitals and healthcare organizations. • SSO support for user and visitor management. • Automated reminders and follow-ups, calendar syncing and personalized event lists. • Integration services and ongoing support included. • And so much more.... Get a demo or free trial today.

Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your business data confidential and under your control. With Proton Mail and Calendar, your team can securely manage their inbox and schedule, while your organization maintains a professional presence with support for custom email domains and personalized branding. And with the Easy Switch tool, migrating from Google or Microsoft is seamless, no IT expertise required.

anny is an all-in-one platform for managing hybrid workplaces and shared resources. Enable your employees to easily book desks, meeting rooms, parking spots, equipment, and more – all in one place. With flexible rules and group permissions, you stay in full control of who can access what. Key Features: 🗺️ 3D Interactive Office Map: Visual, intuitive floor plans to make booking engaging. 🗓️ Weekly Planner: See when teammates are onsite and plan your office days smarter. 🧍 Visitor Management: Streamlined guest check-in with e-signatures and instant host notifications. 🌐 Integrations: Microsoft 365, Google Workspace, and more for a connect 📞 Dedicated Support: Responsive, personal support that helps you succeed. 🔒 Enterprise-Grade Security: Fully compliant with international data privacy standards. Already trusted by 1,000+ organizations worldwide - including DeepL, Nio, and Samsung - anny helps teams collaborate smarter and optimize office space.

Welcome to Upper Hand on SourceForge, the nexus for premier sports facility management and sports scheduling software. Our innovative solutions empower sports facility managers with tools to streamline operations and optimize resources. Our standout sports facility management software is designed to revolutionize the management of any sports complex or organization, incorporating cutting-edge features to maximize efficiency and productivity. Our sports scheduling software, an embodiment of our commitment to superior registration, provides a user-friendly, flexible platform for coordinating staff schedules across diverse facilities and events. Handling complex schedules and sudden changes is a breeze with this dynamic tool. Our software solutions include advanced data analytics capabilities, paving the way for data-driven decision making and competitive strategies in the sports industry. Review our top-tier solutions with Upper Hand and gain the advantage today.

WaitWell is a comprehensive queue management and appointment scheduling platform built to elevate customer service, streamline operations, and boost overall efficiency. The system enables organizations to manage virtual queues, walk-ins, and pre-booked appointments through web links, QR codes, SMS, or optional self-service kiosks. Customers receive real-time notifications, AI-powered wait time estimates, and reminders, reducing uncertainty and frustration while improving satisfaction. Staff gain access to intuitive dashboards, advanced analytics, and reporting tools that help optimize workflows, staffing, and service delivery. WaitWell also supports secure payments and integrates seamlessly with key systems such as electronic health records (EHRs), customer relationship management (CRM) platforms, and student information systems (SIS), ensuring smooth data flow and stronger operational efficiency.

Paired Plus is the only true "all-inclusive" spa and salon software available in the industry. From re-imagined core features such as the appointment book, client profiles, point of sale, inventory and reporting to premium features such as our very own two-in-one mobile app, to the 'Fortune Teller,' online store, unlimited email marketing and of course our very own A.I. enhanced personal assistant, DARCI. Send out appointment reminders, surveys, e-forms and never miss a birthday or important holiday. Paired Plus also includes built in theft prevention, notifying the owner every time suspicious activity may have occurred. Our spa and salon software has over 300 built in reports guaranteed to meet your every need. What's more is every report can be emailed or downloaded in Excel format. This is the one software that you'll never outgrow. From single users to a 300-employee salon or spa, you receive every feature without paying a cent extra. Training & support are also free!

Make online appointment scheduling and management a breeze with Acuity Scheduling. Acuity Scheduling is an easy to use online appointment scheduling software that helps professionals and businesses fill their schedule--minus all the hassle. With Acuity, clients see your real-time availability, book appointments fast, and pay in advance. All without you needing to organize and reorganize things.

Streamline your customer flow with our SMS-powered waitlist, reservations, and queue management app for restaurants, health care providers, and many other businesses. * Customers can add themselves to your list via an embeddable widget, web page, or SMS message. Or you can turn this off. * Online reservations/appointments, customizable for restaurants, personal services, retail, entertainment, DMVs, and more. * Easily text guests when you're ready for them. Choose from a variety of customizable automated messages, or open up a 1:1 SMS chat. * Use other software for appointments? No problem. Upload reservations or use our API, then you can still manage your customer flow and messaging within our app. * Integrates with Square POS and Weebly to easily send texts when an order is ready. *No app for you or your customers to download.

Qminder is the leading Offline CRM for in-person service, an all-in-one hub for walk-ins, appointments, and queue management. Designed for organizations that rely on face-to-face interactions, Qminder bridges the gap between digital convenience and real-world service. It provides full visibility into the customer journey, while Service Intelligence tools turn data into actionable insights—helping businesses reduce wait times, optimize workflows, and improve efficiency. Trusted by government agencies, healthcare providers, financial institutions, universities, and major retailers, Qminder simplifies queue management, appointment scheduling, and real-time communication—ensuring seamless service and happier customers. Get started in under a week and see results from day one. With three flexible pricing plans and zero setup costs, onboarding is quick and hassle-free. Qminder has powered 1+ billion service interactions for AT&T, Verizon, Uber, Apple, and more. Now, it’s your turn.

Odoo is a fully integrated, customizable, open-source software packed with hundreds of expertly designed business applications. Odoo’s intuitive database is able to meet a majority of business needs, such as: CRM, Sales, Project, Manufacturing, Inventory, and Accounting, just to name a few. Odoo is an all-in-one software solution designed to meet the needs of companies, regardless of their size (or budget). The unbeatable, seamless nature of Odoo helps businesses become more efficient by reducing redundant manual processes, which helps companies save countless hours of labor. Every module is interconnected to provide a fully-integrated experience from app to app, and users can automate many processes that would’ve otherwise required manual inputs into multiple applications. Odoo keeps all business functions in one place, allowing teams to collaborate with other departments from one unified platform in the most efficient way possible.