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Top Rated Appointment Reminder Software with Open source - Page 4

Last updated: November 2026

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189 software options

CipherHealth logo

Cloud-based multilingual patient engagement software

CipherHealth is a cloud-based software that helps healthcare institutions collect feedback, conduct patient rounds, schedule follow-ups, and manage other processes on a centralized platform. Staff members can customize text or email alerts to create appointment reminders and remote care plans.

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Salesmsg logo

Cloud-based business texting & calling for sales teams

Cloud-based SMS, MMS, and voice platform for sales, marketing, and support teams, featuring AI agents and CRM integration.

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Switchit logo

Digital Business Card platform for businesses & individuals

Switchit is a Digital Business Card solution designed to help businesses create and share contact details with customers via text, email, QR codes, and social media platforms. Users can upload 90-second videos to their business cards with product demos, promos, real estate tours, and more.

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CareDesk logo

AI patient access platform with Kara AI voice agent

CareDesk by Keona Health automates appointment reminders via phone, text, and email, reducing no-shows and improving patient attendance with customizable notification workflows integrated directly with your EHR system.

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MessageDesk logo

Add SMS Superpowers to Your Business Phone.

Start texting with your existing business phone number.

MessageDesk makes it easy to:

1. Organize all SMS conversations with a business-grade inbox.
2. Start new conversations and collect opt-in with ease.
3. Reach hundreds or thousands with SMS in a single click.

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Reservio logo

Online booking & appointment scheduling software

Reservio is an online booking & appointment scheduling platform for client-serving businesses of all sizes - with features for performance tracking & promotion

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SimplyMeet.me logo

SimplyMeet.me - the simple way to schedule your meetings

SimplyMeet.me is a free scheduling tool which provides a reliable, very simple to use and fast solution to schedule meetings. As SimplyMeet.me wants to grow with you, we offer the solution free forever for individuals.

Organise your online and onsite meetings with SimplyMeet.me!

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Inphonite logo

Customer engagement software

Inphonite’s mobile app brings the power of automated messaging, appointment reminders, and direct business-to-business texting straight to Android and iOS devices. It enables teams to easily view reports, send instant messages, and more.

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JookSMS logo

Bulk text and SMS marketing management solution

JookSMS is a cloud-based SMS marketing solution designed to help businesses manage marketing strategies, promotions and more using text messages. The platform enables organizations to track sent and received messages, as well as team activities, in real-time.

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Reminders Made Easy logo

HIPAA-compliant appointment reminder platform

Reminders Made Easy helps users notify customers about meeting timings, events, or tasks according to requirements.

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Remedly logo

AI-Powered EHR, Practice Management, Medical Billing & RCM.

Keep your schedule running on autopilot. Remedly delivers smart, timely appointment reminders that keep patients engaged, reduce no-shows, and minimize manual follow-ups—so your team can focus on delivering exceptional patient care.

Read more about Remedly

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VoiceShot logo

Auto attendant cloud phone system

VoiceShot is an auto attendant cloud phone software that helps businesses manage call forwarding, transfer, screening, and reporting on a centralized platform. It enables users to create pre-recorded greetings and automatically deliver all voicemails to linked email addresses in WAV file format.

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GipoNext logo

The all-in-one software solution for clinics

GipoNext is a 100% cloud-native clinic management software to digitize the whole patient journey.

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AppointmentReminders.com logo

Automated appointment reminders for businesses

AppointmentReminders.com offers cloud-based software to reduce appointment no-shows via text, voice, and email reminders. It provides HIPAA-compliant messaging for healthcare, customizable content with dynamic fields, and integrates with Google Calendar, EMR, and scheduling systems. Features include bilingual communication (English/Spanish), QR code signup, file uploads, and delivery tracking through reports and downloads.

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Vello logo

Appointment scheduling software for veterinary businesses

Vello is a veterinary software that helps businesses manage appointment scheduling, customer communication, health service reminders, and customer records. The platform enables administrators to share pre-appointment instructions, such as drop-off and pickup times and sample needs with customers.

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WellWink logo

Patient Engagement and Care Management System

WellWink is a cloud base patient relationship management system designed to help medical office engage with their patients health and communicate with them more effectively beyond office visit.

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Prenotazioni Cloud logo

Online booking & appointment scheduling software

Prenotazioni Cloud is mainly aimed at restaurants and beauty salons but can be used by any business that intends to offer its customers a booking service.

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Text Reload logo

SMS marketing solution

Text Reload is an AI-based SMS automation platform designed to streamline business communications across various operational aspects. The system enables organizations to create personalized SMS campaigns through its AI campaign builder, which analyzes business context and customer data to generate effective messaging content. The platform offers comprehensive functionality for two-way messaging, allowing businesses to engage in natural conversations with clients directly through the dashboard.

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Pencil In logo

Appointment scheduling tool for small businesses

Pencil In is a scheduling tool designed to help small businesses manage customers, notifications, payments, and booking on a centralized platform. Features include client behavior tracking, remote access, calendar management, data import/export, and purchase history.

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ECAL logo

COMMUNICATE EVENTS BETTER

Keep your customers up-to-date and connected! ECAL’s Fast Sync technology ensures any new events, updates or changes are instantly delivered, straight to your user’s calendar.

Deliver live event reminders, set multiple alerts to inform members of session start times, to reduce ‘no shows’.

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billrMD logo

Billing Made Easy

billrMD is user-friendly cloud-based practice management & medical billing software platform. Open an account for free.

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Hypnotes logo

All-in-one practice management solution

Hypnotes is an all in one place platform for streamlining practice management operations. Hypnotherapists, yoga therapists, massage therapists, psychotherapists, and psychologists can benefit from advanced features.

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Calfrenzy logo

Scheduling for recurring and multi-session bookings

Reduce no-shows with Calfrenzy! Send branded email reminders with key details to keep clients informed. Real-time rescheduling updates and Google or Outlook calendar syncing make managing appointments seamless. Automate follow-ups and elevate your client experience effortlessly.

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omniBookings logo

All-in-one Online Scheduling and Reservation Management

With a fully integrated solution that enables anyone to organise and manage appointments, meetings, property bookings, take payments, and manage schedules, Omnibasis provides everything you need to power whatever you can arrange.

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RelevantMD logo

Marketing & patient engagement software for medical groups

RelevantMD is a web-based medical marketing & patient engagement software, designed to increase patient acquisition and practice revenue. The solution help medical practices manage their patient databases, nurturing campaigns, marketing strategies, outreach automation, competitor analysis, and more.

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