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Top Rated Instant Messaging & Chat Software with Calendar Management in 2026 - Page 2

Last updated: April 2026

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70 software options

Taskworld logo

Collaborative project management with built-in chat

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Taskworld is a cloud-based project and task management application which combines visual task boards, private & group messaging, project analytics, and more

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FunctionFox logo

Timesheets & Project Management Software

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FunctionFox is an online project management and timesheet software designed for creative companies, such as advertising, graphic design, marketing, public relations, and multimedia firms. Users can monitor multiple jobs, assign tasks, manage remote workers, and keep projects on track and on budget.

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Clinked logo

White-label Client Portal & Collaboration Software

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Clinked is a cloud-based client portal & collaboration software. Allow clients, internal teams and project groups to efficiently work within branded, secure and intuitive workspaces. Increased brand recognition and productivity of Clinked will drive client retention and setup apart from competition.

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Workvivo logo
Category Leaders

Employee experience platform

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Workvivo is an employee communication platform designed to bring distributed teams together.

It's a social network, intranet, and employee app solution all merged into one familiar digital experience that employees love.

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eXo Platform logo

Digital Workplace Software

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Improve team collaboration and exchange information fast and conveniently through instant messaging.

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Zoho Cliq logo

Cloud-based software for team collaboration & communication

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Zoho Cliq is a secure team communication software that organizes conversations, workflows, and meetings in one place to boost productivity. With features like video conferencing, custom messaging channels, and seamless integrations, Zoho Cliq enables effective collaboration from anywhere, streamlining workflows for teams of all sizes.

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MangoApps logo

Bring your frontline and office teams together

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MangoApps is a unified employee experience platform that serves as a bridge between your desk and deskless workers. We combine intranet, communication, collaboration, and training into a single user-friendly workspace.

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Stack Team App logo

Create a free app to efficiently manage your organisation.

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Create a free app to efficiently manage your organisation.
Instant communication, automated scheduling and online payments through your own custom app & website

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Staffbase logo

The first AI-native employee experience platform

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Staffbase is the first AI-native Employee Experience Platform that connects Comms, HR, and IT to deliver trusted, personalized experiences for every employee, on every channel.

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Beekeeper logo

The Essential Platform for Frontline Workers

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Peer to peer secure chat messenger. Work better together with secure and organized communication channels to message any employee in real time.

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Axero logo
Category Leaders

Intranet software and collaboration solutions.

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Axero provides easy-to-use instant messaging and chat software that boosts productivity, unifies your people, and helps your company thrive. Increase productivity. Unite employees. Improve culture.

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Zimbra Collaboration Suite logo

Enterprise collaboration and online community software.

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Zimbra Collaboration is an enterprise-class solution for company collaboration with email, calendar and file sharing tools. Zimbra community provides a private social networking space and online community, a place for customer support, with online knowledge bases and other helpful documentation.

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CxEngage logo

Video, audio & web conferencing platform

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Lifesize is an audio, web & video conferencing tool which supports chat functionality, an integrated search-based directory, plus video call recording & sharing

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Jostle logo

Helping employees succeed. Anytime, anywhere, with ease.

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Jostle's the single place where everyone in your organization connects, communicates, and celebrates together. Anytime, anywhere, with ease. The result? Your culture comes to life, and each and every person is set up for success.

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Zoho Connect logo

Enterprise private social network

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Connect in real-time with colleagues with Zoho Connect's private messaging, one-to-one chat, and group chatrooms

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Spike logo

AI-powered email, redefined

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AI-powered email app that keeps communication fast, organized, and secure. Manage all email accounts, chats, calls, and calendars in one workspace—available on every device.

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Gmelius logo

Gmelius transforms Gmail into a team workspace

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Gmelius is a cloud-based collaboration tool that brings teams together within the Gmail platform. By transforming email inboxes into a workspace for team collaboration, Gmelius allows teams to manage projects and clients without leaving their inbox.

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Crew logo

The connected frontline workplace

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Crew is the #1 digital workplace trusted by the world’s largest enterprises. Core to the platform is a highly engaging mobile app that transforms how work gets done for teams.

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eHabilis logo

Cloud-based knowledge and talent management software

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eHabilis is a knowledge and talent management software that allows you to develop a global teleworking system, integrating videoconferencing to organize online seminars, etc.
It's specially designed to make training processes, talent development and collaboration in organizations more effective.

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todo.vu logo

Tasks, time tracking & billing for freelancers & SMEs.

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todo.vu is a cloud-based productivity suite which enables freelancers & small teams to manage tasks, time & client communication effectively & efficiently

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Speakap logo

Stay on the pulse of your organization. From anywhere.

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Speakap is an enterprise social network and communication platform which enables organizations of all sizes to improve engagement with non-desk and customer-facing employees to share new knowledge, ideas, internal achievements, and more

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Circuit logo

Team communication software for facilitating collaboration

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Circuit is a virtual collaboration software designed to help small and medium-sized businesses organize projects, share documents, and communicate with team members. It offers face-to-face video meetings, screen sharing, mobile applications, and content labeling, plus an API for app integrations.

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Lark logo

Collaboration tool for SMEs and education institutes

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Lark is a collaboration software that helps businesses establish communication through instant messaging and audio or video calling. It lets users create chat threads and view interaction history to streamline communication and provide context on specific topics.

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Troop Messenger logo

Real-time messenger application for businesses of all sizes

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Troop Messenger is a real-time messenger application which helps small to large businesses manage team collaboration and communication. It facilitates a secure instant messaging platform, allowing users to discuss projects, share ideas and connect with employees across their entire organization.

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Noodle logo

Your All-in-One Collaboration Workspace.

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Noodle’s built-in Instant Messenger application allows employees to chat with each other.

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