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Top Rated Instant Messaging & Chat Software with Api - Page 2

Last updated: May 2026

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106 software options

Brosix logo

Secure instant messenger for teams and businesses

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Secure instant messaging software for business communication providing a private team network with many control features.

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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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Team on the Run logo

The All-in-one Business Process Communication solution

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Team on the Run allows message and file transfer that is as fast and easy as other popular messengers but offers business-worthy security and reliability on top

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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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Fleep logo

A flexible messenger for team communication and file sharing

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A messenger app that integrates with email. It includes file sharing, tasks, pin boards and more and works across multiple organisations

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Teamogy logo

All-in-one cloud platform for projects, finances & teams

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Teamogy is a secure all-in-one cloud platform for managing projects, finances, documents and teams. Includes budgeting, time tracking, invoicing, reporting, integrations and automation. Accessible anytime, scalable for startups to enterprises.

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Pronto logo

Communication management solution

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Pronto is a communication management solution, which helps educational institutions & businesses collaborate and communicate via real-time text or video chats. It lets users modify, delete, or store various documents such as spreadsheets, images, videos & slideshows in a centralized repository.

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SnapComms logo

Internal Communications Tools that Get Employee Attention

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SnapComms is an employee communications software solution that allows organizations to communicate more effectively with their employees. Designed with all workplaces in mind, our software bypasses email to inform and engage every employee across desktop, digital display and desktop.

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Groupe.io logo

Employee app for internal communication & process automation

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Connect all employees, from HQ to the frontline, over an all-in-one employee app. Instantly find coworkers with an enterprise directory and collaborate securely via instant messaging, feeds, instant translations, video calls, file sharing, and more.

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Conceptboard logo

Secure whiteboard for tasks, ideas & collaboration

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Conceptboard is a GDPR-compliant online whiteboard for visual collaboration and task management. Hosted in Germany, it enables secure teamwork in real time or asynchronously — from brainstorming to project delivery.

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Threema Work logo

Secure and privacy-compliant business messenger

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Threema Work is a suite of secure communication tools with the mobile messaging app at the center. Tailored to the professional use in companies, organizations, and governments with the highest security requirements.

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OurPeople logo

The best employee communications App available!

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OurPeople is an innovative mobile solution designed to be engaging, increase performance, and save managers time. OurPeople's platform offers exclusive delivery methods that are targeted using Smart Tags to ensure your team no longer suffers from information overload like email or group chat apps.

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Projecis logo

Web based project management solution to connect teams

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Projecis is a web-based solution that enables project managers to organize information and share it with other stakeholders for better decision making

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Ravetree logo

Award-winning work management solution

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Ravetree is an all-in-one work management solution for project-driven organizations and teams with tools for managing projects, time, resources, and clients

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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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Omnidek logo

Cloud-based business process management (BPM) solution

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Omnidek is a cloud-based business process management (BPM) software designed to help organizations of all sizes create corporate forms, intranet portals, and workflows on a unified platform.

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Convo logo

Simple. Smart. Real Time Collaboration.

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Convo is a collaboration tool built for organizations to centrally share, organize, and archive information across dispersed teams

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Cerri Work logo

Cloud and on-premise collaborative work management software.

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Cerri Work is a cloud and on-premise based feature-rich collaborative work management software for corporations.

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SAP Ruum logo

AI-driven project management and collaboration tool by SAP

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SAP Ruum is a collaborative, AI-driven project management solution for teams which provides project management, task tracking, and progress reporting. The platform is designed for sales, marketing, HR, supply chain, analytics, and professional services teams, and integrates with the SAP C/4HANA suite.

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EasyGrouper logo

Your Company Directory, Made Mobile

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EasyGrouper is a company directory, includes mobile messaging, employee profiles, information storage and more. It can be accessed from any mobile device. Keep your valuable company contacts in a clean, separate and secure app. Onboard new employees easily. Integrates with Google Apps for Business!

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WikiPro logo

Customer communication platform for small business owners

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WikiPro is a customer communication platform designed to help small businesses in the legal, finance, accounting, and marketing sectors engage with clients by requesting reviews, electronic signatures, payments, and more. Administrators can create tasks and assign them to team members.

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Zinc logo

Team communication software for driving employee engagement

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Zinc (formerly Cotap) is a collaboration software designed to help businesses in hospitality, retail, and healthcare sectors, communicate with field technicians to provide customer service. Managers can send custom broadcast messages to field employees based on their location, team, role or skills.

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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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TeamWox logo

Online groupware and collaboration software

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TeamWox is a web-based collaboration software with HRM, Task and Document Management, CRM, Service Desk and IP PBX suits in 30 languages.

Using this groupware, it is possible to build up an effective teamwork and speed up management decision-making based on timely and reliable information. Moreover, the TeamWox system allows to increase the efficiency of the working team and its productivity, as well as reduce expenses of the entire business.

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Citadel Team logo

Internal communications and collaboration platform

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Citadel Team is a cloud-based internal communications solution that helps businesses of all sizes improve team collaboration via chat, voice calls, and video conferences. It enables managers to grant access permissions to specific users, create groups, and share documents with colleagues.

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