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Top Rated Team Communication Software with Open source - Page 5

Last updated: August 2026

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332 software options

Stackfield logo

Highly Secure Collaboration. Made in Germany.

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Stackfield is an All-in-One Collaboration Tool from Germany with all the features teams need to collaborate: Team chat, task and project management, video conferencing, collaborative work on documents and more. At the same time, Stackfield meets the highest privacy and data security standards.

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Conceptboard logo

Secure whiteboard for tasks, ideas & collaboration

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Share context visually, not just messages. Conceptboard enables structured team communication with boards that keep ideas, tasks, and discussions all in one place—ideal for distributed teams and secure workflows.

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Teamwire logo

Fast and secure enterprise messaging app for teams

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Teamwire is a fast, easy to use and secure enterprise messaging app to improve team communication and collaboration in businesses

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Ploomo logo

Team communication and management software

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Ploomo is a team communication and management software designed to help small businesses perform employee sentiment analysis to identify areas of concern across the organization. The platform enables managers to streamline psychometric and role profiling with exit analytics using a unified interface.

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Yeastar Cloud PBX logo

Digital Value, Delivered.

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Run your business phone system on the cloud with secure calling, unified communications, and centralized management.

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Ziik logo

Social Intranet Software

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Ziik is an internal communication and information sharing platform that facilitates employee engagement for businesses.

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Callbox logo

UCaaS, Cloud PBX, Contact Center, Omnichannel

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Callbox is a cloud PBX for collaboration and contact center integrated with MS Teams and Google Workspace, CRMs, and ERPs.

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Mission Control logo

Leading PSA and Project Management SaaS

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Mission Control is a project management tool that helps teams orchestrate their work, from daily tasks to strategic initiatives.

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Business in a Box logo

The Business Operating System for SMBs

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Business in a Box (BIB) is a Business Operating System (BOS) for small and medium businesses. It brings tasks, projects, documents, communication, and team structure into one system, helping companies run with clarity instead of chaos.

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Crew Console logo

Work Dialed In.

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Crew communication made simple with a whiteboard-like app that can send SMS text to field employees Crew Console is a web-based construction management software designed to help businesses in the construction industry automate processes related to job tracking, scheduling, time-keeping, and more.

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Lineup logo

Volunteer management software with surveys

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Lineup is a cloud-based volunteer management software designed to help small and medium-sized businesses track employee and subject matter expert (SME) data, create a team database, and collect and compile information using surveys and forms. The platform lets teams bulk upload data and spreadsheets, which can be edited, filtered, and sorted based on individual requirements.

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Moon Boots logo

Web-based and content centric social media platform

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Moon Boots is a private content centric social media platform that allows users to share their ideas, thoughts, and experiences with network of friends and followers. With Moon Boots, you can create and share content in a deeply secure and private environment, without the distractions and noise of traditional social media platforms. Join our community today and discover the power of meaningful connections through shared content.

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Zenzap logo

Finally, work chat done right.

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Zenzap is an intuitive work chat app built for team communication. It provides an easy-to-use chat experience that keeps teams connected and organized, while keeping business data secure and compliant. Finally, work chat done right.

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Netpresenter logo

Emergency notification and internal communication platform

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Netpresenter is a collaboration application that facilitates firms to keep employees informed and engaged, improving productivity and workplace safety. Key features include geotargeting, scenario planning, survey & contact management, multi-channel communication, and real-time chat messaging.

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Sling logo

Employee scheduling and attendance tracking solution

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Sling is a scheduling and communication solution that incorporates employee scheduling, team messaging, time tracking, task management and reporting functionalities and allows managers and employees alike to organize all aspects of work on a single platform.

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Bluepulse logo

Social feedback software

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Blue is a software that fully automates your surveys, 360 degree feedback reviews, course evaluations and other key institutional feedback initiatives.

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Interacta logo

Business platform for natural interaction

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Interacta is a cloud-based platform, which helps business manage operations, share knowledge, engage employees, and facilitate team collaboration. Features include real-time notifications, rewards, task management, full-text search, data feed, document storage, multi-device support and more.

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Connect logo

Secure internal communication app

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Connect is a secure internal communication app which focuses on employee engagement, micro-learning and community building using features such as a newsfeed, instant messaging, quizzes, video coaching, analytics, and more. Native mobile apps allow teams to communicate and collaborate on-the-go.

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Zelos Team Management logo

A self-signup app with chats and gamification

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Zelos is a self-signup app that lets volunteers, crew and contractors claim work instead of being assigned shifts. Desktop and mobile - with unlimited members!

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HubEngage logo

One platform. Mobile-first, modular, and built to integrate.

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HubEngage is a Workforce Experience Platform and Employee Engagement Software. One configurable app for communications, recognition, surveys, scheduling, and task management. Built for frontline, deskless, and distributed teams across mobile, web, SMS, and digital displays.

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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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Yac logo

Collaborate on your time. No more meetings, just Yacs.

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Reclaim your day with async voice & video messages to share designs, communicate with your team, and reclaim your day.

Features include:

Voice messaging
Screen sharing
Transcriptions
Play head speed controls
Generating Sharable Links
Forwarding voice notes
Channels

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Qwil Messenger logo

The only client communication platform you will need

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All-in one client communication platform for all professionals.

Stop the switching between apps as Qwil does chat, doc sharing, e-signature and video for staff and clients, on desktop and on mobile. All-in-one, in your brand knowing that security and compliance has been taken care of.

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Nootiz logo

Collaboration and feedback management software

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nootiz is a visual feedback management software that helps agencies, web designers, copywriters, and web developers share ideas and comments across web projects. Supervisors can attach files in comments, add or archive notes, and receive daily summaries about employee interactions via email.

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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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