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Top Rated Team Communication Software with Open source - Page 13

Last updated: October 2026

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368 software options

Bitrix24 logo

Cloud & on-premises workspace for all business sizes

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Bitrix24 #1 FREE team communication platform. Used by over 12 million teams worldwide. Chat, video, documents, calendars, tasks, project management, more.

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Basecamp logo

Flexible project management and team communication tool

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Basecamp is a comprehensive project management software that helps teams stay organized and on track. Trusted by millions, Basecamp puts everything needed to get work done in one place, providing a structured way to manage projects, collaborate with clients, and communicate company-wide

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Zoho CRM logo

Customer relationship management solution

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Zoho CRM is a cloud-based customer relationship management (CRM) solution that helps businesses of all sizes close deals smarter, better and faster. The solution lets businesses reach customers through every channel, including telephone, email, social media, and live chat.

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C-me logo
(0)

Utilising modern psychometrics to drive people performance.

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C-me is a platform to support workplace communication, establish trust, and drive performance across your organisation.

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Yaraa AI Sales Agent logo
(0)

Replace Contact Form with a Live AI Sales Agent

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Yaraa AI is a powerful AI sales agent for Websites that helps you generate leads, engage visitors, and increase conversions automatically. It works as a smart contact form alternative, replacing traditional forms with real-time AI conversations that capture and qualify leads instantly.

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Rounds logo
(0)

Cloud-based AI hiring platform for engineering teams

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Rounds is a cloud-based hiring platform replacing resume screens with AI-allowed work trials and structured interviews for engineering.

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Messagenius logo
(0)

Corporate-grade self-hosted (on-prem/cloud) messaging.

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Messagenius is the enterprise messaging app that makes internal comms secure, compliant, smart and integrated.

It runs on clients’ private servers/clouds, boosts productivity with dedicated features, and integrates into any software in use.

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CentricMinds Work Chat logo
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Workplace messaging, without losing control.

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Replace scattered workplace chats with secure messaging, dedicated team channels and targeted company updates. CentricMinds Work Chat connects office and frontline employees, with read tracking, central administration and flexible cloud deployment.

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Threema OnPrem logo
(0)

Threema OnPrem is a self-hosted business messaging solution.

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For businesses and organizations that place a high priority on data security and privacy, Threema OnPrem is the ideal corporate messaging solution.

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KYZON Space logo
(0)

Team communication and collaboration solution

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KYZON Space is a collaboration platform designed to replace traditional office environments. It enables uninterrupted collaboration, allowing users to share presentations directly, edit documents as a group, and stay connected through open spaces. The platform's live document collaboration feature allows remote meeting participants to collaborate on documents, integrating document sharing and editing functionality.

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TelebuPing logo
(0)

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projectfacts logo
(0)

all-in-one erp software for service providers

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projectfacts is an all-in-one erp software for service providers to digitize their business processes.

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Vector Privacy logo
(0)

Encrypted app with decentralized network

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Vector is an open-source private messenger app that provides end-to-end encryption for secure communications. The application transfers encrypted data through a decentralized relay network and is available for Windows, macOS, Linux, and Android platforms. Vector operates without collecting metadata or requiring user identification verification.

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Imagina Smart Offices logo
(0)

Event management tool for businesses

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Imagina Smart Office is a solution for your connected business, regardless of your sector of activity, with functionalities that allow all your employees to work more efficiently on a fluid and simple tool.

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i-net CoWork logo
(0)

Enterprise Communication with Full Data Control

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i-net CoWork is a team communication platform combining chats, channels, voice and video calls, screen sharing and files. Mentions, reactions and searchable history keep discussions organized. Deployment on the organization's own infrastructure is available with the appropriate license.

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Prostream logo
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More time to get the job done.

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For project managers who need to deliver (construction) projects within budget and tight deadlines, Prostream is a flexible & supportive software platform that facilitates collaboration with all parties throughout the construction process. With document management, quality control & BIM solutions.

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Lupl logo
(0)

Project collaboration platform for law firms

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It is a secure, collaborative workspace for law firms, corporate legal departments and clients that makes it easy for everyone to work together on legal matters within and between organizations.

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Vectary Canvas logo
(0)

Cloud-based AI canvas for 2D, 3D & AR ideation

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Browser-based collaborative AI canvas for design ideation, research, and concept validation, unifying mood boards, 3D, and AR tools.

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Topicbox logo
(0)

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ExeBoard logo
(0)

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Mediline logo
(0)

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ClavaNet logo
(0)

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CypherChat logo
(0)

End-to-end encrypted messaging with AI assistance

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CypherChat® delivers secure messaging with end-to-end encryption, peer-to-peer networking, and AI-powered collaboration - no personal information required.

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Wokay logo
(0)

Stop Juggling, Start Focusing.

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Wokay offers fast team messaging with built-in tasks and workspace tools, helping SMBs stay aligned without switching apps. Channels, DMs, and mobile access make communication instant and collaboration effortless.

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OctaChat logo
(0)

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