Best Daoffice Chat Apps

Slack

Business Communication

Free

This app streamlines business communication by bringing together coworkers, customers, and contractors in a secure, unified workspace. It offers AI-powered search and summarization, automation tools, and integrations with over 2,600 apps to reduce busywork and improve collaboration.

MaaS360 Chat

by International Business Machines Corp.

Free

Securely communicate with colleagues across various networks. Supports one-on-one and group chats, contact presence updates, and notification management. Conversation history is saved on the device.

Teamwork Chat

by Teamwork Crew Limited

Free

This app provides instant messaging for teams to foster collaboration and enhance productivity. It allows for communication through channels or direct messages, with integrated file sharing and seamless integration with project management tools.

KN Chat - Team Collaboration

Let creativity happen

Free

Enhance office efficiency and collaboration with secure online communication tools. This app supports enterprise information security and organizational management for businesses.

Sangoma Chat

by Sangoma Technologies Inc.

Free

Communicate with colleagues via text and SMS, and integrate with other Sangoma business tools for video conferencing and voicemail. Requires a business phone system account from Sangoma Technologies.

Skype for Business

Formerly Lync 2013

Free

This app enables voice and video calls, instant messaging, and conferencing on your mobile device. It allows you to join meetings, manage participants, and access recent conversations. It requires a Skype for Business or Lync account to function fully.

myDTO Chat

Dream Team Member Chat Tool.

Free

This business communication tool synchronizes messages between its mobile and desktop versions. It is designed for exclusive use by members of mydtonline, ensuring team collaboration.

MyChat Client

Secure corporate messenger

Free

This secure messenger facilitates internal employee collaboration for businesses. It allows for private messaging and file exchange within a company network or over the internet, offering full control over data and security.

LocalRAG! - AI Document Chat

AI Chat: PDF, Audio & Video

Free

This app allows you to ask questions and get answers from all your documents, including PDFs, Word, Excel, audio, and video files. It transcribes audio and video on-device and provides answers with source citations, all while prioritizing your privacy by keeping your data local.

Chat Unlimited & Ask Brutus AI

Chat using GPT-5, Grok, Claude

Free

Engage in intelligent conversations with an AI assistant powered by advanced language models and internet search. This app offers a free mode, stores past conversations, and assists with various tasks, learning, and creative endeavors. Enjoy a private and secure chat experience with a user-friendly interface.

Aao Chat

Fast, Secure, Private Chats

Free

This platform streamlines team communication and collaboration with integrated tools for businesses and groups. It offers AI assistance, secure calls, document sharing, and customizable chat options for efficient and private interactions across all devices.

Quip - Docs, Chat, Sheets

by Quip

Free

This app combines chat, documents, slides, and spreadsheets into a single platform for seamless team collaboration. It streamlines workflows by reducing the need for emails and meetings, allowing teams to work faster and more efficiently across all their devices.

Balsio: Work Chat

Formerly BirdyChat. Made in EU

Free

This professional chat application helps you keep work conversations separate from personal life. It allows communication with colleagues and external contacts using only work emails, fostering focused productivity and cross-organizational collaboration.