What are the best business instant messaging software?

As of my last update in October 2023, several instant messaging software options are popular among businesses for their features, security, and integration capabilities. Here are some of the best business instant messaging software:

1. **Slack**: Known for its user-friendly interface, Slack offers channels for team communication, direct messaging, file sharing, and integration with numerous third-party applications.

2. **Microsoft Teams**: Part of the Microsoft 365 suite, Teams combines chat, video conferencing, and file collaboration. It integrates seamlessly with other Microsoft applications, making it a strong choice for organizations already using Microsoft products.

3. **Zoom Chat**: While primarily known for video conferencing, Zoom also offers a chat feature that allows for messaging, file sharing, and integration with other tools.

4. **Google Chat**: Integrated with Google Workspace, Google Chat allows for direct messaging and group conversations, along with easy access to Google Drive and other Google services.

5. **Discord**: Originally designed for gamers, Discord has gained popularity in business settings for its voice, video, and text chat capabilities, especially among tech-savvy teams.

6. **Mattermost**: An open-source messaging platform that offers self-hosting options, Mattermost is ideal for organizations that prioritize data security and customization.

7. **Rocket.Chat**: Another open-source option, Rocket.Chat provides a customizable messaging platform with features like video conferencing, file sharing, and integration with various tools.

8. **Flock**: A team collaboration tool that includes messaging, video calls, and productivity features like to-do lists and polls, Flock is designed for small to medium-sized businesses.

9. **Workplace from Meta**: This platform combines familiar social media features with business tools, allowing for team communication, collaboration, and integration with other business applications.

10. **Twist**: Designed for remote teams, Twist focuses on asynchronous communication, allowing users to have organized discussions without the pressure of real-time responses.

When choosing an instant messaging software for your business, consider factors such as team size, existing tools, security requirements, and specific features that meet your organization's needs.