Best Internal Communications Software for Startups

Slack is a cloud-based project collaboration and team interaction software solution specially designed to seamlessly facilitate communication across organizations. Featuring powerful tools and services integrated into a single platform, Slack provides private channels to promote interaction within smaller teams, direct channels to help send messages directly to colleagues, and public channels that enables members across organizations to start conversations. Available on Mac, Windows, Android, and iOS apps, Slack offers a plethora of features that include chat, file sharing, collaborative workspace, real-time notifications, two-way audio and video, screen sharing, document imaging, activity tracking and logging, and more.

Discord is a free game communications app designed for both desktop and mobile platforms. Millions of players use the popular game platform every day to chat with friends over voice or text, or even stream gameplay in crystal clear quality for other Discord users. Not only can you organize a voice/text party in seconds, you can also use the service to find other players/teammates, search for certain types of groups/activities, or just talk games during your off time. The best part is that Discord is not designed for any specific genre or type of game; you can use it to coordinate communications for any game imaginable!

Replace a multitude of services and apps with a single ecosystem for your business to work in. Explore the tools of Bitrix24 Activity stream, group chat, calendars, workgroups and other collaboration tools at your disposal. Bitrix24 helps you plan and execute your projects on time every time. Available online and on-premise with open source code access. Collaborative task management for teams large and small. Time tracking, reminders, reporting, templates, task dependencies and more. The world’s most popular free CRM by number of users (12 million companies and growing). Outstanding real time assistance tools that keep customers happy and coming back for your goods or services. Stunningly beautiful websites, landing pages and online stores that can be created by anyone without writing a single line of code. Free domain name and hosting is included. You can use the self-hosted version of Bitrix24 to run on your server.

Trillian is modern and secure instant messaging for business. Supercharge employee communication with Trillian's decentralized and federated instant messaging platform. Send private and group messages, keep tabs on what co-workers are doing, share files, and much more.

TelebuPing is an instant messaging app and a real-time team chat software that simplifies the process of keeping everyone in sync. Experience communication like never before.

The all-in-one social and collaborative intranet platform, specifically designed for businesses that work with Google's G Suite. The platform brings together an intranet, collaborative features, and social networking into one unified solution. Happeo is used by more than 300k users worldwide to unlock the value of employee engagement and is an award-winner for its user-friendliness, the best workplace integrations, and ease of implementation.