Top 11 Slack alternatives

Last updated: May 24, 2018
Slack
Slack brings all your communication together in one place. It's real-time messaging, archiving and search for modern teams. Create open channels for the projects, groups and topics that the whole team shares. Slack searches whole conversations, not just individual messages, so you can find what you’re looking for no matter who said what or when they said it. Slack free open-source (self-hosted) alternatives are: Mattermost, Rocket.Chat, Zulip
The best Slack alternatives:


Microsoft Teams


Microsoft Teams is the chat-based workspace in Office 365 that integrates all the people, content, and tools your team needs to be more engaged and effective. Microsoft Teams free open-source (self-hosted) alternatives are: Mattermost, Rocket.Chat, Zulip

HipChat


Group chat and video chat built for teams. Share ideas, code, and files with your team in real time. Rooms are perfect for individual projects, teams, or entire departments. You can also hop into a 1-to-1 chat with a coworker anytime. Connect your team and build genuine consensus with face-to-face video chat and real-time screen sharing. The next best thing to right next to you. HipChat free open-source (self-hosted) alternatives are: Mattermost, Rocket.Chat, Zulip

Flowdock


Flowdock is a team collaboration app for desktop, mobile & web. Work on things that matter, be transparent and solve problems across tools, teams & time zones. One place to talk and stay up-to-date.

Yammer


Yammer is revolutionizing internal corporate communications by bringing together all of a company’s employees inside a private and secure enterprise social network. Although Yammer is as easy to use as alternative consumer products like Facebook or Twitter, it is enterprise-class software built from the ground up to drive business objectives.

Basecamp


Basecamp tackles project management with a focus on communication and collaboration. Making to-do lists and adding to-do items literally just takes seconds. Basecamp is optimized to make the things you do most often really fast and really easy. Basecamp mobile is especially made for popular mobile devices like iPhone and Android. Basecamp free alternatives are Trello and Asana. If you are looking for open-source self-hosted Basecamp alternatives pay attention to RedMine or ProjectPier.

Skype


Skype is a software application that allows users to make voice and video calls and chats over the Internet. Calls to other users within the Skype service are free, while calls to both traditional landline telephones and mobile phones can be made for a fee using a debit-based user account system. Skype has also become popular for its additional features which include instant messaging, file transfer, and videoconferencing. Skype alternative for enterprise is called Skype for Business. Secure Skype alternatives are Signal and Telegram.

Asana


Asana is the shared task list for your team, where you can plan, organize & stay in sync on everything.As fast as a text editor. Plenty of keyboard shortcuts, fewer page loads and mouse clicks. Asana is one app that won't get in your way. Free Asana alternatives are Bitrix24, Producteev, Remember The Milk. Asana open-source self-hosted alternatives are: RedMine and ProjectPier.

Google Hangouts


Google Hangouts is a live video chat app. It allows to share your screen, collaboratively draw on a whiteboard, edit Google Docs documents, create broadcasts for the unlimited number of viewers. Splitted into group chat app and videoconferencing app. Secure Google Hangouts alternatives are Signal and Telegram.

Salesforce


Most-popular CRM. Easy collaboration. Proven cloud platform. Salesforce.com offers everything you need to transform your business into a Social Enterprise, so you can connect to customers and employees like never before. With no software or hardware to install, you're up and running—and seeing a positive impact on your business—quickly. Free Salesforce alternatives for small business are: Zoho CRM, Bitrix24, CapsuleCRM, Insightly, FreeCRM. If you are looking for open-source self-hosted Salesforce alternatives pay attention to SugarCRM, SuiteCRM, vtiger.