Async is described as 'Web application that helps small teams of software engineers have deep uninterrupted discussions and build more focused software' and is a Group Chat app in the network & admin category. There are more than 100 alternatives to Async, not only websites but also apps for a variety of platforms, including Android, iPhone, Windows and Mac apps. The best Async alternative is Element. It's not free, so if you're looking for a free alternative, you could try Element or Discord. Other great sites and apps similar to Async are Slack, Wire, Threema and Mattermost.
IceWarp integrates all communication & collaboration features in one unified solution. Available in cloud or for on-premises deployment, IceWarp is a great tool to share and exchange all information and ideas online, offline or via mobile devices.
Moxtra provides cloud-based project binders for managing, presenting and sharing your projects/events/parties/trip... from your iPhone/iPad.
Wiggio is an online toolkit that makes it easy to work in groups. With Wiggio you can:
AtomJump.com is a well tuned hosted version of the free open-source AtomJump.org. It is free to chat publicly with your family, group or co-workers on your own group.
Stackfield is a Slack-alternative for chat, collaboration, calendaring and file-sharing. It enables encrypted chatting (end-to-end encryption) and is hosted in Germany.
Your team’s bot for external communications. MailClark allows your team to both send & receive emails without ever leaving Slack. Great for customer support, team inbox, help desk and more!.
Team.biz is a messaging service for companies, teams, and professionals. Team administration, group messaging, add guests, text (SMS and MMS), open and private topics, drag & drop image and doc sharing, edit messages, view message history, and more.
Collaboration app for teams of all sizes. Hubgets makes team knowledge instantly available through chat, voice and video. Fast results, fewer interruptions, more transparency, stronger teamwork.
Create communities organized in groups with shared content, member-generated posts, private messaging, customizable branding, event and discussion features, content libraries, activity notifications, virtual or in-person meetups, and scalable network structures.
Rainbow is a Unified Communication as a Service (UCaaS) and Communication Platform as a Service (CPaaS). It is a hybrid cloud solution for enterprise communications which aims to connect people and systems optimally.
AVAILO is a business communication app for teams. One place for internal and external communications, open groups for your team members, service providers and customers, with real time messaging, share emails, folders and files, in a simple way.
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