Compare Cisco Spark to these popular alternatives based on real-world usage and developer feedback.

It is a group-oriented messaging platform with an integrated suite of collaboration tools that is tailor-made for workplaces in Asia

Imagine all your team communication in one place, instantly searchable, available wherever you go. That’s Slack. All your messages. All your files. And everything from Twitter, Dropbox, Google Docs, Asana, Trello, GitHub and dozens of other services. All together.

See content and chat history anytime, including team chats with Skype that are visible to the whole team. Private group chats are available for smaller group conversations.

HipChat is a hosted private chat service for your company or team. Invite colleagues to share ideas and files in persistent group chat rooms. Get your team off AIM, Google Talk, and Skype — HipChat was built for business.

Users can send messages and exchange photos, videos, stickers, audio and files of any type. It provides instant messaging, simple, fast, secure and synced across all your devices.

Mattermost is modern communication from behind your firewall.
A tool that simplifies the way teams work together - Manage workload, track projects, move work forward, communicate with people - Adopt a management tool that people actually love to use, one that's fast, and easy to use.

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework. It is a great solution for communities and companies wanting to privately host their own chat service or for developers looking forward to build and evolve their own chat platforms.

Free chat rooms for your public repositories. A bit like IRC only smarter. Chats for private repositories as well as organisations.

Zulip is powerful, open source team chat that combines the immediacy of real-time chat with the productivity benefits of threaded conversations. Zulip allows busy managers and others in meetings all day to participate in their teams chats.

Every evening, iDoneThis sends you an email that asks you what you got done that day. The next morning, we send a digest of what everyone on your team got done the previous day to you and your team members.

Whether in a 1:1 chat or a dedicated group workspace, collaborate with your team in an organized way. Share and discuss Docs, Sheets, and Slides all in one place.

Flowdock is a web-based team chat service that integrates with your tools to provide a window into your team's activities. With the team inbox, everyone on your team can stay up to date. Stay connected with Flowdock's iOS and Android apps.

Keybase is for anyone. Imagine a Slack for the whole world, except end-to-end encrypted across all your devices. Or a Team Dropbox where the server can't leak your files or be hacked.

Communicate, collaborate and connect across desktop and mobile, using familiar features such as groups, chat and video calls. Because anything is possible when people work together.

It is a platform that empowers people leaders to build engaged, high-performing teams, inspire winning cultures, and make strategic. It helps companies manage performance with goal tracking, ongoing feedback and performance reviews.

It is messaging for teams that focus. Designed from the ground up to make you more productive. Everything in Quill is a thread. Focus on a topic, make decisions, and stay in flow. Choose the conversations you care about and safely filter everything else, knowing that you’re not missing out.

It is an enterprise communication and collaboration platform. that enables text, photo, voice and video communication, workflow management and collaboration among team members and enterprises of various sizes.

Twist is a communication app for teams who believe there’s more to work than keeping up with group chat apps, created by the makers of Todoist.

Flock is a communication app for teams. Packed with tons of productivity features, Flock drives efficiency and boosts speed of execution.


It is a group chat app for business. Secure messaging, video chat, task management and file sharing. Real-time communication and increase productivity for teams.

It is a business communication app that includes real-time messaging, task management and automation. You can share files and make audio or video calls, right from within your chat channels. it is loaded with features to keep teams productive and cohesive.

It is a free messaging application that combines chat & messaging services into one application.

It supports end to end encryption, groups, channels and sharing of files between users, also registration does not require a phone number.

Campfire is like instant messaging, but designed exclusively for groups. Share text, files, and code in real time. Save transcripts so you don’t forget.

Business and personal conversations secured with end‑to‑end encryption and protected by European privacy laws.

Let's Chat is a persistent messaging application that runs on Node.js and MongoDB. It's designed to be easily deployable and fits well with small, intimate teams. It's free (MIT licensed) and ships with killer features such as LDAP/Kerberos authentication, a REST-like API and XMPP support.

Bring all the right people together instantly with built-in voice and video meetings. Turn conversations into action with integrated collaboration tools. Find the space to focus so you can get to done faster.

Create a workspace that brings teams together: sales marketing product R&D. Escape costly scattered tools and unreliable integrations by having goals, projects, customers, and docs connected in Fibery.

Leave email behind and manage all conversations with your team, partners and clients in Fleep. If some of them are not Fleep users yet, they will receive all messages as normal emails.

Keep your team up to date — without another meeting.

Actor is a platform for instant messaging. Actor provides features like large group chats; unlimited history storage; send/receive documents, photo, and video; authentication with one time password for phone number/email or OAuth2; easy integrations with external services.

It empowers and protects your most important people with the information and tools they need. Its Direct & Group Messaging means you can reach anyone, anytime, without the need for email addresses or phone numbers.

It brings your team together in a single space where they can discuss feedback, solve problems and collaborate better.

It is a real time collaboration (RTC) server. It uses the only widely adopted open protocol for instant messaging, XMPP (also called Jabber). It is incredibly easy to setup and administer, but offers rock-solid security and performance.
A desktop chat client for group-centric services like Slack and Discord. It provides a traditional compact desktop interface designed for power users.

It is a planning app which is designed to help your team to carry out complex business plans with ease and efficiency. This software is a great help for marketers and developers because it offers some intuitive and easy to use features for activity planning.

Standup automatically processes data from your source control and project managment software to deliver daily engineering progress reports.

It is a live social chat app to stay connected with your friends, team and colleagues at work. It streamlines the conversation by removing all unnecessary buttons and dropping you straight into the conversation.

It is a team communication tool that organizes team collaboration, chats, files, and even emails into a single location, for any size team, for FREE.

It is a free software web application, where users can initiate discussions and put up proposals. It is a simple, user-friendly online tool for collaborative decision-making. Loomio empowers organisations and communities to turn discussion into action, wherever people are.

Hall is group chat, IM and video chat for companies and teams. Available free for the web, desktop and mobile. FREE anytime, anywhere.

It is an internal communication service for teams which enables the OKR goal-setting and Progress, plans, problems weekly reporting methodologies.

Run asynchronous, automated daily standup meetings in Slack, across the globe. Track team performance.

A daily email reminder requests a quick update from you and your team. You reply with a list of your accomplishments, todos and problems. The next day, get a digest email with what your team got accomplished.

Friends is like Slack except P2P, offline friendly and open source. We transmit data over secure channels and authenticate messages. It's made by a group of open source developers who are motivated to make a public chat platform that is easy to use but isn't centrally controlled, and where data is owned by its users.

Simple status reporting for your team. We integrate with various tools, like GitHub, Asana, Slack, HipChat, the command line, and email, so everyone can quickly understand what others are working on while remaining in flow.

It is a web application that helps individuals get things done and synchronize teams . It works as a collaborative work tool to simplify project planning.
Inspired by the best and built for XMPP, Kaiwa is a beautiful web-based client for the only standardized chat protocol. Combined with Prosody, one of the best XMPP servers out there, Kaiwa provides an unparalleled XMPP experience, on par with well-known commercial alternatives.