
Slack
Mattermost
Discord
Element.io
Telegram
Zulip
Microsoft Teams
Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

Pusher
Socket.io
PubNub
Firebase
Chat by Stream
Liveblocks
Tip Tap
The realtime platform that just works. We power more WebSocket connections than any other pub/sub platform, serving over 2 billion devices monthly.

Which is more popular?
Based on our record, Rocket.Chat should be more popular than Ably. It has been mentioned 68 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | rocket.chat | ably.com |
| Pricing | ||
| Company | Startup from Brazil · 50 - 99 employees · 2016 | Startup from the United Kingdom · 50 - 99 employees · 2016 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Rocket.Chat yet.
We help teams deliver resilient AI UX and high-performance live experiences that stay fast and in sync worldwide. We provide the global realtime layer for AI agents, chat, notifications, live dashboards, and collaboration - engineered to handle peak demand without self-managed infrastructure....
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Rocket.Chat is well-suited for businesses and organizations that require a secure and customizable communication platform. It's particularly recommended for IT teams, tech-savvy businesses, or community groups comfortable with managing an open-source solution. It's also a great choice for organizations that need to meet strict data privacy and compliance requirements.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Rocket.Chat and Ably. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


While Mattermost supports internal communication, Rocket.Chat has extended abilities that promote internal as well as external communication with customers, suppliers, vendors, and others. Also, the platform attaches...
Let us know if you want to have a quick chat with our team over here at Rocket.Chat to go through the most important advantages Rocket.Chat holds over Webex.
We have no reviews of Ably yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Indie hackers also leverage collaboration tools like Nextcloud for file sharing and team projects, and Mattermost or Rocket.Chat as self-hosted alternatives to Slack. These tools empower remote teams and foster efficient communication... - Source: dev.to / over 1 year ago
Communication tools such as Mattermost and Rocket.Chat support team collaboration. - Source: dev.to / over 1 year ago
Rocket.Chat is an open source communication platform that allows teams to collaborate in real-time. It supports text, voice, and video communication and integrates with various other tools and services. Learn more about Rocket.Chat on... - Source: dev.to / about 2 years ago
During this week’s AWS us-east-1 outage, Ably maintained full service continuity with no customer impact. This was our multi-region architecture working exactly as designed; error rates were negligibly low and unchanged throughout. Any... - Source: dev.to / 11 months ago
Services like Pusher and Ably are experts in real-time messaging. They provide robust APIs for pub/sub channels, allowing you to broadcast events to clients reliably. - Source: dev.to / about 1 year ago
Ably is a real-time infrastructure platform that focuses on delivering low-latency, reliable messaging across global distributed systems. It's designed for developers building event-driven applications, including chat, but also supports... - Source: dev.to / about 1 year ago
When comparing Rocket.Chat and Ably, you can also consider the following products.


Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
Compare Pusher to Rocket.Chat or Ably:

Mattermost is an open source alternative to Slack.
Compare Mattermost to Rocket.Chat or Ably:


Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
Compare Discord to Rocket.Chat or Ably:

PubNub is a real-time messaging system for web and mobile apps that can handle API for all platforms and push messages to any device anywhere in the world in a fraction of a second without having to worry about proxies, firewalls or mobile drop-offs.
Compare PubNub to Rocket.Chat or Ably: