Software Alternatives, Accelerators & Startups

Discourse VS Ably

Compare Discourse VS Ably and see what are their differences

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Discourse logo Discourse

Discourse is an open source discussion platform built for the next decade of the Internet.

Ably logo Ably

The realtime platform that just works. We power more WebSocket connections than any other pub/sub platform, serving over 2 billion devices monthly.
  • Discourse Landing page
    Landing page //
    2023-06-13
  • Ably Ably homepage
    Ably homepage //
    2024-08-05

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.

Teams like HubSpot and Intercom use Ably to avoid the cost and complexity of building and operating realtime systems, while still getting predictable performance at serious scale, handling 2T+ API operations per month. Ablyโ€™s Pub/Sub, Chat, and AI Transport products are unified by design, with developer-friendly APIs and SDKs that integrate across your stack.

Ably

Website
ably.com
$ Details
freemium
Release Date
2016 January
Startup details
Country
United Kingdom
Founder(s)
Matthew O'Riordan, Dr. Paddy Byers
Employees
50 - 99

Discourse features and specs

  • Modern Interface
    Discourse provides a clean, intuitive, and responsive user interface that works well on both desktops and mobile devices.
  • Open Source
    Discourse is open source software, allowing for customization, self-hosting, and community contributions, which can reduce costs and increase flexibility.
  • Rich Features
    The platform includes a variety of built-in features such as threaded replies, real-time notifications, and community moderation tools.
  • Scalability
    Discourse is designed to handle small communities as well as large, active forums, making it suitable for a variety of use cases.
  • Security
    Regular updates and a dedicated security team help keep the software secure against vulnerabilities.
  • Integration and APIs
    Discourse offers extensive APIs and integrates well with various other services and plugins, facilitating seamless extensions and automation.

Possible disadvantages of Discourse

  • Resource Intensive
    Discourse can be resource-heavy, which may require significant server capacity and maintenance, especially for large communities.
  • Hosting Costs
    While you can self-host Discourse, the server and maintenance costs can be high. Managed hosting plans provided by Discourse can also be expensive.
  • Complex Setup
    Installing and configuring Discourse can be complex, particularly for those without technical expertise in server management and Ruby on Rails.
  • Learning Curve
    Users and administrators might face a steeper learning curve compared to more traditional forum software due to its modern interface and extensive features.
  • Limited Built-in Themes
    The default theme options are somewhat limited, and extensive customization requires knowledge of front-end development.
  • Dependency on PostgreSQL and Redis
    Discourse relies on PostgreSQL for its database and Redis for caching, which might complicate setup and maintenance compared to solutions that use simpler database architectures.

Ably features and specs

  • Scalability
    Ably is designed to handle a massive number of concurrent connections and messages, making it scalable for both small and large applications.
  • Real-time Messaging
    Ably provides robust real-time messaging capabilities with low latency, supporting use-cases like live chat, gaming, and real-time data streaming.
  • Global Presence
    Ably has a globally distributed network, ensuring low latency and high availability for users around the world.
  • Advanced Features
    It offers advanced features such as message history, presence, and push notifications, which can enhance the functionality of real-time applications.
  • Security
    Ably includes built-in security features such as TLS encryption, token-based authentication, and private channels to ensure secure communication.
  • Extensive Documentation
    The service provides extensive and well-organized documentation, making it easier for developers to integrate and utilize its features.
  • SDKs and Libraries
    Ably offers a wide range of SDKs and libraries for different programming languages and platforms, easing the development process.
  • Reliable Delivery
    It ensures reliable message delivery with features like message queuing and message de-duplication.

Possible disadvantages of Ably

  • Complexity
    Due to its wide range of advanced features, the initial learning curve can be steep for new users.
  • Cost
    For large-scale applications or extensive use of advanced features, the costs can add up, making it potentially expensive.
  • Vendor Lock-in
    Relying heavily on Ablyโ€™s platform-specific features may result in vendor lock-in, making it challenging to switch to other services in the future.
  • Dependence on Internet Connection
    As a cloud-based service, Ablyโ€™s performance is highly dependent on the quality and reliability of the internet connection.
  • Third-party Integration
    While Ably offers various integration options, integrating certain third-party services may require additional custom development or may not be as seamless.

Analysis of Ably

Overall verdict

  • Ably is a reliable and efficient real-time messaging platform, well-suited for applications requiring high performance and scalability. It is generally well-regarded within the developer community for its ease of use and robust feature set.

Why this product is good

  • Features
    Ably provides a comprehensive suite of features such as pub/sub messaging, presence, and history.
  • Security
    It implements robust security practices including TLS encryption, token-based authentication, and private channels.
  • Integration
    Supports numerous protocols and provides SDKs for various programming languages, making it easy to integrate with different systems.
  • Reliability
    Ably offers high availability and low latency, ensuring messages are delivered in real-time.
  • Scalability
    The platform can handle millions of active connections and is designed for horizontal scaling.

Recommended for

  • developers building real-time applications like chat apps, dashboards, or multiplayer games
  • businesses in need of a scalable solution for live updates and notifications
  • teams looking for a platform with strong security and compliance credentials
  • organizations requiring integration with existing development workflows and tools

Discourse videos

Why We Chose The Discourse Platform For Our Forums

More videos:

  • Review - Why Discourse is the Best Forum Software Out There (No, Really) | Location Rebel
  • Review - A Grammar Review for Discourse Analysis

Ably videos

How to build a collaborative environment around your product

More videos:

  • Demo - How to build an avatar stack with Ably Spaces
  • Demo - Ably 101: Serverless WebSockets at scale

Category Popularity

0-100% (relative to Discourse and Ably)
Forums
100 100%
0% 0
Developer Tools
0 0%
100% 100
Forums And Forum Software
Realtime Backend / API
0 0%
100% 100

User comments

Share your experience with using Discourse and Ably. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare Discourse and Ably

Discourse Reviews

20 Telegram Alternatives to Chat With in 2024
Discourse is a basic forum function that could be an alternative to Telegram if you want to stick to text discussions. It's pretty analog, missing both video and livestreaming tools. Instead, Discourse is a basic community that lets you organize discussions--it feels a bit like having your own reddit or Quora.
18 Best Discord Alternatives 2020 | Expert Reviews
Discourse comes in a couple of flavours. You can self-host it yourself in which case the software is free, and you simply need to sign up for server space, or you can pay Discourse for a hosted-for-you option, though self-hosting is a lot cheaper the premium option takes care of the technical side.
IndieHackers: Best forum software
I used Flarum when trying to get a community set up for my product (ended up abandoning it to revisit when we have a larger customer base). It worked fairly well and I enjoyed it but it's definitely beta and unless you're fairly tech savvy it's not quite worth the setup / maintenance. Lots of config changes, crashes, huge issues with plugins, and some features missing. I'd...

Ably Reviews

We have no reviews of Ably yet.
Be the first one to post

Social recommendations and mentions

Ably might be a bit more popular than Discourse. We know about 26 links to it since March 2021 and only 23 links to Discourse. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Discourse mentions (23)

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Ably mentions (26)

  • AWS us-east-1 outage: How Ablyโ€™s multi-region architecture held up
    During this weekโ€™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 additional round trip latency was limited to 12ms, which is below the typical variance in any client-to-endpoint connection, and well below our 40โ€“50ms global median; this is... - Source: dev.to / 9 months ago
  • Real-Time Sync Alternatives: Vaultrice vs. localStorage, DIY, Firebase, Pusher
    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 / 11 months ago
  • CometChat Alternatives โ€“ Comparing the Top 10 Competitors
    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 broader use cases like live dashboards, GPS tracking, and collaborative tools. - Source: dev.to / about 1 year ago
  • Real-Time Authorization in a Chat Application with Permit.io and WebSockets
    For our web socket-based application, weโ€™ll be using Next.js and Ably, a service that allows us to easily integrate and manage real-time capabilities in our apps powered by web socket. - Source: dev.to / over 1 year ago
  • Curiosity: Using Ably.io Realtime Messaging as a Lightweight Database
    Ably offers various solutions for developers, with their most popular being realtime messaging based on the pub/sub model. When you publish a message to a channel, all devices connected to that channel receive it instantly. - Source: dev.to / over 1 year ago
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What are some alternatives?

When comparing Discourse and Ably, you can also consider the following products

Flarum - Flarum is the next-generation forum software that makes online discussion fun. It's simple, fast, and free.

Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.

phpBB - Raspberry Pi. The Raspberry Pi is a cheap, credit-card sized computer. The official website uses phpBB for their discussion forums. phpBB is not affiliated with nor responsible for any of the sites listed on the showcase.

Socket.io - Realtime application framework (Node.JS server)

Vanilla Forums - Build an engaging community forum using Vanilla's modern cloud forum software.

PubNub - 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.