Software Alternatives, Accelerators & Startups

Ably VS Nextcloud

Compare Ably VS Nextcloud and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

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.

Nextcloud logo Nextcloud

With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.
  • 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.

  • Nextcloud Landing page
    Landing page //
    2023-07-23

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

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.

Nextcloud features and specs

  • Open Source
    Nextcloud is open source, meaning the source code is available for anyone to inspect, modify, and enhance. This promotes transparency and community contributions.
  • Privacy and Control
    Users have complete control over their data since Nextcloud can be self-hosted. This mitigates privacy concerns associated with third-party cloud services.
  • Extensibility
    Nextcloud offers a wide range of apps and plugins that can extend its functionality, such as calendar, contacts, office, and media apps.
  • Collaboration Tools
    Nextcloud includes integrated solutions for file sharing, collaborative editing, and communication, which are useful for both personal and enterprise use.
  • Security Features
    Nextcloud provides robust security features like end-to-end encryption, two-factor authentication, and regular security updates.

Possible disadvantages of Nextcloud

  • Setup Complexity
    Setting up and maintaining a Nextcloud instance can be technically challenging, especially for users without a background in server management.
  • Performance Issues
    Depending on the hardware and configuration, Nextcloud might experience performance issues, particularly under heavy load or with extensive use of additional apps.
  • Resource Intensive
    Nextcloud can be resource-intensive in terms of CPU, memory, and storage, especially when additional features and apps are enabled.
  • Dependency Management
    Managing dependencies and ensuring compatibility with other installed software can be cumbersome, requiring regular updates and maintenance.
  • Limited Official Support
    While there is a strong community, official support can be limited or costly, which may be a disadvantage for enterprise environments requiring reliable assistance.

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

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

Nextcloud videos

Here are 5 Reasons I โค๏ธ Nextcloud | TLG

More videos:

  • Review - Pros and Cons of NextCloud
  • Review - Nextcloud is AWESOME... but?

Category Popularity

0-100% (relative to Ably and Nextcloud)
Developer Tools
100 100%
0% 0
Cloud Storage
0 0%
100% 100
Realtime Backend / API
100 100%
0% 0
File Sharing
0 0%
100% 100

User comments

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Reviews

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

Ably Reviews

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

Nextcloud Reviews

Top 10 Best Enterprise Instant Messaging Software [2026]
Nextcloud Talk is one of the best self-hosted on-premises audio/video and chat communication services. It provides a cutting-edge on-premises content collaboration platform with real-time voice, video chat, and groupware on mobile, desktop, and the web.
Source: www.contus.com
12 Best Self-hosted Chat Platforms For Team Communication
Below is a curated list of the 12 best self-hosted messaging apps like MirrorFly, Mattermost, Zulio, Nextcloud, and Rocket.chat that offer unique collaboration features and lets you take full control of your data.
Best Cloud Storage Services for Linux
Another general tip is โ€“ if you can, self-host your data. Use Nextcloud and/or Cryptomator. You will have the most control over your data this way. Youโ€™ll also have the most features, tools, extensions, integrations, etc. with Nextcloud. You wonโ€™t be limited to some features based on the plan youโ€™re paying for. However, thereโ€™s a learning curve for this. Youโ€™ll need to know...
Source: linuxstans.com
20+ Picasa Alternatives And Best Similar Apps Like Picasa 2022
Nextcloud is far more than a photo hosting application and the best Picasa alternative, but its photo management stands out thanks to phone apps you can use for opt-in synchronization. Instead of sending your pictures to Google Photos or Apple cloud storage, you can send them to your Nextcloud install.
6 cPanel Alternatives
Nextcloud was forked from ownCloud in 2016. They share mostly the same native features and workflow. However, Nextcloud is more popular for a few notable reasons.

Social recommendations and mentions

Based on our record, Nextcloud seems to be a lot more popular than Ably. While we know about 304 links to Nextcloud, we've tracked only 26 mentions of Ably. 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.

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 / 10 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 / 12 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
View more

Nextcloud mentions (304)

  • My personal journey learning about prompt-injections and how that influences my use of AI (agents)
    So what about having a stricter separation between data and instructions? Let's look at that using, for example, the Nextcloud AI assistant. Nextcloud-Hub is a self-hosted file storage platform with collaboration tools. It has also an AI Assistant App and guess what, it can summarize text (and much more). I've set it all up with the OpenAI API using the gpt-5-chat-latest model. When I click on any file and... - Source: dev.to / 4 months ago
  • Nextcloud vs ownCloud: Which File Server to Use?
    Nextcloud and ownCloud share a common ancestor. In 2016, Nextcloud's founder (Frank Karlitschek, who also founded ownCloud) forked ownCloud to create Nextcloud, taking most of the developer community with him. Since then, the projects have diverged significantly. - Source: dev.to / 5 months ago
  • Ask HN: What's your favorite self-hosted application?
    Previously Nextcloud [1], currently bewCloud [2]. Full disclosure: I created bewCloud as a simpler, faster, and modern alternative to Nextcloud. They've allowed me to get my Files (including Photos), Calendars, Contacts, and RSS feeds off of Big Tech. [1] https://nextcloud.com [2] https://bewcloud.com. - Source: Hacker News / 7 months ago
  • Apple has locked my Apple ID, and I have no recourse. A plea for help
    I run a nextcloud [1] instance and use it for contacts, calendars, and reminders 1. https://nextcloud.com. - Source: Hacker News / 8 months ago
  • Europe just dropped a cloud rulebook (and itโ€™s actually good)
    This is the same energy behind projects like Gaia-X, Nextcloud, and the open-source revival happening across the continent. Itโ€™s not nostalgia for on-prem servers itโ€™s a philosophy: control what you depend on. - Source: dev.to / 9 months ago
View more

What are some alternatives?

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

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

Dropbox - Online Sync and File Sharing

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

Google Drive - Access and sync your files anywhere

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.

Mega - Secure File Storage and collaboration