Software Alternatives, Accelerators & Startups

Liveblocks VS FastComments

Compare Liveblocks VS FastComments and see what are their differences

Liveblocks logo Liveblocks

Build amazing realโ€‘time collaborative products

FastComments logo FastComments

A very fast, feature-full, and privacy-focused comment service for handling discussions on the internet. At 4.6 kB with no dependencies, it's the fastest comment service around.
  • Liveblocks Landing page
    Landing page //
    2023-05-08
  • FastComments Landing page
    Landing page //
    2023-05-08

Liveblocks features and specs

  • Real-time Collaboration
    Liveblocks enables real-time collaboration by synchronizing data across different users, which allows multiple people to work together seamlessly.
  • Scalability
    The service is designed to scale, making it suitable for small projects as well as large applications with a high number of simultaneous users.
  • Cross-platform Support
    Liveblocks can be integrated into web and mobile applications, providing flexibility in terms of where the real-time features can be used.
  • Developer-friendly API
    The API is straightforward and well-documented, which makes it easy for developers to integrate real-time capabilities into their applications.
  • Customization
    Liveblocks offers customization options, allowing developers to tailor the experience to meet the specific needs of their applications.

Possible disadvantages of Liveblocks

  • Complexity for Beginners
    Developers new to real-time frameworks might find the integration process complex and require a learning curve.
  • Cost
    For larger applications or those that need advanced features, the cost of using Liveblocks might be a concern, especially for startups or individual developers.
  • Dependency on Internet Connection
    Since Liveblocks is a real-time service, a stable internet connection is critical for optimal performance. Poor connectivity can impact the user experience.
  • Limited Offline Capabilities
    The platform has limited functionalities when it comes to offline usage, which might pose a challenge for use cases requiring offline access.
  • Integration Complexity with Legacy Systems
    Integrating Liveblocks with older or legacy systems could present technical challenges and require additional development work.

FastComments features and specs

  • Real-time Commenting
    FastComments offers real-time commenting features, allowing users to engage in dynamic conversations without needing to refresh the page.
  • Spam Filtering
    The platform includes robust spam filtering capabilities to maintain the quality and relevance of discussions.
  • Customizability
    FastComments provides various customization options, enabling website owners to tailor the commenting system's appearance and functionalities to match their site's design and requirements.
  • User Engagement
    Features like notifications, upvotes, and social integrations enhance user engagement by fostering interactive and community-driven discussions.
  • Embedding Options
    It allows for easy embedding of the commenting system on any site, providing flexibility and ease of use.
  • Moderation Tools
    The platform includes comprehensive moderation tools that empower admins to manage comments efficiently and maintain community standards.

Possible disadvantages of FastComments

  • Cost
    While it offers free plans, some advanced features and higher usage limits are behind a paywall, which might not be economical for all users.
  • Learning Curve
    The wide array of customization and features could present a steep learning curve for new users not familiar with comment management systems.
  • Dependency on External Service
    Relying on a third-party service may introduce risk, as changes or outages in FastComments can impact the commenting system on your site.
  • Data Privacy Concerns
    Users and site owners may have concerns regarding data privacy and how user comments and data are handled by a third-party service.
  • Limited Offline Support
    Since it is primarily an online service, there may be limitations in accessing or managing comments when offline.

Liveblocks videos

Liveblocks & Livekit - Console DevTools Podcast S1E4

FastComments videos

No FastComments videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Liveblocks and FastComments)
Developer Tools
100 100%
0% 0
Social Networks
0 0%
100% 100
Project Management
69 69%
31% 31
Commenting Service
0 0%
100% 100

User comments

Share your experience with using Liveblocks and FastComments. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Liveblocks should be more popular than FastComments. It has been mentiond 20 times since March 2021. 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.

Liveblocks mentions (20)

  • Multi-player Mode is Everywhere, Even in Dev Tools
    Of course, you donโ€™t have to code this functionality from scratch! You can also look at open-source software like Yjs, text-crdt, Automerge and so many more. Alternatively, you can check out tools like Liveblocks, Ably, etc. Which enable collaborative multi-player features. - Source: dev.to / over 1 year ago
  • How to secure Liveblocks Rooms with Clerk in Next.js
    Liveblocks is a platform that enables developers to easily integrate collaborative features and custom real-time functionality within their applications. - Source: dev.to / over 1 year ago
  • How to Build a Collaborative Editor with Next.js and Liveblocks
    // app/api/liveblocks-auth/route.ts Import { Liveblocks } from "@liveblocks/node"; Import { NextRequest } from "next/server"; Const liveblocks = new Liveblocks({ secret: process.env.LIVEBLOCKS_SECRET_KEY!, }); Export async function POST(request: NextRequest) { const userId = Math.floor(Math.random() * 10) % USER_INFO.length; const roomId = request.nextUrl.searchParams.get("roomId"); const session =... - Source: dev.to / almost 2 years ago
  • Edit This Blog Post
    Absolutely! The real complexity comes from conflict resolution. If someone edits the top, and someone else edits the bottom, which version do you go with? What if they're editing the same area? Entire companies exist to provide elegant solutions to this[0], so it's no simple task. 0: https://liveblocks.io/. - Source: Hacker News / over 2 years ago
  • Show HN: I created a Chrome extension to add realtime features to any website
    I can imagine, browser extensions are a pain in the butt. Are you planning to open source the code? Did you build everything by yourself or on top of https://liveblocks.io/? - Source: Hacker News / almost 3 years ago
View more

FastComments mentions (7)

  • Ask HN: What Are You Working On? (April 2026)
    I'm working on Watch.ly - a remote human-in-the-loop networking and FS sandbox for AI agents like openclaw: https://watch.ly/ Also this week launching https://dirtforever.net/ which is an open alternative to RaceNet Clubs for Dirt Rally 2, since EA is shutting that down. I'm also expanding the SDK and plugin space for https://fastcomments.com and am planning on adding AI agents because everyone expects that now :)... - Source: Hacker News / 4 months ago
  • Ask HN: What are you working on (August 2024)?
    Hello! This year I've been working on building an integrated registration and live timing platform [0] for my local organizers in CA, but it is spreading. Very fun/rewarding project. I hope to launch my own cellular-based timing hardware this year which will integrate into the timing platform (right now I've reverse engineered and now support 5 different chronometers, I never knew cross platform serial port comms... - Source: Hacker News / almost 2 years ago
  • Commenting system for Hugo
    Another one I can recommend enthusiastically but forgot to mention before, is a paid service called FastComments (https://fastcomments.com/). Great, non-heavy code with a super-helpful developer. Source: about 4 years ago
  • Made this NPM package that saves you the trouble of making a tedious comments section!
    With a quick search, I found https://fastcomments.com/, which does provide comments storage. What does your library provide that this service doesn't? Source: about 4 years ago
  • How do you collect feedback for your blog posts? (for technical blogs, documentation, how-to's, etc.)
    I just started using https://fastcomments.com/. I am still in the free trial but it seems pretty good so far. Source: over 5 years ago
View more

What are some alternatives?

When comparing Liveblocks and FastComments, you can also consider the following products

Tip Tap - Select a mode, tap on the screen!

DISQUS - Disqus is a global comment system that improves discussion on websites and connects conversations across the web.

Hyperbeam - A better way to watch together online

Commento - A fast, bloat-free comments system to foster discussion on your website

Ably - The realtime platform that just works. We power more WebSocket connections than any other pub/sub platform, serving over 2 billion devices monthly.

giscus - A comments system powered by GitHub Discussions. Let visitors leave comments and reactions on your website via GitHub!