Software Alternatives, Accelerators & Startups

Discourse VS Mastodon

Compare Discourse VS Mastodon and see what are their differences

Discourse logo Discourse

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

Mastodon logo Mastodon

Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome!
  • Discourse Landing page
    Landing page //
    2023-06-13
  • Mastodon Landing page
    Landing page //
    2023-10-20

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.

Mastodon features and specs

  • Decentralization
    Mastodon is based on a federated network, meaning it's composed of multiple servers (or instances) that communicate with each other. This reduces the risk of a single point of failure and offers more control over data.
  • User Control
    Users can choose from various instances with different rules and themes, offering more control over the kind of community they want to be part of.
  • Ad-Free
    Mastodon does not rely on advertising for revenue, which means users can enjoy a social media experience without intrusive ads.
  • Open Source
    Mastodon is open-source software, allowing for greater transparency and the opportunity for the community to contribute to its development.
  • Privacy Features
    Mastodon offers comprehensive privacy features, including granular post visibility options and the ability to block and report users.

Possible disadvantages of Mastodon

  • User Base Fragmentation
    Because Mastodon is decentralized, users are spread out over many instances, leading to smaller, fragmented communities that might reduce the reach and variety of interactions.
  • Complexity
    New users might find the federated nature of Mastodon confusing, as they need to choose an instance and understand how different instances interact.
  • Scalability Issues
    Some instances may experience performance issues or downtime, especially smaller ones with limited resources, affecting reliability.
  • Content Moderation
    Each instance sets its own moderation policies, which could lead to inconsistencies in how harassment, spam, and inappropriate content are handled.
  • Feature Parity
    Mastodon might lack some features available on more mainstream social networks, such as advanced search capabilities or integrated multimedia 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

Mastodon videos

Mastodon - Emperor of Sand ALBUM REVIEW

More videos:

  • Review - MASTODON Emperor of Sand Album Review | Overkill Reviews
  • Review - A Closer Look at Mastodon, The Twitter Killer!
  • Review - Mastodon App: The Social Media Alternative to Twitter? | Tech News Briefing Podcast | WSJ
  • Review - 5 Reasons to DITCH TWITTER For Mastodon!
  • Review - No, Mastodon Will Not Replace Twitter

Category Popularity

0-100% (relative to Discourse and Mastodon)
Forums And Forum Software
Social Networks
0 0%
100% 100
Forums
100 100%
0% 0
Decentralized Social Network

User comments

Share your experience with using Discourse and Mastodon. 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 Mastodon

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...

Mastodon Reviews

  1. Coralie Davis
    Account Suspension Without any Proper Reason

    The social networking sites that will ban your account without mentioning any reason.

    👍 Pros:    Worst support

Top 12 Alternative Social Media Platform to Consider: An Overview
Imagine a Twitter fuelled by independent communities, not a tech giant. That's Mastodon. It's not one platform, but a network of servers, each with its own vibe, from artists and journalists to cat lovers and techies. You choose your server, connect across them, and post "toots" with longer text, images, and videos. Think open-source Twitter with more freedom and...
The 10 Best Twitter Alternatives if You’re Thinking of Quitting X
However, the segmented nature of its network means it can take time to find and build your niche, and it won’t have the immediate, global reach of Twitter. Regarding features, Mastodon mirrors Twitter with timelines and @mentions, but it’s ad-free.
4 Twitter alternatives for brands considering leaving Twitter in 2024
You won't find an algorithm on Mastodon. Instead, it shows users posts that the people they follow repost or comment on. This dynamic means it's really important to engage with your community and build organic reach.
Source: zapier.com
15 Best Reddit Alternatives in 2024: Find Your New Online Community
The best overall alternative depends on your specific needs. Discord offers versatile communication options, while Mastodon provides a decentralized approach. For a more Reddit-like experience, Lemmy or Voat might be suitable choices.
10+ Top Facebook Alternatives That Value Your Privacy in 2024
It is ad-free and the system does not track you or collect your data. Only servers that agree to the “Mastodon Server Covenant” (a commitment to integrity) are listed on the main site.

Social recommendations and mentions

Based on our record, Mastodon seems to be a lot more popular than Discourse. While we know about 732 links to Mastodon, we've tracked only 23 mentions of 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)

  • Qilin: A Starter Project Template For Every Open Source Project
    GitHub Discussions can also be a great place for support as long as these are regularly monitored. Another option along the same lines is Discourse and the Open Source Matrix which is used by quite a few Open Source and community-based projects. - Source: dev.to / about 1 year ago
  • Ask HN: How to run an old-school mailing list?
    A lot of communities use [Discourse ](https://discourse.org). [LPSF](https://forum lpsf.org) migrated to it when Yahoo Groups was discontinued. Some of the advantages are that it's open source, self-hostable, and can be configured to work as both a traditional mailing list and modern forum. - Source: Hacker News / about 1 year ago
  • My Fediverse use – I'm hosting everything myself – PeerTube, Mastodon and Lemmy
    More like https://discourse.org/. You can run it yourself, but I can also just have them ding a credit card every month and not think about it again (I do this for a community). - Source: Hacker News / over 1 year ago
  • Reddit faces content quality concerns after its Great Mod Purge
    Discourse perhaps? I've seen it in use in a few places; it has a modern look and feel to it at least. https://discourse.org/. - Source: Hacker News / almost 2 years ago
  • So Long, Twitter and Reddit
    I fully agree with you see my comment here[0] -- I think you may have misread my comment, it says "Discourse" (as in the forum software[1]), not Discord. [0]: https://news.ycombinator.com/item?id=37245220. - Source: Hacker News / almost 2 years ago
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Mastodon mentions (732)

  • Installing *BSD in 2025 part 3 – A critical look at NetBSD's installer
    For completeness, as I pointed out on the FediVerse: The article has things backwards when it comes to partition table schemes. It's the older firmwares that place the requirement on what partitioning scheme is used; not the newer ones. So the suggested change to one of the forms, as it stands, would be telling users the wrong thing. And Ed Maste has confirmed that FreeBSD is quite happy to accept... - Source: Hacker News / 2 days ago
  • Electric buses don't like the cold, study finds
    Electric buses failed in Tompkins County ultimately. Just after I got this pic [1] https://mastodon.social/@UP8/111970855110384330 they had one fall apart when they jacked it up on the lift and took them out of service. It wasn't a problem with the "electric" part, it was a problem with the "bus" not being structurally sound. Buses are tougher than you might think. In the 1970s NYC had at least two bus... - Source: Hacker News / 8 days ago
  • Calendars, Contacts and Files in Stalwart
    I understand your perspective, many open source communities are built on transparency, and it's natural to want to know the people behind a project. That said, I personally value privacy highly, which is actually one of the main reasons I started Stalwart Mail Server. I don't maintain a personal presence on LinkedIn or other social media platforms, not because I'm trying to be anonymous, but because I prefer to... - Source: Hacker News / 10 days ago
  • Mozilla shutdown Pocket on July 8, 2025
    I built Obsidian Web Clipper to replace my read-it-later app and save everything to local markdown files. Now that Obsidian Bases it makes for a very nice web archival tool and reading experience. Here's a video: https://mastodon.social/@kepano/114553164915046938. - Source: Hacker News / 14 days ago
  • The White House, LLC
    > It’s best to understand that fascists see hypocrisy as a virtue. It’s how they signal that the things they are doing to people were never meant to be equally applied. > It’s not an inconsistency. It’s very consistent to the only true fascist value, which is domination. > It’s very important to understand, fascists don’t just see hypocrisy as a necessary evil or an unintended side-effect. >... - Source: Hacker News / 18 days ago
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What are some alternatives?

When comparing Discourse and Mastodon, 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.

X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.

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.

Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.

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

Gab.ai - Gab is an ad-free social network dedicated to free speech.