Mastodon VS Discourse

Compare Mastodon vs Discourse and see what are their differences.

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Mastodon Discourse
1,225 198
45,874 40,422
0.8% 1.2%
10.0 10.0
7 days ago 7 days ago
Ruby Ruby
GNU Affero General Public License v3.0 GNU General Public License v3.0 only
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

Mastodon

Posts with mentions or reviews of Mastodon. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-03-15.
  • Alt Text box can't fit one screenshot of text
    1 project | news.ycombinator.com | 21 Apr 2024
    Interestingly there is some discussion for Mastodon with people asking the limit to be smaller, which raises the question as to the purpose of alt text, and how to properly handle larger text lengths in screen reader programs.

    https://github.com/mastodon/mastodon/issues/12268

  • Open source at Fastly is getting opener
    10 projects | dev.to | 15 Mar 2024
    Through the Fast Forward program, we give free services and support to open source projects and the nonprofits that support them. We support many of the world’s top programming languages (like Python, Rust, Ruby, and the wonderful Scratch), foundational technologies (cURL, the Linux kernel, Kubernetes, OpenStreetMap), and projects that make the internet better and more fun for everyone (Inkscape, Mastodon, Electronic Frontier Foundation, Terms of Service; Didn’t Read).
  • Bluesky announces data federation for self hosters
    7 projects | news.ycombinator.com | 22 Feb 2024
    Mastodon DMs have absolutely no privacy: https://github.com/mastodon/mastodon/issues/18079

    For a decentralized protocol doing things right is much more important than doing things fast, it is very difficult (and in a lot of cases impossible) to break backwards compatibility.

  • External OpenID Connect Account Takeover by Email Change
    1 project | news.ycombinator.com | 15 Feb 2024
  • Ask HN: Best practice for posting links to large Mastodon threads?
    1 project | news.ycombinator.com | 9 Feb 2024
    Postmortem on what happened here: https://news.ycombinator.com/edit?id=39305884

    The v1 API of Mastodon limits the size of the tree that it will expand for users who are not logged into the server: https://github.com/mastodon/mastodon/blob/main/app/controllers/api/v1/statuses_controller.rb . I am guessing that this or some similar limit applies to threads being returned to unauthenticated users of the web UI. It just arbitrarily stops expanding the replies at some point, including the main thread from the OP.

    If a thread is truncated, users expect it to expand automatically and autoscroll when you hit the bottom. In my desktop browser, that does not occur, and there is no indication that there is more to see. This is the situation of the web interface as of Mastodon version 4.2.5.

    The issue is very sensitive to observer conditions. If you are logged into the server, the behavior is different. If you use a Mastodon app instead of the web, the behavior might be different. As the tree expands, the cutoffs become different. If you look at the thread on a different Mastodon server, the tree is different because every server has its own view of the Fediverse.

    HN needs a best practice for linking to Mastodon threads in a way that provides a consistent experience to HN readers. The average Mastodon server would be crushed by hundreds of HN readers grabbing the entirety of a huge thread all at once, so this might involve some thread-unroll-and-cache service. I tried https://mastoreader.io/ but it did not solve the problem.

    Alternately, we push changes into the Mastodon web UI to warn users when they need to click to see more and assume that people will get used to the navigation.

    Suggestions?

  • CVE-2024-23832 Mastodon Vulnerability: Remote user impersonation and takeover
    2 projects | news.ycombinator.com | 1 Feb 2024
    Fixed in Mastodon v4.2.5 https://github.com/mastodon/mastodon/releases/tag/v4.2.5
  • Unity's Open-Source Double Standard: The Ban of VLC
    1 project | news.ycombinator.com | 12 Jan 2024
    >You can defeat the Affero clause by putting the software behind a proxy, for example

    Could someone elaborate on this? This is NOT my understanding of the license, and it seems absurd considering e.g. Mastodon is AGPL but the standard install requires a reverse proxy[1]. If using a proxy defeats Affero, why would the Mastodon team do this? Are they stupid?

    [1] https://github.com/mastodon/mastodon/blob/main/dist/nginx.co...

  • You Can't Follow Me
    7 projects | news.ycombinator.com | 11 Jan 2024
    Mastodon is free and open-source. Go ahead and add the flag:

    https://github.com/mastodon/mastodon/blob/main/CONTRIBUTING....

  • Change Referer value to something generic such as "urn:activitypub:Mastodon"
    1 project | news.ycombinator.com | 10 Jan 2024
  • Welcome to the public domain, Steamboat Willie
    1 project | news.ycombinator.com | 1 Jan 2024
    Didn't say anything about freedom of speech. And again: I'm not the one to talk to. I don't have any strong feelings on the topic, but if you do, you should take it somewhere that people who can do something about it will see.

    I tried to find an existing discussion to help get you started, but couldn't. You can start one here: https://github.com/mastodon/mastodon/issues

    It's easy to sit here on Hacker News and say "they should just..."

    Coming up with a standard for an international project will be a long, noisy discussion. You'll tread on internecine conflicts you had no idea about. Old wounds from past related discussions will come out. People will soapbox.

    This is why I have no interest in discussing it. It probably won't go anywhere in a place where it actually could. It definitely won't here.

Discourse

Posts with mentions or reviews of Discourse. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-04-01.
  • Discord to Start Showing Ads for Gamers to Boost Revenue
    3 projects | news.ycombinator.com | 1 Apr 2024
    > Tell me another platform that is free, has realtime chat, voice and video, has stable service, allows sharing images and other media, with good ownership management... and is open source.

    Mattermost: https://mattermost.com/

    Rocket.Chat: https://www.rocket.chat/

    Nextcloud Talk: https://nextcloud.com/talk/

    Self hosting and some assembly required. I've run all of them on cheap VPSes to explore a Slack/Discord replacement, neither was mindblowing but all of them seemed okay (Nextcloud's offering was rather barebones, though).

    Audio and video support varies because getting those right is challenging, at best you'd just integrate with something like Jitsi, that one's actually pretty good for meetings and such: https://jitsi.org/ and has a cloud version too: https://meet.jit.si/ (yet people still go for Zoom and it's odd UI/UX choices)

    I actually rather liked forums back in the day, but I guess nobody will be setting up that many phpBB instances in the current year, though projects like Discourse also seem promising: https://www.discourse.org/

    I don't think many people at all will be leaving Discord, due to how entrenched the platform is (network effect): if you want people to help you with what you're working on, you go where they are, not vice versa.

  • Introducing the new Godot Forum
    2 projects | /r/godot | 8 Dec 2023
    Discourse is also open source https://github.com/discourse/discourse
  • My views on NeoHaskell
    3 projects | news.ycombinator.com | 3 Oct 2023
    I disagree. Lots of communities, e.g. Julia or Stan, use https://www.discourse.org. Discourse is GPL2 and emulates old Internet forums.
  • Is BuddyPress still a viable option to create a community-based website? Or should I be looking at other options?
    1 project | /r/Wordpress | 20 Sep 2023
    Why isn't Discourse being listed here for forum software? It's open source and designed for modern communities. https://www.discourse.org/
  • Don't Use Discord as a Forum
    11 projects | news.ycombinator.com | 13 Sep 2023
    Discourse is open source: https://github.com/discourse/discourse

    You could hook it up to a mail provider and can host it yourself for less if you wanted.

  • Why does the mastodon.social's privacy policy template link to Discourse's GitHub?
    1 project | /r/Mastodon | 7 Sep 2023
    I was reading mastodon.social's privacy policy, and noticed that the link at the bottom to Discourse's privacy policy links to Discourse's Github. I'm surprised because I thought it would be the privacy policy on discourse.org.
  • So Long, Twitter and Reddit
    4 projects | news.ycombinator.com | 23 Aug 2023
  • Think Twice Before You Use Discord for Your Community
    1 project | news.ycombinator.com | 4 Aug 2023
    Yep. Any platform run by someone else can kick you off for any reason, and time.

    You should consider looking into running discourse, which is a modernized forum software: https://github.com/discourse/discourse

    Nice examples of what it looks like:

    https://discourse.nixos.org/

    https://forum.level1techs.com/

    As a bonus, the content and community will be accessible to search engines, so it’s easy to find answers to problems that gave been already been addressed.

    In general, consider combining the two, where discourse is the anchor of the community that can’t be yanked out from under you, while discord is the one that sells the data from your players in exchange for free voice and text chat.

    It’s also possible to enable logging in with discord credentials https://meta.discourse.org/t/configure-discord-login-for-dis...

    As well as pushing content from discord to discourse so it’s not hidden and losable: https://blog.discourse.org/2021/05/discord-and-discourse-bet...

  • Is there interest in a specialized forum for gifted people?
    1 project | /r/Gifted | 10 Jul 2023
    So, I'm asking myself if you would be interested in joining a good old-fashioned forum (probably using discourse as software) in order to communicate with other gifted people around the globe. And please add any ideas you might have for a platform like this.
  • Twitter now requires an account to view tweets
    11 projects | news.ycombinator.com | 30 Jun 2023

What are some alternatives?

When comparing Mastodon and Discourse you can also consider the following projects:

diaspora* - A privacy-aware, distributed, open source social network.

Forem - The best Rails 3 and Rails 4 forum engine. Ever.

Misskey - 🌎 An interplanetary microblogging platform 🚀

nodeBB - Node.js based forum software built for the modern web

Lemmy - 🐀 A link aggregator and forum for the fediverse

Flarum - Simple forum software for building great communities.

Friendica - Friendica Communications Platform

phpBB - phpBB Development: phpBB is a popular open-source bulletin board written in PHP. This repository also contains the history of version 2.

GNU social - GNU social is social communication software for both public and private communications.

FluxBB - FluxBB is a fast, light, user-friendly forum application for your website.

nostr - a truly censorship-resistant alternative to Twitter that has a chance of working

Talkyard - A community discussion platform: Brings together the main features from StackOverflow, Slack, Discourse, Reddit, and Disqus blog comments.