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{{Cleanup |text=This article is too long and detailed for a beginners guide and "What is" page. Some of it should probably be moved to [[Hubzilla]].}}
{{Cleanup |text=This article was recently merged from two articles. Some text is probably duplicated.}}
{{Infobox |title=Hubzilla |website=hubzilla.org |website2= |instance= |instance2= |mastohandle= |mastoinstance=}}
Hubzilla is a CMS platform and [[Special:MyLanguage/Fediverse|Fediverse]]'s replacement for Facebook, Dropbox, Google Calendar and much more.


Hubzilla is a very powerful "jack-of-all-trades" in the {{Internal link |target=Fediverse |link-name=Fediverse}}, often described as a decentralised social content management system, but with social networking, microblogging and cloud features.
Hubzilla is a very powerful "jack-of-all-trades" in the {{Internal link |target=Fediverse |link-name=Fediverse}}, often described as a decentralised social content management system, but with social networking, microblogging and cloud features.


It evolved from a Facebook alternative and still offers Facebook-like social networking. On top of that, it can be a replacement for services like Dropbox, Google Cloud Storage, Google Calendar, Google Contacts and many others.
'''Hubzilla''' (formerly known as '''Redmatrix''') is a modular webserver based operating system which includes technologies for publishing, social media, file sharing, photo sharing, chat and more, including the ability to develop custom modules. These services connect across server and administrative boundaries through the communication protocol Zot, providing decentralized and nomadic identity within the Zot network, while message federation is supported over Zot, [[Special:MyLanguage/ActivityPub|ActivityPub]], [[Special:MyLanguage/OStatus|OStatus]] and the [[Special:MyLanguage/diaspora*|diaspora*]] protocol, making Hubzilla interoperable with most distributed social networks and the [[Special:MyLanguage/Fediverse|Fediverse]].


<!-- From here on, the (streams) article will be very similar. If you edit one, check if the same part exists on the other, and edit it, too. -->
<!-- From here on, the (streams) article will be very similar. If you edit one, check if the same part exists on the other, and edit it, too. -->


== What does Hubzilla feel like? ==
In 2020 the project was recognized by the NLnet foundation with a NGI-Zero Discovery grant to support its future development, highlighting the contribution of Hubzilla in providing a decentralized identity and authentication layer to the Web.


=== Overall feel ===
== History ==
Hubzilla (formerly ''Friendica Red'', ''Redmatrix'', ''Hubmaker'') came into existence on May 12th, 2012, as an effort by the founder and former lead of the [[Special:MyLanguage/Friendica|Friendica]] project, Mike Macgirvin, to experiment with decentralized approaches to managing user identities and access control on the Web.


With its immense wealth of features, Hubzilla is not exactly for Fediverse novices. It doesn't look or feel like any of the several microblogging projects in the Fediverse, nor does it mimic the look and feel of any one particular commercial platform.
On July 12th, 2011, the protocol Zot was named for the first time.On May 12th, 2012, the initial commit of the project was made. Blogging features, WebDAV, CalDAV and CardDAV, and also a range of content management tools were added.On May 3rd, 2015, the platform software was renamed Hubzilla. On December 4th, 2015, Hubzilla 1.0 was officially launched.
== Features ==
Hubzilla is a decentralized communication and publishing platform. A server running Hubzilla, called a ''hub'', interoperates with other hubs primarily through the Zot protocol, yet may also be configured to function in isolation. Some notable features of Hubzilla are:


The most similar Fediverse project comes from {{Internal link |target=What is (streams)? |link-name=the Streams repository}}, followed by {{Internal link |target=What is Forte? |link-name=Forte}} and {{Internal link |target=Friendica |link-name=Friendica}}, also because Hubzilla was forked from a Friendica fork. None of them offers quite as many features as Hubzilla, though.
''Nomadic identities - a'' member of a hub may create any number of web identities, called ''channels''. The Zot protocol allows channels to be unbound from the hub where they are created. They may be ported to a different hub, but also cloned, in which case the channel's identity and data will exist simultaneously in more than one location. This provides resilience to channels should a hub shut down or become unavailable.


Hubzilla's Web interface is extensively themeable, much like wholly different Web interfaces for {{Internal link |target=Mastodon |link-name=Mastodon}}, but as of now, there is only one official theme, Redbasic. It can be extensively configured, though. It also has a dark mode that can be activated manually.
Hubzilla's Web interface is extensively themeable, much like wholly different Web interfaces for {{Internal link |target=Mastodon |link-name=Mastodon}}, but as of now, there is only one official theme, Redbasic. It can be extensively configured, though. It also has a dark mode that can be activated manually.


There is only one mobile app that works with Hubzilla: The third-party app Nomad is only available for Android and only from F-Droid or as an APK download. Also, it has not been maintained since October 2019. There is no Hubzilla app on the Google Play Store, and there is no Hubzilla app for iOS at all. See also under [[#External links|external links]].
''Access control'' - any item published by a channel, be it a post, photo or web page, has its own access control list determining which local or remote identities can access it.


{{Internal link |target=Mastodon |link-name=Mastodon}} apps don't work with Hubzilla.
{{Internal link |target=Mastodon |link-name=Mastodon}} apps don't work with Hubzilla.


=== Nomenclature ===
''Open Web Auth'' - OWA is a subset of the Zot protocol describing a method for a user agent, typically a web browser, to identify itself on behalf of a channel through what is called remote authentication. It allows hubs to provide or deny access to items and actions for identities residing in a different hub.


* instance = "hub"
''DAV'' - the WebDAV, CalDAV and CardDAV protocols are supported
* timeline = "stream"
* reply = "comment" (which is different from a post; see below)


=== Accounts ===
''Directory'' - a decentralized searchable directory of channels


On Hubzilla, your account is neither your identity nor where your posts and other data are stored. For this, Hubzilla has {{Internal link |target=What are channels on Hubzilla, (streams) and Forte? |link-name=channels}}. When you create a Hubzilla account, you're also asked to create a first channel.
''OpenID'' - Hubzilla functions as an OpenID provider, allowing users to log into OpenID-enabled sites with their Hubzilla channels.
== Organizational use ==
There is at least one documented large-scale use of Hubzilla beyond the typical personal, family or community communications platform. Peer reviewed publications in IEEE's International Symposium on Computer-Based Medical Systems, and BMC Health Services Research, describe the use of Redmatrix (today Hubzilla) as a tool for integrating and providing continuous care across the network of healthcare providers serving a neighborhood of 600'000 people in the city of São Paulo, Brazil.


You can add more channels on the same account anytime. This way, you can have multiple fully separate identities with only one login for them all. Each channel acts like a fully separate account on most other projects. Connections, posts, uploaded files, everything is individual per channel.
== Reception ==
An academic report published in 2015 says Hubzilla/Redmatrix "is currently most suited to be provided as an alternative to the current centralized social networks and [...] can be provided as a service by hosting providers. It has an efficient message  distribution  model, enhanced  privacy  features, and  provides  an  unique  feature named nomadic identities. [...] It is currently more mature than some of the other implementations and puts the user back in control of their data."


On top of that, Hubzilla kept Friendica's multiple profiles per account and optionally offers multiple profiles per channel. You can assign specific profiles to your connections and show them different sides and aspects of your identity.
Hubzilla was the only open-source social network solution whose implementation of privacy is considered "Extensive" in a 2015 peer-reviewed survey paper.


A channel can have several roles. It can be your personal social networking identity and/or your personal cloud storage, it can be a soapbox, it can be a moderated public or private forum/discussion group etc. There are several pre-defined channel roles, and customising the channel role is possible, too.
Hubzilla is mentioned on the [https://prism-break.org/en/all/#social-networks PRISM Break] catalogue of software for preventing global data surveillance.


Also, channels aren't bound to one hub. They also make {{Internal link |target=What is nomadic identity? |link-name=nomadic identity}} possible: You can clone any of your channels across two or more hubs, and these clones always stay in sync. It basically gives you real-time backup.
Hubzilla appears as a case and recommendation in the chapter "Tendências democráticas e autoritárias, arquiteturas distribuídas e centralizadas" (Democratic and authoritarian tendencies, distributed and centralized architectures) in the book "Democracia Digital, Comunicação e Política em Redes", organized by the Digital Culture Laboratory of the Federal University of Paraná, Brazil.


Channels can be exported in their entirety with an optional built-in "app", and they can be imported into accounts. This is not for moving channels which nomadic identity can handle much more easily and gracefully, but rather for local backups.
A peer-reviewed academic article (in Portuguese) from the conference of the Latin American Network for Studies of Surveillance, Technology and Society highlights the importance of features unique to Redmatrix/Hubzilla in the effort to recover privacy and decentralization of the Internet.
In connection with the failure of billions of Facebook accounts on October 2021, German public broadcaster ZDF recommended alternative decentralized services, including Hubzilla: "Instead of Facebook, Friendica, Hubzilla or Diaspora can be used."


Hubzilla supports single sign-on via {{Internal link |target=What is OpenWebAuth? |link-name=OpenWebAuth}}. If you're logged in, other instances with OpenWebAuth can recognise you and, for example, give you special permissions. OpenWebAuth even takes into account which one of your channels is currently active.
Landesanstalt für medien Nordrhein-Westfalen (broadcasting authority of the federal state in Germany) named Hubzilla as one of the services known for "ensuring high data protection and using open standards that make offerings interoperable"


=== Connections ===
The Digitalcourage association, in an article introducing the [[Special:MyLanguage/Fediverse|Fediverse]], recommends Hubzilla as a "social-media-cockpit" given its versatility.


Connections are generally either only out-going or mutual. There are no followers without following back. That's because all connections have to be confirmed, either automatically or manually, and when they're confirmed, they're also followed back.
== External links ==
* [http://hubzilla.org Hubzilla project site]
* [https://framagit.org/hubzilla/core Hubzilla Git repository]
* Articles about Hubzilla or mentioning Hubzilla
** in the German magazine "FIfF-Kommunikation":
*** 2018-07-26 (Gustav Wall): [https://www.fiff.de/publikationen/fiff-kommunikation/fk-2018/fk-2018-1/fk-2018-1-content/fk-1-18-p68.pdf Informationelle Selbstbestimmung und Datenautonomie mit Hubzilla]
** on boinboing.net:
*** 2018-07-18 [https://boingboing.net/2018/07/18/platform-independence.html Facebook Domination vs. Self-Determination]
** on medium.com:
*** 2018-04-22 (Andrew Manning): [https://medium.com/@tamanning/understanding-the-hubzilla-permissions-system-7d29cbc77b6e Understanding the Hubzilla permissions system]
*** 2018-04-14 (Waitman Gobble): [https://medium.com/@waitmang/its-like-totally-time-to-build-your-web-site-on-hubzilla-42f74f641b2f It’s like totally time to build your web site on Hubzilla]
*** 2018-04-02 (Ian) [https://medium.com/syntomic/the-post-facebook-social-network-d938748be527 The Post-Facebook Social Network]
*** 2018-02-28 (Sean Tilley): [https://medium.com/we-distribute/the-do-everything-system-an-in-depth-review-of-hubzilla-3-0-692204177d4e The Do-Everything System: An in-depth review of Hubzilla 3.0.]
*** 2017-10-10 (Sean Tilley): [https://medium.com/we-distribute/got-zot-mike-macgirvin-45287601ff19 Got Zot — Mike Macgirvin on building your own apps and protocols]
*** 2017-07-15 (Andrew Manning): [https://medium.com/@tamanning/nomadic-identity-brought-to-you-by-hubzilla-67eadce13c3b Nomadic identity, brought to you by Hubzilla]
** 2017-08-01, updated 2018-04-15: [https://start.hubzilla.org/page/admin/zot_intro&owt=4eff015ed66dbf9fc6a8ee512b6bd6a6&owt=8c3d015994bc77e625eb79a0a95aba6a Got Zot? An introduction to the protocol that powers Hubzilla]
** on zdnet.com:
*** 2017-04-17 (Eileen Brown): [https://www.zdnet.com/article/is-mastodon-the-new-social-media-star-or-imploding-black-hole/ Is Mastodon the new social media star, or imploding black hole?]
** on talkplus.org:
*** 2016: [http://www.talkplus.org/blog/2016/the-history-of-hubzilla/ The history of Hubzilla]
** on blog.novatrend.ch:
*** 2019-03-04: Hagen Graf: [https://blog.novatrend.ch/2019/03/04/soziales-content-managemant-mit-hubzilla/ Soziales Content management mit Hubzilla]
** on linuxaddictos.com:
*** 2019-12-11: David Naranjo: [https://www.linuxadictos.com/liberada-la-nueva-version-de-la-plataforma-de-comunicaciones-descentralizadas-hubzilla-4-6.html Liberada la nueva versión de la plataforma de comunicaciones descentralizadas Hubzilla 4.6]
* Podcast in German about Hubzilla on besser.demkontinuum.de (2018-06-22): [https://besser.demkontinuum.de/2018/06/hubzilla-s01e03/ Hubzilla #S01E03]
* Interview in German on greennetproject.org (Markus Kollotzek, 2017-11-21): [https://greennetproject.org/2017/11/21/interview-zum-thema-hubzilla/ Hubzilla – Interview zum dezentralen sozialen Netzwerk]
* Presentation video in Russian (Gustav Wall, 2017-06-24): [http://0x1.tv/Hubzilla_%E2%80%93_%D0%B2%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5,_%D0%B2%D0%BE%D0%B7%D0%BC%D0%BE%D0%B6%D0%BD%D0%BE%D1%81%D1%82%D0%B8,_Hubzilla-%D1%81%D0%BE%D0%BE%D0%B1%D1%89%D0%B5%D1%81%D1%82%D0%B2%D0%BE_(Gustav_Wall,_LVEE-2017) Hubzilla – введение, возможности, Hubzilla-сообщество (Gustav Wall, LVEE-2017)]
__________________________________


Each connection can be configured extensively. It can be assigned a contact role which is a customisable set of permissions. It can be added to one or several privacy groups which are similar to Friendica groups, {{Internal link |target=What is diaspora*? |link-name=diaspora*}} aspects, Google+ circles or Mastodon groups. It can be assigned a profile if multiple profiles are activated. It can be blocked, ignored, hidden or archived, and so forth.
This Text was first published on: https://en.wikipedia.org/wiki/Draft:Hubzilla. It is available under the Creative Commons Attribution-ShareAlike License 3.0;


Hubzilla itself is not based on ActivityPub. Support for ActivityPub is established through an "app" named ''Pubcrawl'' which is optional for both hubs and channels. At hub level, it is on by default. On channel level, however, it has to be manually activated ("installed") before connections to Mastodon & Co. can be created.
[[File:Hubzilla logo.svg|thumb|''Hubzilla logo''
{|
|Official homepage
|[https://hubzilla.org/ hubzilla.org]
|-
|Initial release
|03 March 2015 (first development release)<br />04 December 2015 (first stable release)
|-
|Repositories
|[https://framagit.org/hubzilla framagit.org/hubzilla]
|-
|Written in
|[https://en.wikipedia.org/wiki/PHP PHP]<br />[https://en.wikipedia.org/wiki/JavaScript JavaScript]
|-
|License
|[https://mit-license.org/ MIT License]
|-
|Official support channel
|[https://zotadel.net/channel/support Hubzilla Support Forum]
|}
]]


In addition, Hubzilla federates with diaspora*, the OStatus protocol and even e-mail. Channels can subscribe to RSS and Atom feeds, and they generate their own RSS feeds. Posts can be forwarded to WordPress and other blogs that use XMLRPC. Hubzilla also used to be fully federated with Twitter/X which is now reduced to an optional crosspost connector.
In addition, Hubzilla federates with diaspora*, the OStatus protocol and even e-mail. Channels can subscribe to RSS and Atom feeds, and they generate their own RSS feeds. Posts can be forwarded to WordPress and other blogs that use XMLRPC. Hubzilla also used to be fully federated with Twitter/X which is now reduced to an optional crosspost connector.
Line 255: Line 307:
* No tree-style thread view
* No tree-style thread view
* No indicator which project a post or comment came from
* No indicator which project a post or comment came from
<div lang="en" dir="ltr" class="mw-content-ltr">
=More info about Hubzilla=
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
Hubzilla is a CMS platform and {{Internal link |target=Fediverse}}'s replacement for Facebook, Dropbox, Google Calendar and much more.
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
'''Hubzilla''' (formerly known as '''Redmatrix''') is a modular webserver based operating system which includes technologies for publishing, social media, file sharing, photo sharing, chat and more, including the ability to develop custom modules. These services connect across server and administrative boundaries through the communication protocol Zot, providing decentralized and nomadic identity within the Zot network, while message federation is supported over Zot, {{Internal link |target=ActivityPub}}, {{Internal link |target=OStatus}} and the {{Internal link |target=diaspora*|diaspora*}} protocol, making Hubzilla interoperable with most distributed social networks and the {{Internal link |target=Fediverse}}.
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
In 2020 the project was recognized by the NLnet foundation with a NGI-Zero Discovery grant to support its future development, highlighting the contribution of Hubzilla in providing a decentralized identity and authentication layer to the Web.
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
== History ==
Hubzilla (formerly ''Friendica Red'', ''Redmatrix'', ''Hubmaker'') came into existence on May 12th, 2012, as an effort by the founder and former lead of the {{Internal link |target=Friendica}} project, Mike Macgirvin, to experiment with decentralized approaches to managing user identities and access control on the Web.
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
On July 12th, 2011, the protocol Zot was named for the first time.On May 12th, 2012, the initial commit of the project was made. Blogging features, WebDAV, CalDAV and CardDAV, and also a range of content management tools were added.On May 3rd, 2015, the platform software was renamed Hubzilla. On December 4th, 2015, Hubzilla 1.0 was officially launched.
== Features ==
Hubzilla is a decentralized communication and publishing platform. A server running Hubzilla, called a ''hub'', interoperates with other hubs primarily through the Zot protocol, yet may also be configured to function in isolation. Some notable features of Hubzilla are:
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
''Nomadic identities - a'' member of a hub may create any number of web identities, called ''channels''. The Zot protocol allows channels to be unbound from the hub where they are created. They may be ported to a different hub, but also cloned, in which case the channel's identity and data will exist simultaneously in more than one location. This provides resilience to channels should a hub shut down or become unavailable.
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
''Access control'' - any item published by a channel, be it a post, photo or web page, has its own access control list determining which local or remote identities can access it.
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
''Open Web Auth'' - OWA is a subset of the Zot protocol describing a method for a user agent, typically a web browser, to identify itself on behalf of a channel through what is called remote authentication. It allows hubs to provide or deny access to items and actions for identities residing in a different hub.
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
''DAV'' - the WebDAV, CalDAV and CardDAV protocols are supported
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
''Directory'' - a decentralized searchable directory of channels
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
''OpenID'' - Hubzilla functions as an OpenID provider, allowing users to log into OpenID-enabled sites with their Hubzilla channels.
== Organizational use ==
There is at least one documented large-scale use of Hubzilla beyond the typical personal, family or community communications platform. Peer reviewed publications in IEEE's International Symposium on Computer-Based Medical Systems, and BMC Health Services Research, describe the use of Redmatrix (today Hubzilla) as a tool for integrating and providing continuous care across the network of healthcare providers serving a neighborhood of 600'000 people in the city of São Paulo, Brazil.
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
== Reception ==
An academic report published in 2015 says Hubzilla/Redmatrix "is currently most suited to be provided as an alternative to the current centralized social networks and [...] can be provided as a service by hosting providers. It has an efficient message  distribution  model,  enhanced  privacy  features,  and  provides  an  unique  feature named nomadic identities. [...] It is currently more mature than some of the other implementations and puts the user back in control of their data."
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
Hubzilla was the only open-source social network solution whose implementation of privacy is considered "Extensive" in a 2015 peer-reviewed survey paper.
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
Hubzilla is mentioned on the [https://prism-break.org/en/all/#social-networks PRISM Break] catalogue of software for preventing global data surveillance.
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
Hubzilla appears as a case and recommendation in the chapter "Tendências democráticas e autoritárias, arquiteturas distribuídas e centralizadas" (Democratic and authoritarian tendencies, distributed and centralized architectures) in the book "Democracia Digital, Comunicação e Política em Redes", organized by the Digital Culture Laboratory of the Federal University of Paraná, Brazil.
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
A peer-reviewed academic article (in Portuguese) from the conference of the Latin American Network for Studies of Surveillance, Technology and Society highlights the importance of features unique to Redmatrix/Hubzilla in the effort to recover privacy and decentralization of the Internet.
In connection with the failure of billions of Facebook accounts on October 2021, German public broadcaster ZDF recommended alternative decentralized services, including Hubzilla: "Instead of Facebook, Friendica, Hubzilla or Diaspora can be used."
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
Landesanstalt für medien Nordrhein-Westfalen (broadcasting authority of the federal state in Germany) named Hubzilla as one of the services known for "ensuring high data protection and using open standards that make offerings interoperable"
</div>
<div lang="en" dir="ltr" class="mw-content-ltr">
The Digitalcourage association, in an article introducing the {{Internal link |target=Fediverse}}, recommends Hubzilla as a "social-media-cockpit" given its versatility.
</div>


== Further reading ==
== Further reading ==
* {{Internal link |target=Hubzilla |link-name=Main article on Hubzilla}}
{{Getting started links}}
{{Getting started links}}


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