I siti elencati permettono la registrazione libera sulla rete Hubzilla. Tutti questi hub sono interconnessi, quindi essere iscritti su uno equivale a una registrazione su tutta la rete. Alcuni siti potrebbero fornire alcune funzionalità o l'intero servizio a pagamento. Per maggiori dettagli visita gli indirizzi nell'elenco.
| URL del hub | Tipo di accesso | Politica di registrazione | Software |
| hub.hubzilla.de Berlin, Germany | free | open | Hubzilla 9.0.1 |
| social.076.moe | free | open | Hubzilla 7.8.7 |
| hub.manushya.de | free | approve | Hubzilla 9.0 |
| labonneheure.ch | paid | approve | Hubzilla 9.0.1 |
| zapalot.in-eu.net EU | free | open | Hubzilla 8.8.2 |
| ehrenfeld.social Cologne-Ehrenfeld, Germany | free | open | Hubzilla 8.8.8 |
| hubzilla.idealists.su | free | open | Hubzilla 8.8.1 |
| klacker.org Magyarország | free | open | Hubzilla 9.0.1 |
| hub.volse.no Norway | free | approve | Hubzilla 9.0.1 |
| hub.hubzilla.hu Magyarország | free | open | Hubzilla 9.0.1 |
| hub.utsukta.org India | free | open | Hubzilla 9.0.1 |
| trinidad.social Trinidad, Colorado | free | open | Hubzilla 8.2 |
| lugnsk.org | free | open | Hubzilla 6.0.1 |
| hub.pericles.hu Magyarország | free | approve | Hubzilla 9.0.1 |
| hub.equilibria.ngo Global | tiered | open | Hubzilla 8.8.7 |
| sn.marimontemallorca.com | tiered | open | Hubzilla 8.6.1 |
| www.ujamaa.network Canada | paid | open | Hubzilla 8.4.2 |
| hub.trollskog.de | free | open | Hubzilla 9.0.1 |
| social.woefdram.nl Netherlands | free | open | Hubzilla 8.8.8 |
| fediverse.kane-il.us Kane County, Illinois, USA | tiered | approve | Hubzilla 8.8.6 |
| zentailife.com | tiered | open | Hubzilla 8.0 |
| rusx.org | free | open | Hubzilla 9.0.1 |
| tiksi.net Arctic | tiered | open | Hubzilla 9.0.1 |
| fedi.thechangebook.org France | free | approve | Hubzilla 9.0.1 |
| zotview.civilfreedom.org | free | approve | Hubzilla 6.4.2 |
| federaatio.net Finland | free | approve | Hubzilla 8.8.8 |
| coopterre.net Sherbrooke, QC | free | open | Hubzilla 5.4.2 |
| libera.site Earth | free | approve | Hubzilla 8.6.3 |
| snh.wsring.net EU | tiered | approve | Hubzilla 8.6.1 |
| hub.netzgemeinde.eu Berlin, Germany | free | open | Hubzilla 9.0.1 |
| im.allmendenetz.de Germany/Cologne | free | open | Hubzilla 8.6.3 |
| hort.fan | tiered | open | Hubzilla 7.6.1 |
| hubzilla.l-p-d.org | free | approve | Hubzilla 7.6.1 |
| librenet.co.za South Africa | free | open | Hubzilla Pro 3.6.1 |
| mycutecritters.com United States | free | open | Hubzilla 7.2.2 |
| hub.aeon-hq.net France | free | approve | Hubzilla 9.0.1 |
| simulacron.christoph-stracke.de Westfalen | free | open | Hubzilla 5.0.8 |
| hubzilla.am-networks.fr France | free | open | Hubzilla 9.0.1 |
| zotum.net Europe | tiered | open | Hubzilla 9.1.1 |
| hub.art3mis.de Germany | free | open | Hubzilla 9.0.1 |
| hub.vilarejo.pro.br | free | approve | Hubzilla 8.8.7 |
| universul.exploratorilor.ro Romania | free | open | Hubzilla 8.8.6 |
| drifters.cloud From Vineyards | free | approve | Hubzilla 8.8.6 |