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Name
(all links point to Wikipedia articles)		DescriptionFollowers on X
(approximate)
Last tweet
(green=account deleted)
Active oninactive on
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Nonprofits, Government and Faith-Based Oganizations
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Association of Internet ResearchersInternational academic association9.5KSeptember 24, 2023Mastodon, BlueSky (low volume)
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Association for Computing and the HumanitiesInternational association for the digital humanities, est. 19783.8KDecember 19, 2023Mastodon, BlueSky
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International Crane FoundationInternational conservation organization, founded 19737.5KJuly 31, 2023
6
Open Bioinformatics FoundationInternational nonprofit focused on open source bioinformatics2.1KNovember 20, 2023Mastodon, BlueSky
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World Wide Web Consortium (W3C)International standards body for the WWW (est. 1994)195.8KDecember 6, 2023Mastodon
8
X.Org Foundation / freedesktop.orgInternational nonprofit focused on graphics/desktop tech2.5KMay 3, 2023Mastodon
9
Cartoonists Rights Network InternationalInternational freedom of expression organization8.6KDecember 22, 2023Mastodon, BlueSky
10
Plant for the PlanetInternational nonprofit focused on climate change5.7KJune 18, 2024
11
Environmental Justice FoundationInternational nonprofit focused on human rights / environment111KMarch 20, 2025Bluesky
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BerlinaleInternational film festival131KNovember 2024
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Wikimedia FoundationInternational free knowledge nonprofit91.9KFebruary 2025Mastodon, Bluesky, Threads
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NPRAmerican public broadcaster8.7MApril 12, 2023ThreadsBlueSky
15
PBSAmerican public broadcaster2.1MApril 8, 2023Threads
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TechSoupAmerican nonprofit providing support/tools to nonprofits51.5KNovember 28, 2023Mastodon, Threads
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Creative CommonsAmerican nonprofit promoting access to creative works514.5KNovember 1, 2024Mastodon, Bluesky
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The Trevor ProjectAmerican LGBTQ organization, suicide prevention focus350KNovember 9, 2023
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Knight First Amendment InstituteAmerican free speech institute at Columbia University14.4KNovember 25, 2024Mastodon, Bluesky
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GLSENAmerican LGBTQ organization, anti-bullying103KDecember 19, 2023
21
Free PressAmerican media reform advocacy nonprofit55.7KNovember 14, 2024Bluesky
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Center for Countering Digital HateBritish-American nonprofit fighting online hate29KNovember 14, 2024BlueSky, Threads
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Massachusetts SenateAmerican state legislature (upper house)15.KNovember 22, 2023
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Annapolis, MarylandAmerican city16.2KDecember 11, 2023
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Georgia Museum of ArtAmerican museum based in Athens, Georgia5.1KFebruary 17, 2023Mastodon
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Chicago Transit AuthorityAmerican public transit agency286.5KDecember 31, 2024Bluesky, Threads
27
Department of Families, Fairness and HousingAustralian government department (Victoria)2.6KMarch 25, 2024Threads
28
MimikamaAustrian fact-checking nonprofit45KOctober 11, 2023Mastodon, BlueSky
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Wikimedia AustriaAustrian free knowledge nonprofit1.9KJune 18, 2024Mastodon
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Université libre de BruxellesBelgian university (French-speaking)24KNovember 21, 2023Mastodon
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University of LiègeBelgian university (French-speaking)17KNovember 27, 2023Mastodon, Threads
32
Le TECBelgian public transit network1KMarch 12, 2025
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Then Try ThisBritish open source R&D development nonprofit1.3KMarch 29, 2023Mastodon
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Royal National Orthopaedic HospitalBritish specialist hospital6.1KAugust 8, 2024
35
Woodland TrustBritish conservation charity264.1KFebruary 11, 2025
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British Youth OperaBritish opera training organization6KNovember 21, 2024Threads
37
University of LeedsBritish university (~37K students)121.5KJanuary 23, 2025Bluesky, Threads
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Diocese of NorwichBritish ecclesiastical jurisdiction (Province of Canterbury)5.4KJanuary 31, 2025Bluesky
39
With YouBritish alcohol/drugs support organization18.6KMarch 25, 2025
40
Supreme Court of CanadaCanada's highest court46.5KFebruary 26, 2025
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KRO-NCRVDutch public broadcaster5.8KJanuary 8, 2024Mastodon, Threads
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NOSDutch public broadcaster2.4MNovember 25, 2025
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NLUUGDutch association of professional open source users0.8KOctober 2, 2023Mastodon
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SURFDutch organization for IT and education and research4.4KMay 1, 2024Mastodon
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Wikimedia NederlandDutch free knowledge nonprofit3.4KAugust 27, 2024Mastodon
46
GÉANTEuropean research network5.3KMay 2, 2024Mastodon
47
Aix-Marseille UniversityFrench research university1.9KOctober 17, 2023
48
ParisFrench capital2.2MJanuary 16, 2025Bluesky, Threads
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La Quadrature du NetFrench digital rights group102.6KJanuary 20, 2025Mastodon
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Rennes 2 UniversityFrench university15.8KAugust 31, 2023
51
Université de Picardie Jules VerneFrench university8.8KDecember 20, 2023
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Université de StrasbourgFrench university30KJanuary 18, 2024Bluesky
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Sciences Po ToulouseFrench political science institute4.5KSeptember 13, 2023
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Université Bordeaux MontaigneFrench university17.3KDecember 12, 2023Mastodon, BlueSky
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Université de BordeauxFrench university28.3KJanuary 15, 2024Mastodon, BlueSky
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Wikimédia FranceFrench free knowledge nonprofit11.6KJanuary 13, 2025Mastodon
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GLS BankGerman ethical bank18.5KDecember 6, 2023Mastodon, BlueSky
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Prototype FundGerman public interest technology grantmaker4.7KOctober 6, 2023MastodonBlueSky
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Deutscher Journalisten-VerbandGerman association of journalists36.3KNovember 22, 2024Mastodon, BlueSky
60
Antidiskriminierungsstelle des BundesGerman federal agency16.8KOctober 11, 2023
61
Wikimedia GermanyGerman free knowledge nonprofit10.9KOctober 24, 2023Mastodon
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AlgorithmWatchGerman nonprofit focused on how algorithms shape our lives20.3KJanuary 16, 2024Mastodon
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GermanwatchGerman nonprofit focused on sustainable development12.5KJune 18, 2024Mastodon, Threads
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Greifswald Mire CentreGerman nonprofit for peatland preservation and restoration2.5KJune 18, 2024Mastodon, BlueSky
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EuronaturGerman nonprofit for environmental projects in Europe2.6KJune 18, 2024Mastodon
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Nationale Forschungsdaten InfrastrukturGerman publicly funded research infrastructure organization3.7KDecember 19, 2023Mastodon
67
Deutsche ForschungsgemeinschaftGerman publicly funded science and research organiziation41.1KJanuary 21, 2025Mastodon, BlueskyThreads
68
Deutsche Tolkien GesellschaftGerman nonprofit focused on the works of J.R.R. Tolkien2.8KDecember 29, 2023Mastodon, BlueSky, Threads
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Demeter GermanyGerman organic farming association10KJune 18, 2024
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KindernothilfeGerman Christian humanitarian organization founded in 195913.5KJune 17, 2024
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Terre des Hommes GermanyGerman branch of international children's right organization6.4KJune 18, 2024Mastodon, Threads
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Sea PunksGerman rescue organization for refugees4.7KDecember 28, 2023BlueSkyThreads
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Helmholtz Open Science OfficeGerman open science division of research association1.7KDecember 14, 2023Mastodon
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Neue deutsche Medienmacher*innenGerman media diversity advocacy nonprofit16.9KNovember 1, 2023Mastodon, BlueSky
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Neue Richtervereinigung e.V.German judicial reform advocacy organization2.3KNovember 10, 2023Mastodon, BlueSky
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Deutsche AidshilfeGerman aid organization for people with HIV/AIDS11.1KNovember 20, 2023BlueSky
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Green Legal ImpactGerman access to justice nonprofit0.6KNovember 1, 2023Mastodon, BlueSky
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Deutscher PräventionstagGerman conference focused on criminal prevention1.5KJuly 16, 2024
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Erzbistum Hamburg HochschuleGerman higher education organization0.2KNovember 1, 2023Mastodon
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Leibniz Strategy Forum on Open ScienceGerman organization fostering open science3.2KDecember 19, 2023Mastodon
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Leibniz Postdoc NetworkGerman academic community1.3KJanuary 28, 2025Mastodon, Bluesky
82
MedwatchGerman nonprofit investigating false health claims11KNovember 19, 2023Mastodon (low volume), BlueSky
83
Doctors for Choice GermanyGerman reproductive rights organization3KDecember 17, 2023BlueSky, Threads
84
CorrectivGerman nonprofit investigative newsroom118.6KNovember 27, 2023Mastodon, BlueSky
85
DeutschlandfunkGerman national public radio broadcaster316.8KJanuary 2, 2024
86
Berliner VerkehrsbetriebeGerman public transit authority378.8KJuly 15, 2024
87
Sächsische LandesbibliothekGerman regional library for the state of Saxon8.6KDecember 20, 2023Mastodon
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Sächsische Landeszentrale für pol. BildungGerman regional public organization for political education1.9KDecember 29, 2023Mastodon
89
Herzog August LibraryGerman library with internationally significant collection2KDecember 29, 2023Mastodon
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Universitätsbibliothek LeipzigGerman university library3.2KNovember 7, 2023Mastodon
91
Universität BremenGerman university10.2KOctober 17, 2023Mastodon
92
Freie Universität BerlinGerman university32.4KApril 24, 2024MastodonBlueSky
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Universität BielefeldGerman university9.8KAugust 5, 2024
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Universität PaderbornGerman university3.8KApril 5, 2024Bluesky
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Hamburg Open Online UniversityGerman online learning platform2.7KFebruary 15, 2024Mastodon, BlueSky
96
Oberlandesgericht KarlsruheGerman court0.9KNovember 10, 2023Mastodon, BlueSky
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Stiftung DatenschutzGerman publicly funded privacy nonprofit11.2KDecember 21, 2023Mastodon
98
Stiftung MercatorGerman private foundation (digital society, democracy)9.8KJanuary 30, 2024
99
Robert Bosch StiftungGerman private foundation (culture, science, health)22.3KJanuary 30, 2024
100
ZEIT-StiftungGerman private foundation (research, culture, journalism)2.6KJanuary 30, 2024