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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
4
Association for Computing and the HumanitiesInternational association for the digital humanities, est. 19783.8KDecember 19, 2023Mastodon, Bluesky
5
International Crane FoundationInternational conservation organization, founded 19737.5KJuly 31, 2023
6
Open Bioinformatics FoundationInternational nonprofit focused on open source bioinformatics2.1KNovember 20, 2023Mastodon, Bluesky
7
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
13
Wikimedia FoundationInternational free knowledge nonprofit91.9KFebruary 2025Mastodon, Bluesky, Threads
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Wiki Education FoundationAmerican nonprofit promoting Wikipedia editing in education5.5KMarch 2025Bluesky, Threads (low volume)Mastodon
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NPRAmerican public broadcaster8.7MApril 12, 2023ThreadsBluesky
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PBSAmerican public broadcaster2.1MApril 8, 2023Threads
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TechSoupAmerican nonprofit providing support/tools to nonprofits51.5KNovember 28, 2023Mastodon, Threads
18
Creative CommonsAmerican nonprofit promoting access to creative works514.5KNovember 1, 2024Mastodon, Bluesky
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Electronic Frontier FoundationAmerican nonprofit promoting online rights470.4KApril 10, 2026Mastodon, Bluesky, Threads
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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
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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
25
Massachusetts SenateAmerican state legislature (upper house)15.KNovember 22, 2023
26
Annapolis, MarylandAmerican city16.2KDecember 11, 2023
27
Georgia Museum of ArtAmerican museum based in Athens, Georgia5.1KFebruary 17, 2023Mastodon
28
Chicago Transit AuthorityAmerican public transit agency286.5KDecember 31, 2024Bluesky, Threads
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American Federation of TeachersAmerican teachers' union75.5KJanuary 13, 2026Bluesky, Threads
30
Department of Families, Fairness and HousingAustralian government department (Victoria)2.6KMarch 25, 2024Threads
31
MimikamaAustrian fact-checking nonprofit45KOctober 11, 2023Mastodon, Bluesky
32
Wikimedia AustriaAustrian free knowledge nonprofit1.9KJune 18, 2024Mastodon
33
Université libre de BruxellesBelgian university (French-speaking)24KNovember 21, 2023Mastodon
34
University of LiègeBelgian university (French-speaking)17KNovember 27, 2023Mastodon, Threads
35
Le TECBelgian public transit network1KMarch 12, 2025
36
Then Try ThisBritish open source R&D development nonprofit1.3KMarch 29, 2023Mastodon
37
Royal National Orthopaedic HospitalBritish specialist hospital6.1KAugust 8, 2024
38
Woodland TrustBritish conservation charity264.1KFebruary 11, 2025
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Somerset Wildlife TrustBritish conservation charity17.9KJanuary 19, 2026Threads
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British Hedgehog Preservation SocietyBritish conservation charity59.9KJanuary 20, 2026Bluesky
41
Vagina MuseumBritish museum about the female reproductive system174.3KJanuary 13, 2026Mastodon, Bluesky
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British Youth OperaBritish opera training organization6KNovember 21, 2024Threads
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Women & Equalities CommitteeBritish House of Commons MP committee27.7KJanuary 7, 2026Bluesky
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University of LeedsBritish university (~37K students)121.5KJanuary 23, 2025Bluesky, Threads
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London MarathonBrittish annual marathon189.5KApril 24, 2025
46
Victim SupportBritish (England and Wales) org supporting victims of crime22.9KApril 10, 2025
47
Refugee ActionBritish refugee aid organization64.9KDecember 5, 2024Bluesky
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RefugeBritish (UK) org supporting vicitms of domestic violence67.4KJanuary 9, 2025Bluesky
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Diocese of NorwichBritish ecclesiastical jurisdiction (Province of Canterbury)5.4KJanuary 31, 2025Bluesky
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With YouBritish alcohol/drugs support organization18.6KMarch 25, 2025
51
Supreme Court of CanadaCanada's highest court46.5KFebruary 26, 2025
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OpenMediaCanadian media advocacy nonprofit25.1KJanuary 19, 2026Mastodon, Bluesky
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KRO-NCRVDutch public broadcaster5.8KJanuary 8, 2024Mastodon, Threads
54
NOSDutch public broadcaster2.4MNovember 25, 2025
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NLUUGDutch association of professional open source users0.8KOctober 2, 2023Mastodon
56
SURFDutch organization for IT and education and research4.4KMay 1, 2024Mastodon
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Volt NederlandDutch liberal, pro-European political party28.5KJanuary 12, 2025Mastodon, Bluesky
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Wikimedia NederlandDutch free knowledge nonprofit3.4KAugust 27, 2024Mastodon
59
GÉANTEuropean research network5.3KMay 2, 2024Mastodon
60
Tribunal judiciaire de ParisFrench legal tribunal (for Paris)7KFebruary 3, 2026
61
Aix-Marseille UniversityFrench research university1.9KOctober 17, 2023
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ParisFrench capital2.2MJanuary 16, 2025Bluesky, Threads
63
La Quadrature du NetFrench digital rights group102.6KJanuary 20, 2025Mastodon
64
Rennes 2 UniversityFrench university15.8KAugust 31, 2023
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Université de Picardie Jules VerneFrench university8.8KDecember 20, 2023
66
Université de StrasbourgFrench university30KJanuary 18, 2024Bluesky
67
Sciences Po ToulouseFrench political science institute4.5KSeptember 13, 2023
68
Université Bordeaux MontaigneFrench university17.3KDecember 12, 2023Mastodon, Bluesky
69
Université de BordeauxFrench university28.3KJanuary 15, 2024Mastodon, Bluesky
70
Wikimédia FranceFrench free knowledge nonprofit11.6KJanuary 13, 2025Mastodon
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GLS BankGerman ethical bank18.5KDecember 6, 2023Mastodon, Bluesky
72
Prototype FundGerman public interest technology grantmaker4.7KOctober 6, 2023MastodonBluesky
73
Deutscher Journalisten-VerbandGerman association of journalists36.3KNovember 22, 2024Mastodon, Bluesky
74
Antidiskriminierungsstelle des BundesGerman federal agency16.8KOctober 11, 2023
75
Wikimedia GermanyGerman free knowledge nonprofit10.9KOctober 24, 2023Mastodon
76
AlgorithmWatchGerman nonprofit focused on how algorithms shape our lives20.3KJanuary 16, 2024Mastodon
77
GermanwatchGerman nonprofit focused on sustainable development12.5KJune 18, 2024Mastodon, Threads
78
Greifswald Mire CentreGerman nonprofit for peatland preservation and restoration2.5KJune 18, 2024Mastodon, Bluesky
79
EuronaturGerman nonprofit for environmental projects in Europe2.6KJune 18, 2024Mastodon
80
Nationale Forschungsdaten InfrastrukturGerman publicly funded research infrastructure organization3.7KDecember 19, 2023Mastodon
81
Deutsche ForschungsgemeinschaftGerman publicly funded science and research organiziation41.1KJanuary 21, 2025Mastodon, BlueskyThreads
82
Deutsche Tolkien GesellschaftGerman nonprofit focused on the works of J.R.R. Tolkien2.8KDecember 29, 2023Mastodon, Bluesky, Threads
83
Demeter GermanyGerman organic farming association10KJune 18, 2024
84
KindernothilfeGerman Christian humanitarian organization founded in 195913.5KJune 17, 2024
85
Terre des Hommes GermanyGerman branch of international children's right organization6.4KJune 18, 2024Mastodon, Threads
86
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
88
Neue deutsche Medienmacher*innenGerman media diversity advocacy nonprofit16.9KNovember 1, 2023Mastodon, Bluesky
89
Neue Richtervereinigung e.V.German judicial reform advocacy organization2.3KNovember 10, 2023Mastodon, Bluesky
90
Deutsche AidshilfeGerman aid organization for people with HIV/AIDS11.1KNovember 20, 2023Bluesky
91
Green Legal ImpactGerman access to justice nonprofit0.6KNovember 1, 2023Mastodon, Bluesky
92
Deutscher PräventionstagGerman conference focused on criminal prevention1.5KJuly 16, 2024
93
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
95
Leibniz Postdoc NetworkGerman academic community1.3KJanuary 28, 2025Mastodon, Bluesky
96
MedwatchGerman nonprofit investigating false health claims11KNovember 19, 2023Mastodon (low volume), Bluesky
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Doctors for Choice GermanyGerman reproductive rights organization3KDecember 17, 2023Bluesky, Threads
98
CorrectivGerman nonprofit investigative newsroom118.6KNovember 27, 2023Mastodon, Bluesky
99
DeutschlandfunkGerman national public radio broadcaster316.8KJanuary 2, 2024
100
Berliner VerkehrsbetriebeGerman public transit authority378.8KJuly 15, 2024