Kiko Llaneras @kikollan.llaneras.es Doctor en ingeniería que escribe en El País. He publicado el libro «Piensa claro» 🧠 https://kiko.llaneras.es/piensa-claro
HTTP Toolkit @httptoolkit.com Beautiful & open-source tools to debug, test and develop with HTTP(S).
👨🔧 Built by @pimterry.fyi
🌐 https://httptoolkit.com/
🦣 http://mastodon.social/@httptoolkit
Johns Hopkins Center for Health Security @centerforhealthsecurity.org We work to protect people’s health from the consequences of epidemics and disasters. RTs are not endorsements.
https://centerforhealthsecurity.org/
Liv Boeree @livboeree.bsky.social 
Richard Y Chappell🔸 @rychappell.bsky.social Philosophy prof. Posts better stuff at www.goodthoughts.blog
🔸10% Pledge #54 with @GivingWhatWeCan
Animal Charity Evaluators (ACE) @animalcharityev.bsky.social Dedicated to finding and promoting the most effective ways to help animals. 🐮🐥🐷
P.S. Our Movement Grants Matching Challenge is live! Donate to help fund the next wave of animal advocacy.
Happier Lives Institute @happierlives.bsky.social We connect you with the most cost-effective ways to improve global happiness.
Founders Pledge @founderspledge.com We're a global nonprofit empowering entrepreneurs to do the most good possible with their charitable giving. founderspledge.com
Evidence Action @evidenceaction.bsky.social 
The Humane League @thehumaneleagueus.bsky.social 
GiveDirectly @give-directly.bsky.social Send money to people living in poverty, no strings attached. In Bangladesh, DRC, Kenya, Liberia, Malawi, Mozambique, Morocco, Nigeria, Rwanda, Uganda, & U.S.
Against Malaria Foundation @againstmalaria.bsky.social We help protect people from malaria.
We fund anti-malaria nets, specifically long-lasting insecticidal nets (LLINs), and work with distribution partners to ensure they are used. We track and report on net use and impact.
1Day Sooner @1daysooner.bsky.social 1Day Sooner leads campaigns in science, policy, and bioethics to stop the world’s most harmful infectious diseases. We advocate for volunteers who participate in high-impact medical studies, including human challenge studies. www.1daysooner.org 
Soemano Zeijlmans @soemanozeijlmans.eu 💊 Welfare-pilled utility maxxer
🔍 Environmental economist building a better world with evidence instead of vibes.
💚 Research Associate at @GivingGreen.earth
🌍 Co-director of @EffectiveEnvironmentalism.org
🎒 Offbeat travel, nature, connections.
🏃♂️ Running
Alexander Berger @albrgr.bsky.social CEO of Coefficient Giving
Clean Air Task Force @cleanaircatf.bsky.social Catalyzing resilient solutions for a cleaner future.
Alex Holst @alexholst.bsky.social Focused on creating a more sustainable, healthy, and just food system.
EU policy & politics at the Good Food Institute Europe.
Effective Environmentalism @effectiveenvironmentalism.org 💡💚 We're growing a movement around tackling climate change and environmental challenges as effectively as possible, based on evidence, careful analysis, and science. Join us!
Find opportunities: www.effectiveenvironmentalism.org
Mieux Donner @handle.invalid En orientant vos dons là où ils peuvent faire une grande différence, vous pouvez avoir un impact extraordinaire !
Rendez-vous sur notre site web https://mieuxdonner.org/ pour en apprendre plus sur la générosité efficace
Bella Forristal @bellaforristal.bsky.social I was so close to 1k Twitter followers but here we are ¯\_(ツ)_/¯
Effective altruism, veganism, various weakly-held takes on things | she/her | https://admonymous.co/bellaforristal
Matt Coleman @matt--coleman.bsky.social Executive Director at Giving Multiplier
Psychology researcher at Harvard
Previously: Psychology PhD at Northeastern | BS in Neuroscience at Tulane
Vaidehi Agarwalla @vaidehiagarwalla.bsky.social Product @ Momentum. I like updating (my beliefs). 🇸🇬🇮🇳
🔸10% pledger
Saloni @scientificdiscovery.dev Co-founder & editor, Works in Progress. Writer, Scientific Discovery. Podcaster, Hard Drugs. Advisor, Coefficient Giving.
Newsletter: https://scientificdiscovery.dev
Podcast: https://harddrugs.worksinprogress.co
🏳️🌈
Malaria Consortium @malariaconsortium.bsky.social Saving lives and improving health in Africa and Asia through evidence-based programmes that combat targeted diseases and promote UHC.
malariaconsortium.org
Alex Savard 🔸 @visably.bsky.social Designing for good.
🔸 Giving 10% at GivingWhatWeCan.org
Habiba Banu 🔸 @habibabanu.bsky.social Co-founder http://spiro.ngo - TB screening and prevention charity focused on children
🔸 10% Pledge #103 with @givingwhatwecan.bsky.social
Aaron Gertler @aarongertler.bsky.social Comms officer @ Open Philanthropy, former Magic pro, webfiction connoisseur. https://aarongertler.net/
Grace Adams 🔸 @gracevadams.bsky.social Head of Marketing at Giving What We Can
🔸10% Pledger
dylan matthews @dylanmatt.bsky.social i write for vox
Unlimit Health @unlimithealth.bsky.social We work with affected countries, sharing evidence and expertise to end parasitic disease and to support people to live healthy lives, free from limiting disease.
Peter Singer @petersinger.info Author, Animal Liberation, Practical Ethics, The Life You Can Save, The Most Good You Can Do, Animal Liberation Now.
Podcast: petersinger.info/podcast
AI Persona: PeterSinger.ai
Professor of Bioethics, Emeritus, Princeton University.
Giving Multiplier @givingmultiplier.bsky.social We match donations to any charity and introduce you to super-effective charities. Award-winning platform created by Harvard researchers to make charitable giving as impactful as possible.
Try it out: GivingMultiplier.org
Newsletter: eepurl.com/i0GHhc
Spencer Greenberg @spencrgreenberg.bsky.social A mathematician/entrepreneur in social science. On here, I write about psychology, critical thinking, philosophy, tech, and society.
Ezra Klein @ezrakleinbot.bsky.social Ezra Klein’s tweets, articles, clips and podcasts on Bluesky.
Dustin Moskovitz @moskov.goodventures.org Co-founder at Asana and Good Ventures (a funding partner of Coefficient Giving). Strange looper. You can just build the things you want to see in the world.
“Criminally underliked”
@wdmacaskill.bsky.social @wdmacaskill.bsky.social 
Luke K. Freeman 🔸 @lukes.me 
The Good Food Institute @gfi.org We unlock the knowledge and resources needed to transform how meat is made—satisfying rising food demand in ways that accelerate climate progress, protect animals & ecosystems, and strengthen public health.
https://linktr.ee/the_good_food_institute
Our World in Data @ourworldindata.org Our World in Data is a free, nonprofit website with a mission to increase understanding of the world’s largest problems and drive informed action to solve them. Based out of Oxford University (@ox.ac.uk), founded by @maxroser.bsky.social.
Helen Keller Intl @helenkellerintl.org Helen Keller Intl helps millions of children and families create lasting change in their own lives so they can realize their true potential. Learn more at helenkellerintl.org.
Stefan Schubert @stefanschubert.bsky.social I run The Update newsletter: www.update.news
Book: academic.oup.com/book/56384
Giving Green @givinggreen.earth We make high-impact climate giving easier, for everyone.
Sign up for our monthly newsletter: http://eepurl.com/hIqAVj
Repost ≠ endorsement.
Our recs for 2024-2025 climate giving: givinggreen.earth/post/2024-top-nonprofits
Max Roser @maxroser.bsky.social — Founder of Our World in Data
— Professor at the University of Oxford
Data to understand global problems and research to make progress against them.
Hannah Ritchie @hannahritchie.bsky.social Deputy Editor, Our World in Data
Senior Researcher, University of Oxford
Climate, energy, environment, all things data.
Fabio Kuhn 🔸 @mordaroso.bsky.social Director of Tech at Giving What We Can and Software Engineer at Giving Multiplier
80,000 Hours @80000hours.bsky.social You have 80,000 hours in your career.
This makes it your best opportunity to have a positive impact on the world.
https://80000hours.org
Giving What We Can🔸 @givingwhatwecan.bsky.social Home of the 🔸10% Pledge | Creating a global community who gives effectively and significantly
Bluesky @bsky.app official Bluesky account (check username👆)
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