As of 2018 there are still no major transhumanist forums on the Internet.
There are a multitude of large and active Facebook groups as well as some significant pages. This page serves as a central listing. Private groups which you must join to read and participate in are marked with the lock icon 
Facebook in control of transhumanist discussion
Transhumanism
| Group |
Approx members 2017 |
Affiliations or owner
|
| Singularity Network |
26,105 |
Singularity Network (Facebook)
|
| Science, Technology & the Future |
11,554 |
Science, Technology & the Future (group) / SciFuture Page (Page)
|
| Ray Kurzweil's Singularity |
2,541 |
Ray Kurzweil fan group
|
| Singulati: keeping an eye on the technological singularity... |
2,015 |
Singularity Weblog
|
| Transhumanismo |
3,060 |
Transhumanismo (Transhumanism in Spanish)
|
| Singularity: The Syntellect Emergence |
1707 |
|
| Life Extension - Transhumanism Science Technology Meditation |
1,575 |
|
| Posthuman Network |
3,752 |
Posthuman Network / Rules
|
| Scientific Transhumanism |
18,868 |
Atheistic transhumanism
|
| Global Transhumanist Association |
6,830 |
Michael Anissimov
|
| Transhumanism |
7,408 |
|
| Rational Transhumanism |
6,465 |
Rational Transhumanism FAQ
|
| Transhumanism: The Future of Humanity |
9,634 |
|
| Transhumanist Citizens |
2,639 |
|
| Transhumanist Art |
2,976 |
Transhumanist Art
|
| Humanity Plus |
1,616 |
Humanity+
|
| Humanity+ Full Members |
65 |
Humanity+
|
| Humanity+ Members Discussion |
New |
Humanity+
|
| Transhumanist Sanctuary |
1,221 |
Transhumanist Sanctuary
|
| Ray Kurzweil |
13,259 |
Ray Kurzweil (unofficial)
|
| Christian transhumanism |
652 |
Christian transhumanism (closed submissions)
|
| Irrational Transhumanism |
1,914 |
Irrational Transhumanism/Futurist and transhumanist humour
|
| Transfelinism |
11 |
Meow
|
| Spiritual transhumanism |
98 |
Including Spiritual transhumanism
|
| Science & Transhumanism |
648 |
Science & Transhumanism
|
| Egalitarian Transhumanism |
24,571 |
Egalitarian Transhumanism
|
| Posthuman |
652 |
Posthuman
|
| Moderate Transhumanism |
41 |
Moderate Transhumanism
|
| H+ Magazine Contributors Group |
1,879 |
H+ Magazine
|
| The Hedonistic Imperative |
4,975 |
Abolitionism
|
| The Foundation |
32 |
The Foundation
|
| The Singularity |
1,637 |
The Singularity
|
| Vegan Transhumanists United |
340 |
Vegan Transhumanists United
|
| General evolution theory |
1,360 |
General evolution theory
|
| IEET |
2,431 |
Institute for Ethics and Emerging Technologies
|
| Transhumanists In Education |
322 |
Transhumanists In Education
|
| Animal Cognition |
4,699 |
Animal Cognition
|
| Spiritual transhumanism |
802 |
Spiritual transhumanism
|
| wh+ |
2,997 |
wh+ (English)
|
| wh+ |
1,821 |
wh+ (Español)
|
| H Plus Divulgation Group |
194 |
H Plus Divulgation Group (Español)
|
| 2045 Initiative |
2,103 |
2045 Initiative
|
| H+ for Space |
854 |
H+ for Space
|
| Brazilian Transhumanist and Biohacker Institute Group |
116 |
Brazilian Transhumanist
|
| Augmenting Intelligence |
3,468 |
Augmenting Intelligence - Mind Uploading
|
| Technological Life Extension |
1,755 |
The Evolution of Science and Technological Life Extension..
|
| Singularity |
1,707 |
Singularity: The Syntellect Emergence
|
| Terasem |
333 |
Terasem Movement
|
| Our Transhuman Futures |
375 |
Our Transhuman Futures
|
| Buddhist transhumanism |
1,225 |
Buddhist transhumanism
|
| Quantum Age Transhumanism |
1,769 |
Quantum Age Transhumanism
|
| Philosophical posthumanism |
732 |
Philosophical posthumanism
|
| Robot Cult |
695 |
General / Robot Cult
|
| New York Posthuman |
448 |
New York Posthuman Research Group
|
| Reconstruction of consciousness |
940 |
Reconstruction of consciousness/Digital immortality
|
| Moral enhancement |
339 |
Moral enhancement
|
| S.P.A |
1,682 |
Simulated Reality / Posthumanism / Artificial Intelligence Debate.
|
| Vegan Transhumanists United |
340 |
Vegan Transhumanists United
|
| The in vitro meat question |
334 |
The in vitro meat question
|
| Negative Utilitarianism |
241 |
Negative Utilitarianism and Suffering-Focused Ethics
|
| Transhumanism |
277 |
Morphological Freedom, Transhumanism, Life Extension & Enhancement
|
| Трансгуманизм |
338 |
Transhumanism in Russian/Трансгуманизм
|
| Technological singularity |
1,699 |
Technological singularity
|
| Russian Transhumanist Movement |
1,344 |
Russian Transhumanist Movement
|
| Transhumanismus, Extropismus, Technooptimismus |
1,334 |
Transhumanismus, Extropismus, Technooptimismus
|
| The Egalitarian Transhumanist society of India |
873 |
The Egalitarian Transhumanist society of India
|
| Accelerating Change: A Transhumanist Collective |
187 |
Accelerating Change: A Transhumanist Collective
|
| Transhumanist Library XChange |
436 |
Transhumanist Library XChange
|
| H+Pedia |
438 |
H+Pedia - why are you not already a member??
|
| h+ Open letters |
129 |
|
| Transhumanist memes group |
61 |
Futurist and transhumanist humour
|
| Posthuman Buddhism |
22 |
Buddhist transhumanism
|
| Network Transumanisti Italiani |
3,276 |
Italian Transhumanist Network
|
| Singularity Discussion |
1,749 |
|
| Scientific Transhumanism V2.0 |
313 |
|
| Technical Transhumanism |
157 |
Logan Thrasher Collins
|
| Science Advisers for Media: Theater, Film, Video & Internet |
390 |
Art
|
| Transcaninism |
25 |
Woof
|
| Transhuman Seasteading |
224 |
|
| Futurist And Transhumanist YouTubers |
68 |
Miss Metaverse
|
Geographic groups
Europe
Asia-Pacific
North America
South America
Middle East
Africa
Futurist politics
Meta groups
Transhumanist political organisations
Life extension
| Group |
Approx members 2016 |
Affiliations or owner
|
| Global Healthspan Policy Institute |
1,414 |
Global Healthspan Policy Institute
|
Live Forever Fellowship
Eternal Life Fans |
850
1,168 |
Eternal Life Fan Club
|
| Transcendence engineers |
289 |
|
| Immortality |
6,609 |
|
| International Longevity Alliance |
5,539 |
International Longevity Alliance
|
| Comparative gerontology |
382 |
|
| International Science Research Alert Page |
366 |
|
| ILA: Longevity Activists |
501 |
Longevity Alliance
|
| Discussing SENS |
174 |
SENS
|
| Ending aging: SENS, SENS Foundation, Aubrey de Grey |
7,375 |
SENS
|
| Longevity Month |
102 |
Longevity Alliance/Longevity Day and Month
|
| End Aging Now |
3,574 |
Radical Life Extension
|
| Legal Support of Longevity Research |
406 |
Life extension policy
|
| Effective Advocacy for (Radical) Longevity |
134 |
|
LongeCity Local Chapters
LongeCity UK
LongeCity Australia & New Zealand |
234
15
273 |
LongeCity
|
| THE SECRET OF IMMORTALITY - REVEALED! |
386 |
Immortality (book)
|
| Longevity for All |
222 |
Longevity for All
|
| ILA: actions |
649 |
|
| ILA: Longevity Activists |
616 |
|
| PotentialGerontodrugsToTest |
1,012 |
|
| ILA Longevity Grant and Job Postings |
1,115 |
|
| Longevity Art |
271 |
|
| RAAD Fest |
144 |
RAAD Fest
|
| forever healthy |
564 |
Forever Healthy
|
| Longevity Conferences |
195 |
|
| Longevity Experts |
76 |
|
| MajorMouseTestingProgram |
856 |
Major Mouse Testing Program
|
| Effective Altruism |
11,194 |
Effective altruism
|
| Open Longevity |
2,564 |
Open Longevity
|
| Longevity Hub |
403 |
Longevity Hub (defunct)
|
| Regenerative Medicine |
1,553 |
|
| Live long enough to live forever |
655 |
Life extension
|
| Longevity memeposting |
367 |
|
Biohacking
Cryonics
Misc futurism
| Group |
Approx members 2016 |
Affiliations or owner
|
| FutureTimeline.net |
13,255 |
Future Timeline
|
| Science, Technology, and Society discussion corner |
7,054 |
|
| Alexandria Novus Library Group |
76 |
Mark Larkento
|
| Foresight Institute |
2,291 |
Foresight Institute
|
| Techno-Optimism |
4,508 |
Techno-optimism
|
| Technogaianism |
1,009 |
Technogaianism (idea)
|
| AI Safety Discussion |
415 |
|
| AI Philosophy |
5,819 |
AI
|
| The Future of Artificial Intelligence |
2,747 |
AI
|
| Future Day |
1,809 |
Future Day
|
| Hedonistic Utilitarianism |
417 |
Hedonistic Utilitarianism
|
| Future Hunt |
1,064 |
|
| Less Wrong (now 'Brain Debugging Discussion') |
5,227 |
Less Wrong
|
| More Wrong |
235 |
Less Wrong
|
| Artificial General Intelligence (AGI) |
1,220 |
AI
|
| Superintelligence |
1,231 |
Superintelligence
|
| Altruism |
115
|
| Future Hunt |
898 |
|
| Institute for Science and Human Values |
3,995 |
|
| Ambassadors of A.I. |
163 |
AI
|
| Virtual Reality |
1,042 |
Virtual reality
|
| The Brain Cafe |
16,424 |
|
| Augmenting Intelligence - Mind Uploading |
3,189 |
Mind uploading
|
| Cyberpunk Science Fiction & Culture |
13,880 |
Cyberpunk
|
| Cyberpunk |
14,923 |
Cyberpunk
|
| Cyberlife |
176 |
Cyberlife
|
| Friends Who Like Genetic Engineering & Biotechnology News |
131 |
Biotechnology
|
| Future Hunt |
925 |
Futurism
|
| Radical Rationalist Memes |
427 |
Less Wrong humour
|
| Orion's Arm |
238 |
Orion's Arm Universe Project
|
| The Singularity Comedy Network (TSCN) |
454 |
|
| Deus Ex: Universe Hub |
3,104 |
Deus Ex
|
| carboncopies |
1,823 |
CarbonCopies
|
| Manila Biopunk Movement |
203 |
Biopunk/Biotechnology
|
| The Future, Getting There from Here |
2,458 |
Samantha Atkins/Futurism
|
| Eclipse Phase - Transhuman Conspiracy and Horror |
755 |
Eclipse Phase
|
| Lifeboat Foundation |
5,629 |
Lifeboat Foundation
|
| Science & Futurism with Isaac Arthur |
2,151 |
Isaac Arthur
|
| Mr Futurist |
33 |
Futurism / News
|
| Radical Science News Group |
4,309 |
Radical Science News
|
