Here are the top 200 Meetup Groups according to Meetup.com

Name City Country Focus Members Contact Name
🔥 SQL NYC, The NoSQL & NewSQL Database Big Data Meetup New YorkUSData Enthusiasts 23369Eric David Benari
Tech in Motion Events: San Francisco San FranciscoUSTechnologists 13075Mandy Ivy
Tech in Motion: New York City New YorkUSTechnologists 11783Mandy Ivy
Tech in Motion: Boston BostonUSTechnologists 10621Mandy Walker
New York Software Engineers (NYSE) New YorkUSSoftware Engineers 8739Michael Latulippe
106 Miles Palo AltoUS106ers 8705Adam
Tech in Motion: Silicon Valley San JoseUSTechnologists 8484Mandy
Tech in Motion: Chicago ChicagoUSTechnologists 8303Mandy Walker
Bay Area Software Engineers (BASE) San FranciscoUSSoftware Engineers 7655Michael Latulippe
Tech in Motion: Los Angeles Los AngelesUSTechnologists 7554Mandy
Tech in Motion: Philadelphia PhiladelphiaUSTechnologists 7294Mandy
WordPress NYC Meetup Group New YorkUSWordPress Fanatics 7265WordPress
PHP London LondonGBPHP users 7212Johanna Cherry
New York MongoDB User Group New YorkUSMembers 6483MongoDB
NYLUG - New York Linux Users Group New YorkUSMembers 6177Brian Gupta
PHPSP - São Paulo PHP Developers Group São PauloBRMembers 5238Hussani Oliveira
I am Happy Project - Ni Dilli, Indian Ni DilliINHappy People 5092I am Happy Project
The Vancouver Web Design Meetup Group VancouverCAVancouver Web Design Meetup 4912Darrell Hadden
¿Por qué aprender a Programar? BogotáCONuevos Programadores 4818Cesar
Find a Tech Job LondonGBCareer Networkers 4682Samantha hepburn
Skookum Tech Talks CharlotteUSMembers 4537Don Post
New York Web Performance Group New YorkUSweb speeders 4458Sergey Chernyshev
Chicago Women Developers ChicagoUSAmazing People 4395Melissa Pierce
WordPress Orlando OrlandoUSWordPressers 4312WordPress
Berlin Hack and Tell BerlinDEHackers 4182Keith Corwin
WordPress Sydney SydneyAUWordPress Enthusiasts 4094WordPress
Women Who Code Boston BostonUSCoders 4025Women Who Code
WordPress DC WashingtonUSWP Enthusiasts 3883WordPress
Dev Japan TokyoJPmembers 3855Caven Cade Mitchell
Melbourne Web Developers MelbourneAUDevs 3798Emma
Matters - Paris Veille Technos Meetup ParisFRLearners 3798Matters
Boston PHP BostonUSMembers 3781Matt Murphy
AWS Seattle | Official Events SeattleUSMembers 3662Ross Barich
Boston Software Engineers BostonUSSoftware Engineers 3542Michael Latulippe
Delhi MongoDB User Group DelhiINMembers 3518MongoDB
Full-Stack Engineering New YorkUSFull-stack Engineers 3415Michael Boufford
Code Oregon PortlandUSStudents 3413Jenny W
MTL + ECOMMERCE MontréalCAEcommerce Professionals 3334Ambroise Debret
Community Hack Night Los AngelesUSMembers 3319Dubie
Women Who Code Boulder/Denver DenverUSWomen Who Code Members 3314Women Who Code
WordPress Barcelona BarcelonaESWordPressers 3280WordPress
İstanbul PHP User Group IstanbulTRPHPers 3178Emir Karşıyakalı
San Francisco MongoDB User Group San FranciscoUSMongoDB Fans 3176MongoDB
San Francisco WordPress Meetup San FranciscoUSWordPress Enthusiasts 3145Zach Berke
Sydney Developer Drinkups SydneyAUDevelopers 3111Jess Telford
Boston WordPress CambridgeUSWordPress Fans 3103Tom Beach
Memphis Technology User Groups MemphisUSTechies 3060Bryan Robinson
IT w Warszawie WarsawPLMembers 3048Jadex
BogoDev BogotáCOProgramadores 3023@ElkinGaravito
KeepCoding MadridESKeepCoders 2985Keep Coding
Web Engineering Düsseldorf DüsseldorfDEEngineers 2901Andy Grunwald
Pixels and Pints CalgaryCASquares 2877Tony Grimes
Tech in Motion: Dallas DallasUSTechnologists 2834Mandy Walker
SoCal Node.js Los AngelesUSNoders 2810David Aktary
SF PHP Community San FranciscoUSPHP Developers 2695Andre Marigold
NYC Tech Debates New YorkUSDebaters 2672Zachary Schneider
The Digital Pond LondonGBDigital Ponderers 2669Siji Onabanjo
The Vancouver WordPress Meetup Group VancouverCAWordPress Enthusiasts 2647WordPress
Achievers Tech Talks TorontoCAMembers 2646Achievers Tech Admin
WordPress London LondonGBWordPress Community Members 2595Dan Maby
New York PHP Meetup New YorkUSNYC PHP Members 2577Hans Zaunere
formation développeur web Paris by 3W Academy ParisFRAcadémiciens 2509Djamchid
life michael tel aviv Tel Aviv-YafoILMembers 2485Haim Michael
Sydney Enterprise Agile / Scrum Meetup SydneyAUSydney Agilists 2484Michael Saunders
LAPHP: The Los Angeles PHP Developers Group Santa MonicaUSPHP Developers 2423Oleg Baranovsky
Laravel Nigeria LagosNGDevelopers 2415prosper otemuyiwa
OpenTech ParisFRhuman bots 2402Cyril PIERRE de GEYER
Chicago Web Professionals Meetup Group EvanstonUSChicago Web Professionals 2391Jeff McNear
PHP Rio Rio de JaneiroBRMembros 2377Raphael de Almeida
Stamford Tech Meetup StamfordUSTechies 2359Built In CT
Dallas PHP DallasUSPHP Developers 2351Chris Cornutt
AmsterdamPHP AmsterdamNLPHPers 2335Rafael Dohms
London Web Performance Group LondonGBWeb Speeders 2307Perry Dyball
Sydney PHP SydneyAUPHP Developers 2292Ollie Brennan
Seattle Web App Developers Group SeattleUSWeb App Devs 2292Paul Litwin
Drupal Bangalore BangaloreINDrupalers 2290hw
Technology Job Seekers Greater Boston BostonUSProfessionals 2288Maureen
Madrid MongoDB User Group MadridESMembers 2283MongoDB
Native App Club - Training , Certifications , Freelancing BangaloreINApp Developers 2272Ameer MPF
Women Who Code LA Culver CityUSCoders 2223Women Who Code
Women Who Code East Bay OaklandUSCoders 2213Women Who Code
Mentorship Saturdays PortlandUSMembers 2209Brad
Philadelphia WordPress Meetup Group PhiladelphiaUSWordPress Enthusiasts 2200WordPress
AFSY SfPots ParisFRSymfony Users 2114Jonathan Jalouzot
DC PHP Developer's Community WashingtonUSDC PHPers 2111Sandy Smith
Austin PHP Meetup AustinUSPHP Developers 2107Logan Lindquist
Code Till Dawn Saint LouisUSCoders 2107Nicholas Diaz
PHPMad MadridESphper@ 2101Daniel González
Ciklum Ukraine/Belarus knowledge sharing community KyivUAIT geeks 2077Julia
Azure Community Singapore (ACS) SingaporeSGAzure Community Members 2066Riza Marhaban
The Austin Linux Meetup AustinUSLinux Enthusiasts 2053Darren Carpenter
Denver Hack Nite DenverUSHacks 2048Josh Robinson
Women Who Code Manila ManilaPHAwesome Women Coders 2045Women Who Code
Paris MongoDB User Group ParisFRMembers 2031MongoDB
The San Antonio Web Development Group San AntonioUSDevelopers 1975Jason Straughan
GTA PHP User Group TorontoCACoders 1971Vic Metcalfe
ThinkPHP Kharkiv KharkivUAMembers 1957NIX Solutions ltd
Austin Programmer Community AustinUSProgrammers & Developers 1941George Pazdral
WordPress Stockholm StockholmSEWordPressers 1921WordPress
Technology Meetup (India) PuneINMembers 1918Technology Meetup (India)!
Melbourne PHP Users Group MelbourneAUPHPMelbers 1916Tom Corrigan
AtlantaPHP Meetup Group AtlantaUSPHP Developers 1900Chris Spruck
Jeddah Entrepreneurship Meetup مجموعة ريادة الأعمال جدة JiddahSAProfessional 1899Jamal Yacoub
Hacker News Chicago Meetup ChicagoUSHackers 1897Eric L
Laravel Philippines ManilaPHArtisans 1889Alfie Besin
Hack Mosaic New YorkUSHackers 1885Kyle Wanamaker
Berlin Startup Culture (BSC) BerlinDEMembers 1852George Papa
DomCode UtrechtNLCoders 1850Lucas van Lierop
Uszanowanko Programowanko GliwicePLDoges 1831Marcin Mazurek
Dev Paraná MaringáBRDesenvolvedores 1827Fernando Fabricio dos Santos
3W Arena - L'agence digitale des entrepreneurs! ParisFRGladiateurs 1826Djamchid
BackEnd/DevOps PH MakatiPHEngineers 1825Thomas Laughlin
Bot Builder Meetup - Bangalore BangaloreINTechies/Founders 1820Malay Warankar
Comunidad de PHP México CityMXPHPeros 1809Pronuer (Claudio M.G.)
The Seattle Ruby on Rails Developers Meetup Group SeattleUSRailers 1772Bill Harding
Montana Programmers KalispellUSMontana Programmers 1768Wes
London Magento Users Group LondonGBMagento Users 1765Lee Bolding
Austin Coders & Hackers by The Tech^map AustinUSCoders & Hackers 1763Johan Borge
Minneapolis - St. Paul WordPress User Group MinneapolisUSWordPress Enthusiasts 1742WordPress
WordPress Buenos Aires Buenos AiresARWordPresseros 1731WordPress
San José, Costa Rica WordPress Meetup San JoseCRWordPress Users 1727WordPress
Drupal France et Francophonie ParisFRDrupaliens 1712Artusamak
Webworker NRW DüsseldorfDEWebworker 1702Christian Schaefer
The Singapore PHP User Group Meetup SingaporeSGPHP Community Member 1671Sushma Vyas
Tech nights in Medellín MedellínCOMembers 1664Sebastian Miranda
Refactor::Chicago ChicagoUSProfessionals 1653Ryan Cowan
106 Miles - Southern California Edition Los AngelesUS106ers 1650Adam
Open Source Hong Kong Hong KongHKMembers 1643Sammy Fung
WroclawIT WroclawPLMembers 1643Patka
Freelance Talks : Les Apéros Freelances & Tips ParisFRFreelances 1631FreelanceRepublik
Bangalore PHP Users BangaloreINMembers 1628Chakrapani R
Mobile Developers Group RiyadhSAMembers 1622Dr. Hamad
PHP Quebec MontréalCAPHPers 1622Eric Hogue
PHPMG Belo HorizonteBRProgrammers 1605Pedro Chaves
PHPSrbija BelgradeRSDevelopers 1590PHP Srbija
Seattle PHP User Group SeattleUSPHP Developers 1587Tessa Mero
Silicon Valley Peninsula MongoDB User Group Palo AltoUSMongoDB Fans 1579MongoDB
Schönherz Bázis - IT és villamosmérnök meetup BudapestHUInformatikus és villamosmérnök 1578Varga Ferenc
HTML5, Angular Js , Bootstrap, CSS MeetUp PuneINngPune 1570Mahesh D
Bangalore Drupal User Group BangaloreINDrupalers 1565Neeraj
Sacramento WordPress Meetup SacramentoUSWordPress Users 1533WordPress
New York City Web Development Community New YorkUSWeb Developers 1529Milan
DC Web Design, Development, Tech, and Media Authority WashingtonUSWeb Heads 1526Startup Central
NYC CSS/UX New YorkUSCreative stylists 1518Mehboob Alam*
Grand Circus Detroit: Coding Bootcamps DetroitUSGrand Circus Family 1510Grand Circus
TCNewTech Traverse CityUSTC Technology Enthusiasts 1505Russell Schindler
Meet Your Dev Paris ParisFRRecruteurs 1498Djamchid
WordPress Lisboa LisbonPTMembers 1494WordPress
Docker Copenhagen CopenhagenDKDockers 1486Moby Dock
Developers.nl Meetup RotterdamNLDevelopers, software programmers 1482Developers.nl B.V.
PHP Colombia BogotáCOphperos 1481f3l
Nerd Interface ChicagoUSNerds 1477Gregg Walrod
FoundersDevelopers Meet Up MoscowRUFoundersDevelopers 1476Slava Belykh
Jeddah Software Developers JiddahSADevelopers 1472Aaron Q. Johnson
Saigon Developer Group Thanh Pho Ho Chi MinhVNMembers 1459Hung Vo
Developers Day powered by kariera.gr AthensGRFellows 1459kariera.gr
Drupal Developer Network (Singapore) SingaporeSGDrupalists 1451SJ
Dayton Web Developers DaytonUSDevelopers 1450Nathan
NewHaven.IO New HavenUSTech Minded People 1448Tom Reznick
Frankfurt Developers FrankfurtDECoders 1447Pavlos Giannakis
APIs & IPAs (API Discovery) San FranciscoUSDevs 1440Marc Cuva
PHP Mexico México CityMXDevelopers 1438David Flores
Tech 'n' Drinks MünchenDEMitglieder 1416Katharina vdV
Microsoft Developers UAE Meetup DubaiAEMicrosoft Developers 1402Ovais Mehboob Ahmed Khan
Kolamba Cloud Meetup ColomboLKCloud Fanatics 1401WSO2
LA Startups Los AngelesUSEntrepredoers 1399Paul
YulDev MontréalCADev 1399Daniel LeBlanc
Codeup San AntonioUSMembers 1391Codeup
Nashville PHP NashvilleUSPHP Developers 1379Ben Ramsey
Vienna WordPress Meetup ViennaATPeople 1379WordPress
PHP Meetup NairobiKEPHPers 1376Chencha Jacob
Kanpur WordPress Meetup KanpurINWordPress Enthusiasts 1368WordPress
Localhost PER PerthAUPeeps 1364Zare Zarev
Python in Korea SeoulKRGeeks 1353Eric Kim Hoik
OC Tech Startup IrvineUSMembers 1350Shervin Talieh
Indore Web & Mobile Developers Meetup IndoreINWeb Magicians 1344Vinesh Sandoria
CodeHub Bristol BristolGBMembers 1338Katja Durrani
PHP Baires Buenos AiresARphperos 1335Christopher Chancé
Cape Town PHP Group Cape TownZADevelopers 1321Ian Barnes
Delhi Hackathon Meetup DelhiINMembers 1317Vignesh Ramesh
SFDUG - San Francisco Drupal Users group San FranciscoUSDrupal users 1302John Faber
Brisbane Web Tech BrisbaneAUWeb Tech Developers 1301John Christian
DC Area Drupal Meetup Group WashingtonUSDrupalers 1298Karl Kaufmann
Full Stack Meetup Budapest BudapestHUMembers 1297Zoltan Szasz
Charleston Technology Group CharlestonUSTechnologists 1297Adam Romer
Chicago Drupal Meet Up Group ChicagoUSPeople interested in Drupal 1295Matthew Lechleider
The jQuery Boston Meetup Group BostonUSMembers 1286Alessandra Rosenberg
San Diego PHP San DiegoUSSDPHP Members 1278John Congdon
WordPress Cairo CairoEGCairo WordPressers 1273WordPress
EPAM Tech Talks | Open meetups KyivUATeams 1264EPAM Ukraine
Graduate Developer Community LondonGBDevelopers 1263Barry Cranford
WordPress Paris ParisFRwapuu 1259WordPress
Tiempo Development. Technology Meetup in Guadalajara. GuadalajaraMXDevelopers and Testers 1253Tiempo Development
Java Geeks -Riyadh RiyadhSAGeeks 1249Hithem
NYC Tech Recruiters New YorkUSMembers 1242Rebecca Sealfon
Junior Developers Singapore SingaporeSGMembers 1240Michael Cheng
Ladies of Code Paris ParisFRLadies of Code 1236Angie Maguire
Women Who Code Santiago SantiagoCLCoders 1235Women Who Code
Pune Entrepreneurs and Startups Group PuneINMembers 1232Nevil
Toronto Software Development Meetup TorontoCAMembers 1224John Lilly