LifuX @lifux.bsky.social The cats are in charge, we just document it. 😼
Chaos is our specialty.
Global nonsense headquarters.
Buy Me a Coffee : https://buymeacoffee.com/lifux ☕🐾
Store : www.teepublic.com/user/lifux
Sam Cooper @sam-cooper.bsky.social Author of Kotlin Brain Teasers
https://pragprog.com/titles/kotlinbt
RocketMe Up I/O @rocketmeupio.bsky.social Building scalable, intelligent #ecosystems that enhance productivity and efficiency, using advanced #technology to transform #industries and streamline operations.
☎️ +212660010350
✉️ hello@rocketmeup.com
🌐 rocketmeup.com
📍 Marrakesh, Morocco 🇲🇦
Bruno Pedro @brunopedro.com Building an API Product: Design, implement, release, and maintain API products that meet user needs: https://a.co/d/dE6pQpK
Opinions expressed are solely my own and do not express the views or opinions of my employer.
Gabriel Archanjo @garchanjo.com Co-founder at @BotCity (YC W22)
OSS Maintainer at MarvinJ and Marvin
Computer Scientist, AI, Open Source
Darryl Ruggles @darryl-ruggles.cloud AWS Hero | Principal Cloud Solutions Architect @ Ciena
Serverless, Event-Driven Architecture, AWS, Kubernetes, Rust, Terraform, Security, DevOps, FinOps, MLOps, Maker
https://darryl-ruggles.cloud
https://www.linkedin.com/in/darryl-ruggles
Solidarity @solidarityx.bsky.social Devops, Full Stack Dev, Yoyos, Music, Animu, Homelabbing, Python ❤️
Augmenta iunera @license-token.com representative of iunera.com
#ai and #mcp fan!
Hunting crazy projects;
#java #python #angular;
#OpenSource #indiehacker ;
#Bigdata and #AI enthusiast;
loving #crypto and tokenization/#NFT use cases beyond art.
Disrupt #OSS: https://license-token.com
Steph @steph.slatesource.com Professional Software Developer, Wildlife enthusiast & founder of Slatesource
Portfolio: https://slatesource.com/s/103
Georgios Andrianakis @geoand86.bsky.social Principal Software @ Red Hat, working on Quarkus, Langchain4j and others
Toulouse JUG @toulousejug.bsky.social Java User Group de Toulouse
AssertJ @assertj.github.io Fluent testing assertions for Java and the JVM
Belgian Java User Group @bejug.bsky.social Java now, Java always :)
Paris JUG @parisjug.org The Paris Java User Group (Paris JUG) is a group based in France that meet every month to talk about Java Platform. http://parisjug.org
Official account of jfxcentral.com @jfxcentral.com JavaFX and the JavaFX Ecosystem
Dropwizard @dropwizard.bsky.social Dropwizard is a Java framework for developing ops-friendly, high-performance, RESTful web services.
Alpes JUG @alpesjug.bsky.social The Java User Group of the Northen French Alps in Grenoble
JavaBin @javabin.bsky.social The Norwegian Java User Group
Regional branches in Oslo, Bergen, Trondheim, Stavanger, Sandefjord, Grimstad, Tromsø, Sogn
java.no, javazone.no
Java User Group Switzerland @jugch.bsky.social Java User Group Switzerland aims at promoting the application of Java technology in Switzerland. We run events in Basel, Berne, Lucerne, St. Gallen, Zurich, and online.
javaMexico @javamexico.org The Mexican Java Community
JUG Berlin-Brandenburg @jugbb.bsky.social Meetups und Vorträge zu allem, was mit JVM und Java oder mit Softwareentwicklung allgemein zu tun hat...
https://jug-berlin-brandenburg.de
https://www.meetup.com/de-DE/jug-bb/
JUG Muenster @jugmuenster.bsky.social The Java User Group Münster (Germany)
Warszawa JUG @warszawa.jug.pl Java User Group in Warszawa, Poland. https://warszawa.jug.pl/
Amsterdam Java User Group @amsterdamjug.bsky.social 
Brabant JUG @brabantjug.nl Java User Group for the province of North-Brabant. Community for anyone interested in Java and Open Source in or around Brabant.
Portland Java User Group @pjug.bsky.social Portland Oregon
Boston Java Users ACM Chapter @bostonjavausers.bsky.social Formerly the New England Java Users Group (NEJUG). Visit us on Meetup to see upcoming events and to join: https://meetup.com/nejug1
JUG Noord @jugnoord.bsky.social Java User Group for the northern Dutch provinces with a focus on JVM languages such as Java and Kotlin. We'll be hosting events in both Friesland and Groningen.
Organisers: @johanhutting.bsky.social @paulienvanalst.bsky.social @lutskedev.bsky.social
@java-user-groups.bsky.social @java-user-groups.bsky.social 
Spring @spring.io 
NYJavaSIG @nyjavasig.bsky.social The NYJavaSIG, a Java user group based in the NY Metro area, brings together Java developers from the tri-state region and worldwide.
Jim Grisanzio @grisanzio.bsky.social Building FOSS Communities https://grisanzio.com/ #foss #opensource
Czech JUG @czjug.bsky.social Czech Java User Group
🌐 https://jug.cz/
📅 https://meetup.com/czjug-prague
Madrid JUG @madridjug.es Madrid Java User Group (MadridJUG) es un grupo de desarrolladores cuyo interés es compartir el conocimiento y realizar actividades en torno a Java y la JVM
NLJUG - Dutch Java User Group @nljug.bsky.social NLJUG, the Dutch Java User Group founded in 2003, unites software developers, architects, ICT managers, student, and partners interested in Java tech.
www.nljug.org
JReleaser @jreleaser.org JReleaser - The quick and effortless way to release projects! https://jreleaser.org
Hibernate @hibernate.org The Hibernate team behind the suite of open source Java libraries around domain models.
https://hibernate.org
https://in.relation.to
@hibernate (X/Twitter)
JChateau Unconference @jchateauunconf.bsky.social Official account of the JChateau Unconference, next edition is March 04th-08th 2026
LangChain4j @langchain4j.dev Effortlessly build LLM-powered applications in Java, including chatbots, agents, structured data extraction and RAG: https://github.com/langchain4j/langchain4j
Foojay, the Friends Of OpenJDK @foojay.io Foojay.io is the central resource for the Java community’s daily information needs, a place for friends of OpenJDK, and a community platform for the Java ecosystem — bringing together and helping Java professionals everywhere.
Arduino Libraries @arduinolibs.bsky.social 🤖💬 New releases in the Arduino Library Manager index ♾️📚️
🕙 Max 6 posts/h, 48h cooldown per lib
🐘 https://fosstodon.org/@arduinoLibs
maintained by @tobozo.bsky.social
#Arduino, #esp32, #rp2040, #esp8266, #stm32
Seattle Java User Group @seattlejug.bsky.social Java User Group of the Greater Seattle Area
https://meetup.com/seajug
https://seajug.org
https://twitter.com/seattlejug
https://fosstodon.org/@seattlejug
@scala-js.org @scala-js.org 
Spring Tools @springtools.bsky.social Spring Tools for Visual Studio Code, Cursor, Eclipse, and Theia: https://spring.io/tools
@java-champions.bsky.social @java-champions.bsky.social 
KotlinConf @kotlinconf.com KotlinConf is the premier event connecting professional developers and companies shaping the future with cutting-edge technologies. Brought to you by @jetbrains.com
kotlinconf.com
Kotlin Foundation @kotlinfoundation.org Protect, promote and advance the development of the Kotlin programming language. Learn more at kotlinfoundation.org
Kotlin Weekly @kotlinweekly.bsky.social Your weekly source of Kotlin News since 2016
Kotlin Fest 2024 @kotlinfest.dev 「Kotlinを愛でる」技術カンファレンス Kotlin Festの公式アカウントです。
Website → https://kotlinfest.dev
Contact → https://kotlinfest.dev/contact
Scalar Conference @scalar-conf.com Save the date 26-27 March 2026 and see you in Warsaw Poland!
Organized by @softwaremill.com x VirtusLab
#scalarconf
OWASP® Foundation @owasp.org We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide. Famous for OWASP Top 10
Apache Log4j (Logging Services) @handle.invalid Official account of the Apache Logging Services team. We maintain Log4j, Log4cxx, Log4net, Flume, and other components.
Raúl Barroso @raulb.dev Engineer @ Supabase // prev Heroku & Vizuality
🚀 Always be shipping.
https://raulb.dev/about
Stéphane Nicoll @snicoll.be Proud husband. Software engineer. Working on the Spring team since 2014. Spring Framework, Spring Boot, https://start.spring.io. He/Him. snicoll.be
Víctor Orozco @tuxtor.bsky.social Java Champion, Oracle ACE Pro, I like to code
Cay Horstmann @horstmann.com Nothing to see here...keep moving! Specifically, to Mastodon: https://foojay.social/@cayhorstmann
Ludo @ludoch.bsky.social Java, Google, App Engine, Cloud Run, PaaS, Developers.
9ième, Pigalle, SOPI, Vallée de Silicone, SF.
Jonathan Giles @jonathangiles.net Principal Java Architect for libraries at Microsoft and a Java Champion. Previous: Consulting Member of Technical Staff on Java at Oracle/Sun Microsystems.
@bercut2000.bsky.social @bercut2000.bsky.social 
Emily Jiang @emilyjiang.bsky.social Java Champion, Book Author, MicroProfile Guru, Jakarta EE supporter
Edwin Derks @edwinderks.bsky.social Java Champion | Architect | Writer | Speaker | Contributor for Jakarta EE and MicroProfile | Car Maniac | Extreme Dance & Metal Music Fan |
Michael Minella @michaelminella.com Husband, Father, Director at Broadcom responsible for @spring.io, a Java Champion, curmudgeon on OffHeap, author, photographer, maker. Thoughts are my own. (he/him)
Nacho Cougil @icougil.bsky.social Founder of @BarcelonaJUG | Cofounder of @devbcn.bsky.social | Java Champion | Principal Software Engineer at @dynatrace |
Java & JVM stuff, forensics, irony & more
Maurice Naftalin @mauricenaftalin.bsky.social 
Jean Bisutti @jeanbisutti.bsky.social Consultant | Java champion | QuickPerf author | Java Monitoring & Performance | OpenTelemetry contributor | Speaker
Mary Grygleski @mgrygles.bsky.social 
Jorge Sánchez (xurxodev) @xurxodev.com Saber crear software de calidad te da libertad.
Escribo historias, consejos y experiencias.
https://xurxodev.com/libros
https://xurxodev.com/estudio-comunidad-xurxodev/
Alfonso² Peterssen @mukel.bsky.social github.com/mukel
JCON Conference @jcon.one Java Community Conferences - in-person.
linktr.ee/jcon_conference
Imprint, privacy policy: http://jcon.one
OpenJDK @openjdk.org The place to collaborate on an open-source implementation of the Java Platform and related projects · https://openjdk.org
JUG Hannover @jughannover.bsky.social Java User Group Hannover, Germany
𝕏 https://x.com/jugHannover
🐘 https://ijug.social/@jughannover
📆 https://www.meetup.com/de-DE/java-user-group-hannover/
Christian Grobmeier @grobmeier.de Java Champion & ASF VP Data Privacy. I write and speak about code, ethics, and what it means to build systems that last.
Logging Off? https://grobmeier.de
Holly Cummins @hollycummins.com @IBM - Senior Principal Software Engineer, working on Quarkus. Java Champion, developer, author, #cloud surfer and maker. My views are my own.
Julien Ponge @julien.ponge.org Software enthusiast | Scientist | #JavaChampions | Personal account, not the views of my employers | I will not discuss much politics here
https://julien.ponge.org/
Michael Vitz @michael.vitz.me Java Champion working as Senior Consultant at INNOQ
@mehmandarov.bsky.social @mehmandarov.bsky.social This account is not in use. Follow me at @rustam.no instead.
Clement Escoffier @cescoffier.bsky.social Quarkus project co-lead. @Redhat Distinguished Engineer @IBM. Java Champion. #quarkus #vertx #smallrye. Rabbit shepherd. Opinions are mine, not of my employer.
Falk Sippach @sippsack.bsky.social Software architect @embarced, organizer @JUG_DA, @CyberLandConf, @iSAQB, @SpeaKonf, @devsonthestage, member of @Java_Champions
@jocosti.bsky.social @jocosti.bsky.social 
Bill Burke @handle.invalid Web dev. Farmer. Tipperary. Bullocks. Bees. Bad weather. 🇺🇦🇵🇸
Daniel Bryant @danielbryantuk.com Platform Engineer and PMM at Syntasso | News/Podcast at InfoQ | Web 2.0 coder, platform engineer, Java Champion, CS PhD | cloud/K8s, APIs, IPAs, running | learner/teacher
javapapo @javapapo.bsky.social Dad, Java die hard, Pythonic, podcaster, amateur baker, ex-judoka, gamer /aviation/ F1 enthusiast. blog.javapapo.com / badguys.fm
Romain Guy @romainguy.dev Photography (https://curious-creature.com), Blog (https://romainguy.dev). In the past: Engineering Director, Android Toolkit team at Google.
Stephan Janssen @stephanjanssen.be Founder @Devoxx.com Devoxx4kids, BeJUG and DevoxxGenie | Co-founder @Voxxed.com, VoxxedDays - Founder JCS int. acquired by RealDolmen ('02) : See also @ https://stephanjanssen.be
https://grokipedia.com/page/Stephan_Janssen
Jacek Laskowski @books.japila.pl Freelance Data(bricks) Engineer • Databricks MVP • #ApacheSpark #MLflow #DeltaLake #UnityCatalog #Databricks #Python #uv • Java Champion • ASF member • he/him
Into #LLMOps #MLOps #GenAI
https://www.linkedin.com/in/jaceklaskowski
Ondro Mihályi @ondromih.bsky.social Java enthusiast. Director at @omnifish.bsky.social. @CZJUG.bsky.social lead. @Java-Champions.bsky.social. @JakartaEE.bsky.social committer. All opinions my own.
Harshad Oak @harshadoak.bsky.social tech, science, software, startups, reform, rationalism...
twitter.com/harshadoak
HarshadOak.com
Bruce Tate @redrapids.bsky.social Founder Groxio for teaching Elixir; Author of Seven Languages in Seven Weeks, Gold looper. Follow for learning Elixir and programming languages. 
Kresten Krab Thorup @drkrab.bsky.social 
Dick Wall @dickwall.bsky.social Beer, Bikes, Buffett
Antón @anton.galiglobal.com Senior Software Engineer who's enthusiastic with data systems, agentic engineering and programming 🦀. Plus, I'm a big fan of reducing my carbon footprint 🌱
Jean Michel Doudoux @jmdoudoux.bsky.social Java Champion, didacticiel Java et Eclipse, Ju Jitsu et arts martiaux, Delphi, modélisme et figurines
Enrique @chochosmx.bsky.social Bassist, programmer, dad. CDMX.
David Bock @bokmann87.bsky.social