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.
Vaadin @vaadin.com The Open-Source Web App Platform for Java Developers
Create modern full-stack web apps at lightning speed with first-party support. Scale from hobby projects to business solutions.
Brian Goetz @briangoetz.bsky.social Java Language Architect at Oracle. Author, Java Concurrency in Practice (http://amzn.to/2nzZnkl). Also, cats.
@java-champions.bsky.social @java-champions.bsky.social 
Josh Cummings @jzheaux.bsky.social I love juggling and Spring Security.
Voxxed @voxxed.com Sharing expert knowledge on Java, JVM, Methodology, Cloud, Mobile & Future tech. Follow us for tutorials, presentations and interviews.
Cloud Native Computing Foundation (CNCF) @cncf.io Making cloud native ubiquitous
Spring AI @spring-ai.bsky.social An Application Framework for AI Engineering.
Spring AI addresses the fundamental challenge of AI integration: Connecting your enterprise Data and APIs with the AI Models.
QCon @qconferences.com Uncover emerging trends and practices from the world’s most innovative software professionals to help you validate your software roadmap. Celebrating 20+ years. Learn more about our conferences at QConferences.com and InfoQ.com.
🔗 linktr.ee/qconferences
Spring I/O @springio.net A two-day conference full of Spring awesomeness in Barcelona. +1300 attendees. Next edition: 13-15 April 2026
Organized by @sergialmar.com
Asciidoctor Project @asciidoctor.org A comprehensive and user-friendly publishing toolchain for the AsciiDoc writing format. Converts AsciiDoc to HTML5, DocBook, PDF, EPUB3, and other formats.
https://asciidoctor.org
https://docs.asciidoctor.org
https://chat.asciidoctor.org
Oracle ACE Program @oracleace.bsky.social Recognizing the community for their contributions. Learn more about the ACE Program @ http://ace.oracle.com
Jfokus @jfokus.se Jfokus is all about developers!
Check out the conference: http://www.jfokus.se
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)
European Commission @ec.europa.eu News and information from the European Commission. Social media and data protection policy: http://europa.eu/!MnfFmT
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
Mary Grygleski @mgrygles.bsky.social 
Maciej Walkowiak @maciejwalkowiak.bsky.social 
Thorben Janssen @thjanssen123.bsky.social I'm a freelance consultant and trainer helping Java developers create better persistence layers using Hibernate and Spring Data.
Co-organizer JUG Paderborn
https://thorben-janssen.com
https://thorben-janssen.com/join-persistence-hub/
Ursula von der Leyen @vonderleyen.ec.europa.eu President of the @ec.europa.eu
Mother of seven. Brussels-born. European by heart. 🇪🇺
Jim Grisanzio @grisanzio.bsky.social Building FOSS Communities https://grisanzio.com/ #foss #opensource
Cay Horstmann @horstmann.com Nothing to see here...keep moving! Specifically, to Mastodon: https://foojay.social/@cayhorstmann
Java @java-devs.bsky.social Exploring the power of Java—one bytecode at a time. 🔥
Joshua Bloch @joshbloch.bsky.social Effective Java author, API Designer, CMU Prof, Swell guy.
Arjen Poutsma @poutsma.bsky.social Former Spring Framework committer, now writing Call of Cthulhu scenarios.
Tadaya Tsuyukubo @ttddyy.net Author: DataSource Micrometer, datasource-proxy, r2dbc-proxy
X/Twitter: @ttddyy
Manning Publications @manning.com We publish tech books and other things too.
Heinz Kabutz 🏝 🇬🇷 🇿🇦 ☕️ @heinzkabutz.com Author of mildly entertaining and somewhat useful #Java Specialists’ Newsletter. Email is heinz at javaspecialists dot eu.
JEP Tracker @jeptracker.bsky.social Diligently tracking and posting any @openjdk.org JEP updates.
Built by @hardcoding.fr on https://github.com/PerfectSlayer/openjdk-jep-bsky. Feedback welcome!
Devoxx Belgium @devoxx.com Devoxx Belgium 2026 : 5 - 9 October in Antwerp
Devoxx UK @devoxx.uk A Developer Community Conference
PostgreSQL @postgresql.org PostgreSQL - The world's most advanced Open Source Database
sbanas.bsky.social @sbanas.bsky.social Senior Java Developer | Author of The Art of Code | Speaker
Kotlin by JetBrains @kotlinlang.org Kotlin is a programming language that makes coding concise, cross-platform, and fun — https://kotlinlang.org/
Video tutorials http://kotl.in/video
News http://kotl.in/news
Community discussions http://kotl.in/slack
Venkat Subramaniam @venkats.bsky.social Programmer, author, speaker, founder Agile Developer, Inc., co-founder of @dev2next Conference, professor @CSatUH
Virtual Java User Group @virtualjug.bsky.social Hi from VirtualJUG (vJUG), the world's first online-only Java User Group. Join us, and the best Java experts in the community!
JobRunr @jobrunr.bsky.social An easy way to perform background #job #processing in #java. Distributed and backed by persistent storage. Open-source and free for commercial use.
Ivar Grimstad @theguywiththeduketattoo.com Java Champion | Jakarta EE Developer Advocate | The guy with the Duke tattoo
https://jakarta.ee/community/developer-advocate/
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.
CrAIg Walls @habuma.com Java Champion / Alexa Champion / Author of “Spring AI in Action”, “Spring in Action” & “Build Talking Apps for Alexa”/ Disney Parks Fanatic/ tabletop games player.
https://www.habuma.com
@javachampions.bsky.social @javachampions.bsky.social 
GraalVM @graalvm.org GraalVM compiles your applications ahead of time into native executables that start instantly, scale fast, and use fewer resources 🚀
OpenJDK @openjdk.org The place to collaborate on an open-source implementation of the Java Platform and related projects · https://openjdk.org
Mark Reinhold @mreinhold.org Chief Architect, Java Platform Group, Oracle · Views are my own · https://mreinhold.org
Laur Spilca @laurspilca.bsky.social A #java guy. Pacifist 🕊
JCON Conference @jcon.one Java Community Conferences - in-person.
linktr.ee/jcon_conference
Imprint, privacy policy: http://jcon.one
Azul @azulsystems.bsky.social Azul provides the world's most trusted Java platform, founded on open source and delivered by the world's largest independent Java engineering team, and is the only company 100% focused on Java.
Rafael del Nero @rafadelnero.bsky.social 🚀 Mentoring worldwide #Java developers to work with cutting-edge, have more family-time and earn top salaries
🏅 @Java_Champions | Speaker | Book Author
🎯 ®@JavaChallengers
Johan Vos @johanvos.bsky.social Java Champion, Gluon and LodgON.
co-lead OpenJFX, lead OpenJDK-Mobile . Java for science, Quantum Computing. PhD
Devnexus @devnexus.bsky.social THE LONGEST-RUNNING AND LARGEST JAVA CONFERENCE IN THE USA. MARCH 4-6, 2025 BE THE FIRST TO KNOW OUR NEWS https://atlj.ug/StayInformed https://devnexus.com/
IntelliJ IDEA, a JetBrains IDE @intellijidea.com IntelliJ IDEA – the Leading IDE for Professional Development in Java and Kotlin, by @jetbrains.com
Tips: #IntelliJIDEATips
New Features: #NewInIntelliJIDEA
Our YouTube channel: http://jb.gg/video
Marcus Hellberg @marcushellberg.dev Applied AI Researcher, Speaker, DevRel expert.
Java Champion.
VP of AI Research @vaadin.com
Jonatan Ivanov @jonatan-ivanov.bsky.social @micrometer.io and @spring.io maintainer, Spring Observability Team member, Open Sourcerer, Speaker, @seattlejug.bsky.social co-organizer, Java Champion
Oliver Drotbohm @odrotbohm.de Frameworks & Architecture in the Spring open source engineering team, all things Spring, Java, data, DDD, REST, software architecture, drums & music. He/him.
Moritz Halbritter @0.5ritter.de Putting bugs into Spring Boot since 2022.
Spring Boot team member | Lead of http://start.spring.io and Spring Initializr
More socials and info: https://mhalbritter.github.io/
Gluon @gluonhq.bsky.social Java Everywhere
Marit van Dijk @maritvandijk.bsky.social 💻 Software Developer | ☕🥑 Java Developer Advocate @ JetBrains | 🏆 Java Champion | 🎤 International Keynote Speaker | 👩💻 Pronouns: She/her
https://maritvandijk.com/
Thomas Vitale ☀️ @thomasvitale.com Software Engineer 📚 Author of “Cloud Native Spring in Action” 🛳️ CNCF Ambassador ☕️ Java Champion 🍃 Creator of @arconia.io for Spring Boot 🎙️ International Speaker 👨💻 OSS. Work with Java and Cloud Native.
Josh Long 🍃 @starbuxman.joshlong.com Spring Developer Advocate
Java Champion
Kotlin Google Dev Expert
https://YouTube.com/@coffeesoftware
https://github.com/joshlong
Bruno Borges @brunoborges.bsky.social Empowering developer communities.
Mark ⚡️Heckler @mkheck.bsky.social Computer scientist & MBA, pilot, inglés y español. Java Champion, Google Dev Expert in Kotlin, Rockstar presenter, author of Spring Boot: Up & Running. Ex Oracle, Pivotal, VMware, Microsoft, Moderne
Angular @angular.dev Deliver web apps with confidence 🚀
Alina Yurenko @alina-yurenko.bsky.social Ukrainian. Love tech, compilers, and open source. Developer Advocate for GraalVM at Oracle. Ambassador of snacks and not running.
Max Rydahl Andersen @maxandersen.xam.dk Quarkus co-lead - Distinguished Engineer, Red Hat. Creator of https://jbang.dev
JBang @jbang.dev Run Java code directly. Reuse Maven dependencies with ease. Download from http://jbang.dev/download/ or run curl -Ls http://sh.jbang.dev | bash -s - app
Stephen King @stephenking.bsky.social Writer
Adam Bien @adambien.blog AWS Hero, JavaONE Rockstar, Consultant, Java Champion
about: https://about.adam-bien.com
linkedin: https://www.linkedin.com/in/adam-bien
trainer: http://airhacks.live and http://airhacks.io
podcaster: http://airhacks.fm
yt: http://youtube.com/@bienadam
🥼 Piotr Przybył @piotrprz.bsky.social Software Gardener. Java Champion. Docker Captain. Edutainer. Speaker. Trainer. Художник. Honorary Bavarian. 👨💻👨🌾
#Java #Testcontainers #Linux #Programming
softwaregarden.dev
Views are mine, impressions are yours.
Nicolai Parlog @nipafx.dev Java enthusiast with a passion for learning and sharing. Developer Advocate at Oracle but views are my own.
Sharat (Shar) Chander - 🟦🌊 @sharatchander.bsky.social 🇺🇸🇨🇦 #DemocracyMatters | #DevRel |Previously at Oracle, Sun Microsystems, Verizon, & Bell Atlantic | University of Maryland (Undergrad) and Loyola University, Baltimore (MBA) | 70s rock, R&B, 80s alternative and Rap lover | Views mine