Tomas Latal @tomaslatal.cz Developer, dancing between 1's and 0's, addicted to coffee, @elmlang and clean code.
Local-First Conf @localfirstconf.com Connect with a rapidly-growing Local-First community. Join us for our third edition 12-14th of July 2026 in Berlin. www.localfirstconf.com
Oxide Computer Company @oxide.computer The cloud you own. https://oxide.computer/bio
Will @willdot.net Software engineer. Mainly Go. Fascinated by distributed systems.
See here for my ramblings as I explore the atmosphere: https://leaflet.pub/p/willdot.net
Me and yaml indentation are enemies.
I only ship to prod on Fridays.
Evan Jarrett @evan.jarrett.net DevOps Engineer.
Working on @atcr.io
#kubernetes #homelab enthusiast
Husband of @jarrett.mom
North TX 💙
Paweł Grzybek @pawelgrzybek.com I’m a software developer from Poland living in Northampton, UK. I’m a web standards enthusiast, accessibility advocate, and simplicity guardian. The guy behind the NN1 Dev Club meetup. After-hours hip hop head, funky records collector, and photographer.
@dev.zilahi.fi @dev.zilahi.fi Working in the edge-cutting VR/XR industry, leading teams to success. Also, living in Finland, and enjoying it.
Engineering Lead @ Varjo, Helsinki
also at @richie.zilahi.fi, and I am behind bettertori.fi too.
Dandelion @dandelion.events Find and host soulful · regenerative · metamodern · participatory · conscious · transformative · holistic · ethical events and co-created gatherings · https://dandelion.events
Gülçin Yıldırım J. @apatheticmagpie.bsky.social Postgres, books and more.
“For most of history, anonymous was a woman.”
Determinate Systems @determinate.systems Bringing Nix ❄️ to the enterprise to empower fearless software delivery 💪 https://determinate.systems
daniel holmgren 🫠 (@ ietf 126) @dholms.at just trying to build a little network we can all hang out in
head of protocol @ bsky 🌅
Kata Containers @katacontainers.io #KataContainers is an open source project delivering the security of VMs with the speed of containers katacontainers.io
Supported by @OpenInfra.org
Duncan Jones (aka Merrion) (he/him) @duncanjonesmerrion.bsky.social Computer programmer with interest in CQRS and event sourcing and green technologies. (especially #HempCrete and #heatpumps)
Living in Dublin, Ireland.
Tóg go bog é
Profile picture: Photo of me and a small black dog in the cab of a MF150 tractor
Adam Jacob @adamhjk.me CEO of System Initiative, Co-Founder of Chef. Open source. Heavy metal and music. Comics. @adamhjk on Twitter, @adamhjk@hachyderm.io on Masotodon. 
Charity Majors @charity.wtf cofounder/CTO @honeycombio, co-author of Observability Engineering and Database Reliability Engineering. I test in production and so do you. 🐝🏳️🌈🦄
Phil Calçado @philcalcado.com Headed engineering for companies w/ either millions of users but no revenue or millions in revenue but no users.
Sean Cribbs @seancribbs.bsky.social Husband, Cat Daddy, BBQueueing theorist, distsys geek, KC soccer fan, foodie, musician, holder of things. he/him/his “3 Seans make a right”
Opinions are my own, not that of my employer
🐘 https://hachyderm.io/seancribbs
📹 https://youtube.com/@seancribbs
Dragan Stepanović @dstepanovic.bsky.social Trying hard not to think about small batches, bottlenecks, and systems. In the meantime: XP, ToC, Lean, Systems Thinking.
Carlo Zottmann @zottmann.dev He/him. Human. #WokeAF
Indie dev from Flensburg, Europe 🇪🇺. Building productivity-related #macOS & #iOS Shortcuts tools @ https://actions.work (@actions.work)
IT'S YA BOI: https://c.zottmann.dev
Mastodon: https://norden.social/@czottmann
puppy @duckinator.bsky.social a pile of small dogs in a meaty land vessel • KC1QGV • they/them
prone to creating technological cognitohazards
making music again
member of Gem Coop's Project Leadership Committee
#rustlang, #rubylang, #pythonlang, #cprogramming
Obie Fernandez @obiefernandez.bsky.social the one and only
Martin Kleppmann @martin.kleppmann.com Associate Professor at @cst.cam.ac.uk, researching decentralised systems and security protocols. Advisor to the Bluesky team. Wrote “Designing Data-Intensive Applications” (O’Reilly). he/him
Vestimir @vestimir.bsky.social Maker/Artist/Passenger
why's foxes — conf guestbook @whysfoxes.bsky.social The official unofficial #RubyLang #conference #guestbook for why’s Poignant Guide to #Ruby — now with more foxes and 🥓 chunky bacon.
Where #Rubyists scribble, foxes frolic, and code is never quite what you expect.
Sync from https://ruby.social/@whysfoxes
Carmen Huidobro @hola-soy-milk.online She/her | Latina in 🇦🇹
Carmenh.dev
CTO. I build products and help teams keep things respectful of users, even as systems get complex.
Teaching code, free at https://badwebsite.club with @jesslynnrose.bsky.social
[ˈkaɾ.men w̝iˈð̞o.β̞ɾo]
🏳️🌈
#blacklivesmatter
Andrew Gallant @burntsushi.net I love to code.
https://burntsushi.net
ZaufanaTrzeciaStrona.pl @zaufana3strona.bsky.social Spowiedź bezpieczeństwa AD 2026 - poznaj sekrety moich zabezpieczeń: https://z3s.pl/spowiedz
Ethan Marcotte @ethanmarcotte.com designer, writer, roommate to two kittens. here’s my website: https://ethanmarcotte.com/
I think you deserve a union, and I wrote a book about that: https://youdeserveatechunion.com/
hi friend
Matt Kane @mk.gg 🚀 Astro core team 🧡 Frameworks and dev tools at Cloudflare
Building EmDash, Unpic, Cirrus. @ascorbic in most other places
Sequoia @sequoia.pub Publish evergreen content to the ATmosphere
sequoia.pub
Peter Boling 🌹🧬⚛️ @galtzo.com AI is my sidekiq; Suppletive beatnik on Ruby since 2005. Full-time maintainer of gems: oauth, oauth2, dynamoid, flag_shih_tzu, ruby-openid, sanitize_email, omniauth-identity, seed_migration, appraisal2, rspec-stubbed_env, & more
Ethan Holz @ethanholz.com Research Software Engineer
Professionally building better infrastructure for molecular software.
Thoughts my own
Colorado based
Jim Calabro ♟️ @calabro.io Engineer @ Bluesky
I love computers!
Eric @esb.lol Chicago • Bluesky team
Andrey Sitnik @en.sitnik.es The creator of PostCSS. I write about Barcelona, Local-First, kinky events, languages, and crazy facts from Wikipedia.
https://sitnik.es
Russian: @ru.sitnik.es
Ex-life: https://twitter.com/andreysitnik https://twitter.com/sitnikcode
Vlad-Stefan Harbuz 🌸 @vlad.website Protecting the Open Source infrastructure the world depends on.
https://vlad.website
✸ @stewardshiplab.org Executive Director
※ @opensourcepledge.com Director
※ @endowment.dev Adviser
※ Univ Edinburgh Philosophy PhD Researcher
Manton Reece @manton.org Founder of Micro.blog.
Feross @feross.bsky.social 🧙♂️ Mad scientist • ✨ Founder + CEO @Socket.dev (http://socket.dev) •🌲 Stanford lecturer (http://cs253.stanford.edu) • ❤️ Open source at WebTorrent + StandardJS
Ender Ahmet Yurt @enderahmetyurt.com 👨💻 Software Developer
🌐 https://enderahmetyurt.com
📍Ünye/Ordu
Javier Cervantes @jvrc.ca I'm an entrepreneur/software engineer working as a consultant to help builders and founders use the power of technology to grow their businesses.
- jvrc.ca
- graywolf.co
- rubyforum.org
Matt Blewitt @matt.blwt.io Erstwhile SRE, database person, human.
https://matt.blwt.io
Set.Studio @set.studio Design partners for brands that adapt fast and thrive. Our smart, low-risk approach keeps you ahead with strategic, high-impact design.
https://set.studio
Chris Pardy @chris.pardy.family Dad of 2, lifelong learner, I build stuff, mostly software.
Director of Engineering at Newfire Global Partners
He/Him pronouns.
Felix Geisendörfer @felixge.de Working at Datadog on Go Profiling, Performance, OpenTelemetry and more.
Before:
- Manufacturing Observability at Apple
- Co-founder at Transloadit
- Node.js Core Dev
Ivo Anjo @ivoanjo.bsky.social Working on building a Ruby profiler @datadoghq.com //
Previously @awscloud.bsky.social codeguru profiler team //
I like ruby, kotlin and poking the jvm 😁
Jason Long @jasonlong.me product design @ planetscale · ex-github · vim enjoyer
jasonlong.me
Andras Bacsai @heyandras.dev Entrepreneur, 2 x dad, 💜 OSS & simplicity.
- https://ideas.coollabs.io - share your ideas worth building
- https://coollabs.io
- https://coolify.io
- https://jean.build
Joe Beda @h.olysh.it Out of retirement to be CTO @ Stacklok. Did k8s, GCE, gtalk and IE. Figuring shit out. Protect Trans kids 🏳️⚧️. Seattle. Signal: jbeda.99 he/him
kiki @chiara.codes coding witch. 
Padding Labs @paddinglabs.com Padding Labs develops @margin.at, @marque.at, and @locale.at, open AT Protocol apps.
Founded by @scanash.com
Protobase @protobase.at Give your users a home on the Atmosphere. We'll handle the heavy lifting. Managed PDS infrastructure for your brand.
🚧 Work in progress, by @socialde.pt
Listifications @listifications.app Follow me to receive notifications via DM whenever you're added to a starter pack, block list, feed or when someone blocks your account.
Follow @unsub.blocks.listifications.app to opt out of direct block notifications.
Erlend Sogge Heggen @erlend.sh Open Source Practitioner, bullish on kindness.
https://erlend.sh – about me
@roomy.space – make space
Mark Erikson @acemarke.dev Redux maintainer, building time-travel devtools at Replay.io. I blog about React, Redux, and TS at https://blog.isquaredsoftware.com . Answering questions anywhere there's a textbox on the internet, and otherwise out on the golf course!
Sherif EA @sherif.eurosky.social Tech can be better.
Co-founder & co-lead @eurosky.social
British, Egyptian, with a French connection
Sifa ID https://sifa.id/p/sherif.eurosky.social
Russ Olsen @russolsen.bsky.social Engineer, reader, believer in numbers, author of Eloquent Ruby, Getting Clojure, Design Patterns in Ruby and Overdrive.
He, him
Brandon Weaver @baweaver.bsky.social Senior Staff Eng at Amazon / One Medical, Ruby Central board member, Neurodivergence Advocate. Autistic / ADHD / Depression, He / Him. I'm the Lemur guy. Living and working somewhere about SF, writing on baweaver.com
Kagi HQ @kagi.com Privacy-respecting search, browser and products that put you first. No ads. No trackers. Ever. https://kagi.com/
Julian Cheal @juliancheal.dev Quaffer of fine coffee. Aficionado of tweed.
Maker of musics https://soundcloud.com/juliancheal
Crafter of codes
Helping fix the climate with https://www.protect.earth/
Matouš Borák @bora.ma Keeping our never-finished #RubyOnRails code running. 1-day-a-week therapist, dad of 2, loves hiking with them and riding his kickbike. he/him. Mostly dev-related stuff here. 🌍 Prague, Czechia.
David Aerne @meodai.bsky.social Self-employed Design & Interaction Developer at Elastiq Ltd.
Independent researcher exploring color perception, palette tools, and interface design through prototyping.
Mike McQuaid @mikemcquaid.com I'm CTPO at Administrate, Homebrew Project Leader, ex-GitHub Principal Engineer, author of Git in Practice and an OSS and developer productivity leader.
Posting mostly automated from mikemcquaid.com.
If you want me to read your reply: email me instead.
Sandi Metz @sandimetz.bsky.social Cyclist, Rubyist, author (http://99bottlesofoop.com and http://poodr.com), obsessive programmer, recalcitrant blogger and the antidote for ambition.
Konstantin @iamkonstantin.eu I make apps and stuff. he/him 🖖 🐾 🔭 🇪🇺 🇧🇪 🏳️🌈
Cats 😻, apps, local-first, FOSS, IoT, Music
https://flowvi.be
Rik Schennink @rikschennink.com Solopreneur • Founder Pqina • Maker of Pintura and FilePond • Web enthusiast • Loves Bouldering • https://pqina.nl
Boris Cherny @bcherny.bsky.social 
Nicole Sullivan @nicolesullivan.bsky.social WebKit Engineering Manager at Apple. Ex-Google Chrome, ex-NPM. OOCSS, CSSLint. CSSConf founder, speaker. Climber 🧗, knitter, disabled zebra. Probably riding the hobby carousel 🎠. 🏳️🌈 she/her @stubbornella on Twitter
Chris Hasinski @kris.cdaction.pl 
Justin Malčić @malcic.codes Rubyist in London malcic.codes 🏳️🌈 🇫🇷🇩🇪🇮🇹
Oğulcan Girginç @ogirginc.bsky.social Ruby & Rails ❤️
Ryan @helixgrid.bsky.social Ruby dev
Jakob @jakob.codefrwd.com Legal-Data Plumber using #ruby, love to post about programming, emoji, visual arts, some ml - and my orange cat Felix
Olga Borzenko @olga-b.bsky.social Software Engineer
Adam Kucharski @adamjkucharski.bsky.social Epidemiologist/mathematician. Professor at London School of Hygiene & Tropical Medicine. Author of The Rules of Contagion and The Perfect Bet. Views own.
New book Proof: The Uncertain Science of Certainty available now: proof.kucharski.io
Andrea Carratta @devandreacarratta.it Backend developer and speaker. I write about coding, cloud, IaC and building software that lasts. 25+ years in tech, 20+ talks and 55 marathons of persistence.
Silvia Uberti @ladybiss.it Ops @37signals, introvert, nerd, humanist, pianist, silence lover and proud southpaw. Sometimes anti-social, always anti-fascist.
Kelsey Hightower @kelseyhightower.com Minimalist
Franck Delache @franck.isalazy.dev Staff dev @ Shopify
Seldomly blogs at Franck.IsALazy.dev
Gardener when the weather is nice
Dancer at night
Justin Bowen @tonsoffun.bsky.social Rubyist with a decade of AI and computer vision experience. Building @activeagents.ai
Josh from Honeybadger @joshuawood.honeybadger.io @honeybadger.io co-founder 🧡
@joshuawood.net worksonified🕴️
Blog: https://joshuawood.net ✍️
Podcast: @founder.quest 🎙️
Developer-first monitoring and observability. 📈
Jim Remsik @jremsikjr.bsky.social Genuinely desire success in those around you and do what you can to make it happen.
Founder of Flagrant a software design & development consultancy.
https://www.beflagrant.com
He/him
Andrew White @pixeltrix.bsky.social CTO @unboxed.co
Peter Cooper @cooperx86.bsky.social GitHub user #118, programming, LLMs, 3D printing, and piano https://peterc.org/
Roy Tomeij @roy.io Founder · Operator · Advisor · Investor | https://roytomeij.com | Board member @AppSignal.com
Radan @radan.dev Software developer, RubyZG organizer, Author of http://masterhotwire.com, Runner, Dog Owner, Father (in increasing order of importance). Website: https://radan.dev/
Josef Strzibny @strzibny.name Indie hacking tendencies. Author of Deployment from Scratch and Kamal Handbook.
Stephen @diaconou.com Ruby dev. https://github.com/stevegeek, https://beta.gem.coop/@stephen, https://index.rubygems.org/profiles/stevegeek
André Arko @indirect.io thought misleader at cuberule.com
tired of saying https://actually.men
community gem server at https://gem.coop
ruby tools and consulting at https://spinel.coop
Flashes App 🌩️ @flashes.blue A photo viewing client for u from the creator of @skeetsapp.com & @bluescreen.blue
iOS: https://t1p.de/b3o4x
Android: Not available yet
❓ FAQS: https://t1p.de/24kj0
🐞 Bug Reports: https://t1p.de/phwii
💡 Feature Requests: https://t1p.de/8tmnc
booldog @booldog.bsky.social Context cowboy. AI long before it was cool. Rubyist.
Sometimes bad German puns.
Yuri Alekseev @imyuribtw.bsky.social 
Alejandro AR @kinduff.com Web Dev. Color writer. Fire Starter. Rational Pessimist. I'm crazy slap-happy and I'm scrappy when I'm nappy. Poeta tramposo.
Home @ kinduff.com
Bridgy Fed for the fediverse @ap.brid.gy Bridgy Fed (https://fed.brid.gy/) bot user for the fediverse. To bridge your account to the fediverse, follow this account.
To ask a fediverse user to bridge their account, send their address (eg @user@instance) to this account in a chat message.
More i…
ScrivenerApp @scrivenerapp.bsky.social Scrivener for macOS, Windows and iOS. The best-selling writing app containing everything you need to craft your first draft.
Discover Scrivener and Writing Resources here: https://bit.ly/ScrivenerApp_ResourceHub
John Whiteside @whiteside.io Software Engineer from Michigan. Building @atexplore.social and @mackinac.social. Tinkering with the AT Protocol
Updates: @now.whiteside.io
Signal: whiteside.io/signal
whiteside.io • atexplore.social • mackinac.social
AT Explore @atexplore.social Explore the Open Social Web.
atexplore.social
MCP Server: mcp.atexplore.social
built by @whiteside.io
Alessandro Rodi @coorasse.bsky.social Ruby on Rails Engineer, Open Source contributor, Co-owner of Renuo, Father of two.
https://coorasse.com
Fabio @sang.io fiercely independent software consultant
fervent believer in life before death
childfree
lesser half of @ladybiss.it
🇪🇺
blogging at sang.io
shortening urls at lovli.fyi
Jeroen ✦ 129→ @jeroen.wtf UX Engineer. Design Systems, HTML, CSS, JavaScript, and Ruby on Rails. Mechanical keyboard builder extraordinaire.
𝔰𝔱𝔯𝔞𝔱𝔬𝔫𝔞𝔲𝔱 — https://links.jeroen.wtf/