Sunil Pai @threepointone.bsky.social Javascript and Les Pauls. Building http://partykit.io/
Domenic Ravita @domenic.bsky.social Data & AI Infrastructure | Teradata | Past: Plotly, CockroachDB, SingleStoreDB, memSQL, TIBCO, AgentWare, S1 Corp, Accenture | NCStateEngr | Musician | PackMensSoccer
Jim Calabro ♟️ @calabro.io Engineer @ Bluesky
I love computers!
Markus Zapke-Gründemann @keimlink.bsky.social 🐍 Software engineer (Python & Django)
☁️ AWS Cloud Architect
🏔️ Alpinist
⚔️🎲 War/board games enthusiast
🎬 Cineast
🫛🧀 Vegetarian
📚History buff
Michael Ummels (Trassenfinder) @ummels.de Eisenbahn und so.
#TeamZugbubble #SchoeneBahn #FensterAuf #Verkehrswende #Autokorrektur #mdRzA
Sebastian Haas 🇪🇺 @seb.haas.partners data, policy | impact entrepreneur | covering soil and landscape‑scale agrobiodiversity
1st 🇪🇺 data altruism organisation for land use data registered
Marko Bajlovic @marko.tech pragmatic, progressive, multidisciplinary creative, data scientist & full stack dev. occasional avid beach goer. always learning.
🔗 https://marko.tech 🏠 https://startyparty.dev
Jan Böhmermann 🤨 (Parody) @janboehm.bsky.social 🇪🇺 // JOIN ME ON MASTODON: https://edi.social/@janboehm // @ZDF Magazin Royale 🦠/ fest & flauschig @Spotify / hotline +49 30 959997666 / ❤️✊️😉 / boehmermann.de
Damon Cortesi @dacort.velocipig.com Trapped in a Python container. Building Spark on K8s Infra. Founder and CTO expat.
Seattle // In the woods
https://dacort.xyz
Peter Hicks @poggs.com Director of OpenTrainTimes, vaccinator, phlebotomist, vegan, considerate cyclist, Open Data advocate, Dad-joke teller, cat and Italian Greyhound lap provider. Probably contains Java.
As seen on TV. Also not a goose. Or pipe smoker.
Paul Hünermund @p-hunermund.com Professor of Empirical Economics & Data Science at TU Munich | Heilbronn Data Science Center (HDSC) | Co-founder of causalscience.org
http://www.p-hunermund.com
Markus Winand @winand.at SQL Renaissance Ambassador. Author, Trainer, Coach. PhD in Common Sense. Creator of http://use-the-index-luke.com and http://modern-sql.com.
Stefan F. Keller @sfkeller.bsky.social Prof. Data Engineering and GISTech, FH OST Rapperswil. Director Institute for Software. Data Scout and Enabler - Formerly "Open Whatever"! mastodon.social/@sfkeller
bpb.de @bpb.de Bundeszentrale für politische Bildung/bpb. Unser Auftrag seit 1952: Demokratie stärken - Zivilgesellschaft fördern. Ihr habt Fragen zu Politik & Gesellschaft? Wir antworten: hier oder info@bpb.de // bpb.de
Ilja @fubits.dev Lead Frontend Archeologist @ B2B
🧡 @svelte.dev ambassador
🔗 https://fubits.dev
📍 Co-host https://svelte-berlin.de
David Humphrey @humphd.bsky.social Walking in the woods. Coding in the browser.
Protomaps @protomaps.com The world in a file. Open source!
more: https://protomaps.com
GitHub: https://github.com/protomaps
posts by @bdon.org
Will Quinn @willquinnart.bsky.social librarian and illustrator.
will post later, too sleepy
My shop: https://www.willquinnart.com/shop/prints
Mads Toftum @q42.bsky.social $dayjob is AWS / DevOps / infosec related
Apache Software Foundation Member (part of root@ many moons ago)
Free time spent on photography and cooking.
@quasi42 in the twitters
@q42 on Flickr.
Dirk Eddelbuettel @eddelbuettel.com Code, Data, Analysis, Teaching, Running, Breadmaking ... https://dirk.eddelbuettel.com
"God doesn't know, and the devil isn't telling." xkcd.com/2867/
Pirmin Kalberer @implgeo.bsky.social Open Source GIS developer and co-founder of Sourcepole 🇨🇭.
#rust programmer, #paragliding, #railway tours.
Mapterhorn @mapterhorn.com Public terrain tiles for interactive web map visualizations
https://mapterhorn.com
https://github.com/mapterhorn
Josh Baker @tidwall.bsky.social https://tile38.com | https://github.com/tidwall | https://tidwall.com
David Calavera @calavera.dev I enjoy reading lots of books, and building open source tools for 🦀 developers.
I hope you like dogs.
Niki Schmölz @nikischmoelz.bsky.social Leidenschaft für nachhaltige #Mobilität und die #ZukunftBahn🚉 #TRAINfluencer | Chefredakteur Eisenbahn.Blog | Netzwerker & PR-Stratege 👨💻
nicornk @renkamp.de 
Zoey (she/her) @zoeykaiser.com 💻 zoeykaiser.com
🚀 Building https://sidebase.io
🎤 Hosting https://meetup.com/hamburg-vue-js-meetup
📍 Hamburg, Germany
Lindsay Clark @datadictum.bsky.social Reporter @theregister.com covering enterprise applications, databases and analytics. Also, a bit of science here and there. Many former lives.
Jörg Schmidt @joschkos.bsky.social BI Consultant, MS Data Platform, Power BI, Excel-DNA
Adam Marcus @marcua.net Hummus, people, and data. Co-Founder & CTO of B12. Previously Locu, MIT CSAIL. He/him.
https://marcua.net/
Queens is the future.
Cloudflare Developers @cloudflare-dev.bsky.social 
Haralampos Gavriilidis @harrygav.bsky.social Database Systems Researcher at ICSI / UC Berkeley NetSys. Working on Federated Query Processing and Database Systems Interoperability. http://www.harrygav.com
Jess Martin @jessmart.in 🛠 Tools for a better tomorrow
🧠 Architect-philosopher
💼 Building https://lifebuild.me
🏠 https://jessmart.in
📍Fuquay-Varina, NC
Jan Lehnardt @janl.bsky.narrativ.es 25 years on the web.
Makes CouchDB, PouchDB & #offlinefirst.
CEO at @bsky.neighbourhood.ie.
ASF Member & CouchDB PMC Chair.
Made JSConf EU, Greenkeeper, Hoodie, Mustache.js.
Dissatisfied with the status-quo.
Soft Boy. Likes birds, bikes & bees.
Aaron Boodman @aaronboodman.com CEO rocicorp.dev. Building replicache.dev and zerosync.dev, raising two great kids, trying to be a better person. Also found at http://aaronboodman.com.
Rasmus Andersson @rsms.me Working on Playbit https://playb.it/ . Designer of Figma, Inter, Spotify. Software painter. https://rsms.me/
Anselm Eickhoff @anselm.io Thinking about code & design. Play is the only humane form of work. Founder of @garden.co - creator of Citybound & @jazz.tools
Lennart Fahnenmüller @lennydunord.bsky.social 🚄 Tipps, Tricks und Meinung zur Eisenbahn 🇪🇺 im Herzen 🌻 Grüne Harburg-Land und Mitglied LAG Mobiliät ⚽ Effzeh 🐐
(Ja, ich finde du solltest da mit dem Zug hin fahren.)
he/him
Ernest Post @monkchips.com analyst, developer-friendly
black cats, small plates, natural wine
london, east
he, him
Apache Arrow @arrow.apache.org Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics.
Find more at https://arrow.apache.org/
Marcus Paradies @marcusparadies.bsky.social Prof. for database systems @LMU. Interested in database systems and modern storage technologies.
Jake Lazaroff @jakelazaroff.com nyc-based programmer and designer. alum @recurse.com. public transit enjoyer. azzajew. thoughts on local-first software, atproto, javascript frameworks, web components, css and other web minutiae.
🌐 https://jakelazaroff.com
Zane Selvans @zaneselvans.org Data Liberation Engineer @catalyst.coop. Climate, energy, bikes, cities, co-ops, and the strangeness of Our Modern Age. A former space explorer, now lost in the misty highlands of Mexico.
https://amateurearthling.org
🇺🇸/🇲🇽 he/él
Catalyst Cooperative @catalyst.coop We help #climate advocates, policymakers, & researchers working on the #EnergyTransition by liberating #OpenData about the US energy system using #Python based #DataEngineering
We're also a worker cooperative.
https://github.com/catalyst-cooperative
Peter Boncz @peterabcz.bsky.social Professor Analytical Data Systems @cwi_da and @VUamsterdam.
researcher, systems architect, educator, entrepreneur
James Snell @jasnell.me #FDJT.
He/Him
JavaScript In Depth - https://www.manning.com/books/javascript-in-depth
Twonks @twonks.bsky.social Cartoons and comics by Steve Nelson.
Manager: michael.krell@sixteenth.com
https://linktr.ee/twonkscomics
Xiangpeng Hao @xiangpeng.systems Database/storage
Flight/DataFusion/Arrow/Parquet
PhD student@UW-Madison
https://xiangpeng.systems
Mathew Lowry @mathewlowry.eurosky.social Australian in Brussels. Info architect, innovation, knowledge, community & content strategist.
All the Stuff I Like, Think & Do: https://myhub.ai/@mathewlowry/
Samuel @samuel.fm human puppet for claude @ bluesky
📍 the posting mines
Eurosky Sebastian @sebastian.eurosky.social Co-Lead @eurosky.social | Creator of the 3rd party Bluesky apps Flashes @flashes.blue, Skeets @skeetsapp.com & Bluescreen @bluescreen.blue
Jens Comiotto-Mayer @coma.social A music lover, vinyl enthusiast, guitar player, street photographer, whisky maniac and caffeine junkie. On the verge of becoming an audiophile esoteric.
www: https://coma.photography
🤎☠️🤍 #fcsp
Tyler Fisher @tylerjfisher.com Founder, @euphonos.studio. Stop doomscrolling with @sill.social. Watch good NBA games with heatcheck.site. Used to work for a bunch of news orgs.
Lapsed Philadelphian in 🇳🇱.
Ted Han★ 韓聖安 @knowtheory.net ATProto Community Fund; ATmosphereconf Coorganizer
DocumentCloud, Mozilla Rally and Mozilla.Social. Former AAJA board member.
pfp by @montoulieu.dev's gameboy
Boris @bmann.ca Web tinkerer. Pooling capital and collaboration.
What if we made things a little bit better?
Graze Social @graze.social Own your algorithm.
👉 https://graze.social/
⚙️ Need product support? Skip the DMs: https://tinyurl.com/3hcabn8v
✨ Building something cool? Join us on Discord: https://discord.gg/Y6UkgsFx4D
Joe Basser @joebasser.com Anti-tech-bro tech-bro.
@sprk.so
@atmosphere.money
nyc
Nathalie Van Raemdonck @nathalievanraemdonck.com Social media networks and social norms, freshly minted PhD from Brussels University (VUB). Belgian living in Barcelona, internet night crawler, STS
Johannes @kuehlewindt.com radicle.xyz, #rustlang, #decentralized, #localfirst, #Berlin
He/Him
Paul Fuxjäger @cypherhippie.bsky.social Worked in academia for a while, mostly on interference mitigation in open communication systems.
Now it's time for some more hands-on action.
Main account on ActivityPub/Mastodon:
https://chaos.social/@cypherhippie
Ethan Holz @ethanholz.com Research Software Engineer
Professionally building better infrastructure for molecular software.
Thoughts my own
Colorado based
Johannes Schickling @schickling.dev Building a local-first music app overtone.pro with @livestore.dev. Host @localfirst.fm. DX Effect. Founded @prisma.io. schickling.dev
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
Paul Frazee @pfrazee.com CTO at Bluesky. Not a nerd.
Taras Glek @taras.glek.net LLMs, system programming
https://taras.glek.net 
Micah Wylde @micahw.com Co-founder arroyo.dev, building next-gen streaming systems. Prev Splunk, Lyft, Sift, Quantcast.
Jove Zhong @jove95.bsky.social data streaming
Arne Semsrott @arnesemsrott.bsky.social @FragDenStaat.de, @Freiheitsfonds.de
Data Explorer @datasetexplorer.bsky.social High-quality datasets designed to spark ideas, solve problems, and drive innovation. Fresh data added all the time for your AI projects, research, or curiosity. Let’s turn raw numbers into real impact 🚀
opendata.swiss @opendataswiss.bsky.social We're on a mission to enhance #transparency, foster #participation, and stimulate #innovation across all sectors of society by disseminating #OGD in 🇨🇭
🤖 Portal: https://opendata.swiss/
🏠 Geschäfstelle/Secrétariat OGD: https://www.bfs.admin.ch/ogd
Clemens Vasters @clemens.vasters.com Football. Cloud. Tech. Politics. Pictures. Airplanes. Taycan. Messaging. Eventing. CNCF. Stream Processing. Standardization. Open Source. Principal Architect on Microsoft Azure & Microsoft Fabric product teams. Borussia Mönchengladbach. #avgeek
Dylan Moe @blacktheta.bsky.social Programmer at Amazon, working on VRP optimization in Middle Mile.
Björn Linder @bjoernlinder.bsky.social CTO @ New Work SE
Jasper @raedisch.net Developer from Hamburg, Germany
Building https://divepool.social
Ricardo Cino @cino.io AWS Community Builder | Senior Solution Software Engineer @PostNL | 7x AWS Certified
Ted Conbeer @tedconbeer.bsky.social Data Pro in Boulder, CO. Created http://sqlfmt.com and http://harlequin.sh
localfirst.fm @localfirst.fm A podcast about local-first software development. Hosted by @schickling.dev.
rmoff 🏃♂️🫖🥓 @rmoff.net Shitposting & Memes.
Data & Stuff.
#dataBS #trailrunning
✍️ https://rmoff.net 🔗 https://rmoff.info
(DMs closed because of stupid UK age verification requirements).
AHOY! European Social Web Day 2025 in Hamburg @handle.invalid Social media is worth fixing - and you can help! We're bringing together early adaptors from 12+ countries to push for a European social web #atproto #bluesky
Join us on 24th of April in Hamburg, Germany. https://ahoy.eu
Allianz pro Schiene @allianz-pro-schiene.de Das Bündnis zur Förderung und Verbesserung des umweltfreundlichen und sicheren Schienenverkehrs.🚊💚
#Schiene #Verkehrswende #Verkehrspolitik
Impressum & Datenschutz ⬇️
https://www.allianz-pro-schiene.de/
Learning DuckDB @learningduckdb.com Learn DuckDB by example: https://learningduckdb.com
Get your dose of DuckDB tips, SQL tricks, and links to learn more about the swiss knife of analytical databases.
Jits @jits.dev Full-stack product engineer (TypeScript, Python, Ruby). Lifelong learner. Aspiring music producer.
Pursuing mastery and peace. Caring about how things fit together, and making things work.
jits.dev • FullStacks.dev • Releases.news
Nathan Flurry 🔩 @nathanflurry.com building https://git.new/rivet (yc w23)
dms open
Hugging Face @hf.co The AI community building the future! 
nichoth @nichoth.com https://nichoth.com/
https://github.com/nichoth/
Babak Tourani @babak-t.bsky.social Father to Lilly the Ragdoll | a nonbeliever in humans or Gods | Minimalism is my drug, especially in audio form | I deal with databases and data tools for money | former TV/Radio presenter & Basketball coach | have been figuring it out for a very long time
chrles @winterhart.bsky.social SWE by day 🌞 working on https://evidence.studio
Builder by night 🌙 working on https://farfa.tech
https://chrles.cc Opinions are my own
Nathaniel Thompson @nathompson.bsky.social 🚅, ☕️, 🏗️🏠, 🫒, 🏔️ enjoyer. Hatching answers @motherduck.com. he/him
Joaquín Salvachúa @jsalvachua.bsky.social Professor at DIT-UPM
Making Data Spaces paradigm a reality. (Collaboration with GaiaX )
Enabling Data Economy via distributed Trust and Distributed data Governance . 
James Densmore @jamesdensmore.bsky.social Software Engineering and Data Leader @ HubSpot. O’Reilly author. Enjoyer of dogs and video games
Stuff I created:
https://www.amazon.com/dp/1492087831/
https://www.dataliftoff.com
Sibylle / Back-on-Track Switzerland @trainsetter.bsky.social #Trainsetter from Switzerland 🇨🇭On a mission to support ✨👬🚆👫🚊👭🚍✨ #CrossBorderRail #NightTrain #Nachtzug #ÖV #ÖPNV #ÖVlive #ZugStattFlug #Bahnzeit #ConnectingEurope #UX
🌜🛏️🚆🌍✅
🇪🇺 https://back-on-track.eu/
🇨🇭 https://back-on-track.eu/de/schweiz/
SQL Workbench @sql-workbench.com In-browser SQL Workbench for rapid prototyping of SQL queries & data visualizations.
Query local and remote CSV, JSON and Parquet data!
OwnStats.com - Self-hosted web analytics on AWS @ownstats.com Self-hosted web analytics on AWS
Lightning fast website statistics, for as many websites as you want, cheaper than all the SaaS solutions, while you own all the data.
https://ownstats.com
Ian Cook @ian.columnar.tech I work on Apache Arrow and obsess about interoperability and performance in data analytics systems
søren @sxren.social they/them
🏳️⚧️ rights are human rights.
software and data 💻❤️🔥.
🐍, 🦀, etc.
lives in 🇯🇵.
Felix Rieseberg @felixrieseberg.bsky.social Building Claude at @Anthropic, Co-maintainer @electronjs. Triathlete. Eats too much candy.
Jörg @realkachelmann.bsky.social Der Account @kachelmann auf Blue Sky ist Fake.
Ich nicht.
Gegen Rechts und Schwurbel aller Art. Für Wissenschaft und einen Mindestlohn, von dem man leben kann.
Spalten statt versöhnen. Was war? Das https://t.co/XHuyxVQYfW
Arnaud Sahuguet @sahuguet.bsky.social Technologist, entrepreneur, product manager.
🏃🏽♂️⚽️ 🇫🇷
💼 Bell Labs – Google – NYU – Cornell Tech – Gro Intelligence
🎓 Ecole Polytechnique – Ponts et Chaussées – UPenn 
Jonathon Belotti @jonathonbelotti.bsky.social Peeling back the layers @modal_labs. Previously data & ML platform @canva. dms open.