Caltrain @caltrain.com Welcome to the Official Bluesky account for Caltrain. We provide news, info & answers. Follow @caltrainalerts.bsky.social for service delays. π
SFMTA (Official) @sfmta.com The SFMTA is responsible for the management of all ground transportation in the city and has oversight over the Muni public transit, as well as bicycling, paratransit, parking, traffic, walking, and taxis. Visit @muni.sfmta.com for real-time service alerts
SF Bay Ferry @sfbayferry.com The best way to cross the Bay. sanfranciscobayferry.com 
511 CCTA @511.ccta.ca.gov 511 CCTA is a program of the Contra Costa Transportation Authority. We offer alternatives to driving alone to reduce traffic congestion & help air quality. Incentives are provided to encourage changes in commuting habits. https://511.ccta.ca.gov
BART Alert @alerts.bart.gov Automated alerts from @bart.gov.
Download the BART Watch App to report suspicious or criminal activity. For non-emergency needs you can text BART PD at 510-200-0992.
MTC Bay Area @mtcbata.bsky.social Official account for the Metropolitan Transportation Commission.
We plan in order to keep the Bay Area moving
ππππ²πΈβ΄
https://mtc.one/bio
SamTrans @samtrans.com The official Bluesky account for SamTrans. Call 1-800-660-4287 for Customer Service.
AC Transit @rideact.bsky.social Moving our East Bay community for over 60 years π actransit.org
Anna Bower @annabower.bsky.social Just asking questions.
Senior Editor, Lawfaremedia.org.
Send story ideas and tips to anna.bower@lawfaremedia.org
Learn Dirt @learndirt.bsky.social π± Grow Food π Heal the Planet
π For gardeners learning to grow regeneratively β»οΈ
π FREE knowledge + community on our website! βοΈ
https://learndirt.com/
BART @bart.gov This is the official account for BART. We provide train service throughout the San Francisco Bay Area and connect people to places they love.
For automated service updates go to @alerts.bart.gov
Visit us at bart.gov ππ
Pete Gadomski @gadom.ski Geospatial open source @developmentseed.org
https://github.com/gadomski
https://www.gadom.ski/
Alex @wildintellect.com Geospatial Data Engineer/Scientist Phd, Technologist, Photographer doing Open Source, Open Data, Open Science. @developmentseed.org
Pirmin Kalberer @implgeo.bsky.social Open Source GIS developer and co-founder of Sourcepole π¨π.
#rust programmer, #paragliding, #railway tours.
Jeroen Ticheler @ticheler.net Besides everything geospatial @GeoCat, I love traveling, carpentry, overlanding, analytical psychology, walk, work and live outside.
Stephan MeiΓl @stephan.meissl.name free and open source software, open data, maps, space, entrepreneurish, at @eox.at, skiing, climbing, occasionally Sherlock
Volker Mische @vmx.cx Geo, offline/local first, decentralized web. Head of Geospatial at the IPFS Foundation. Making Noise https://github.com/pipedown/noise. Previously Protocol Labs, Couchbase. I'm bridged to ActivityPub via https://fed.brid.gy/bsky/vmx.cx
Barry R @geospacedman.bsky.social @geospacedman@mastodon.social is my preferred work-related social media, this here is mostly personal and cultural stuff. Don't follow expecting maps.
Robbi Bishop-Taylor π°οΈπ @satellitesci.bsky.social Coastal Earth Observation Scientist from Canberra, Australia. Using satellite remote sensing π°οΈ, open-source geospatial ππΊοΈ, Python + R π§βπ» and dataviz π¨ to map the earth through space + time... π
π @endlessstud.io Exploring the overlap of science, art, data and randomness.
Building geospatial software Β· data narratives Β· creative coding
In my previous life I was an archaeologist Β· GZ
Christoph Rieke @chrieke.bsky.social geo. space. tech. geopolitics.
Zsolt Ero @hyperknot.com Building https://openfreemap.org and http://maphub.net
Writing on http://blog.hyperknot.com
Loves paragliding
Sean Lynch @techniq.dev π οΈ Creator of LayerChart, LayerStack and Svelte UX
𧑠Svelte ambassador
π¨βπΌ Founding Engineer @ Zipline AI
π¨βπ» Fullstack dev w/ Frontend & DataViz specialties
πΎ Network/Systems engineer in a prior life
Utkarsh Tomar @handle.invalid Data Scientist & AI/ML Developer | Passionate about sports and numbers
Eric Theise @erictheise.com Performance cartographer, experimental filmmaker, software engineer; reader & writer, eater & drinker. A Synesthete's Atlas is my maps-as-expanded-cinema project, collaborating w/improvising musicians.
https://linktr.ee/erictheise
Martin Fleischmann @martinfleischmann.net Researcher. Cities, urban morphology, human geography & spatial data science. Open source software developer. #python #cities #open_science
https://martinfleischmann.net
Tristan Damron @geocml.com Founder of The geoCML Project // Posts are my own // Portland, OR π²
GIS is for the people πβοΈ
geocml.com
Carrie Adair @carrieis.bsky.social GIS Geek β’ Cartographer working in the post wildfire landscape.
Marco Wolsza @maawoo.bsky.social π PhD student @ University of Jena
π Earth Observation, SAR, Savanna Ecosystems
π Open Software, Data & Science
Abel VΓ‘zquez Montoro @abelvm.bsky.social Geospatial problems solver.
All my stuff is posted using farm-to-table WiFi, free-range 5G or locally-sourced Ethernet.
Specialization is for insects.
nimbi.es
Julio Novoa @julionovoa.ca 
Luis Veci @luisveci.bsky.social SNAP and the Sentinel-1 Toolbox -- Open Data, Open Source, Open Science
https://www.linkedin.com/in/luis-veci
Staff Software Engineer @SkyWatchAppsπ°
Every Pixel In One Place
milos makes maps @milos-makes-maps.bsky.social I paint the world with #rstats and teach you how to unleash your inner #map artist. Join my map adventures and tutorials now:
https://youtube.com/@milos-makes-maps
Rafael H. M. Pereira π‘ Urban Demographics @urbandemog.bsky.social Researcher Ipea Brazil | Visiting prof @geo_uoft | PhD @TSUOxford | Structured procrastination on Cities, Urban mobility, Accessibility, Equity, Data science, R. About: www.urbandemographics.org/
Ricardo Barros LourenΓ§o @rblourenco.bsky.social Applied Research Scientist at PUC-Rio π§π· | AI4Science Β· Geospatial ML Β· Climate | Comms Editor, @envdatascience.bsky.social (@universitypress.cambridge.org) | ex-IBM Research Β· ex-Banco do Brasil | Fulbright-CAPES BSMP Scholar
Alejandro @alejo-coca.fosstodon.org.ap.brid.gy Research Fellow, The Alan Turing Institute | PhD #geography | Building disruptive tech #machinelearning #earthsciences tools with social impact #openscience | [β¦]
[bridged from https://fosstodon.org/@alejo_coca on the fediverse by https://fed.brid.gy/ ]
Scott Hosking @scotthosking.bsky.social Director in Environment and AI Research | @theturing.bsky.social
scotthosking.com
James Boxall π¨π¦π @jamesgis.bsky.social Geography/GIS educator FRCGS FRGS ClimateSci | Adj.Prof. Dalhousie Marine Affairs Program | QE2PlatMedal |Semple GeogEd Award Apoplectic vs. adorable Shot 67. Addicted to books, CBCIdeas & Space COYI WHU I Shake a lot Parkinsons.ca Miβkmaβki (Nova Scotia)
barqueira @lbarqueira.bsky.social Data Viz & Creative Coding enthusiast. Ex-Dell & Siemens. MSc, Electrical & Computer Eng. Also Digital Creator & Welsh Corgi β€οΈ
Blog: http://lbarqueira.github.io/
OSGeo @osgeo.fosstodon.org.ap.brid.gy The Open Source Geospatial Foundation is a not-for-profit organization whose mission is to foster global adoption of open geospatial technology by being an inclusive [β¦]
π bridged from β https://fosstodon.org/@osgeo, follow @ap.brid.gy to interact
HagollEO @hagolleo.bsky.social Researcher @cesbio lab, where we watch π± grow with π°οΈ
Engineer @CNES, the French Space Agency
On Mastodon : @ohagolle@fediscience.org
Optical #remotesensing, #Sentinel2, atmospheric correction and βοΈ masking. πΉπ²
Views are my own
Morgan Crowley, PhD @morganahcrowley.bsky.social Forest Fire Research Scientist with Canadian Forest Service π₯π²π³ and the WildFireSat mission ππ° π‘ | Advancing how we use satellites to monitor fires and their impacts | Woman in Remote Sensing | Mother in Science π»π©βπ»π©βπ¬π§ͺ | she/hers | celiac | ππ΅πΆπβοΈ | π¨π¦πΊπΈ
Lawrence#Geospatial @lawrencespatial.bsky.social Geospatial Developer | Tech stack - Vue JS, Openlayers, Geemap, Python | Talk about #geospatial #gis #dataviz #earthengine #geopython #gischat #FOSS
John Bryant @johnwbryant.bsky.social Open source geospatial enthusiast consulting and training with QGIS, PostGIS, and other tech.
Principal consultant at https://mammothgeospatial.com
Canadian π¨π¦, Australian π¦πΊ. Based in Fremantle.
Hamid Dashti @hdashti.bsky.social UW Madison, postdoc in remote sensing and Earth system modeling.
Natalie Wickenkamp @nataliewick.bsky.social Vector-borne disease ecologist
PhD candidate at CSU | Duke MSc-GH alum
Bats π¦ & Mosquitoes π¦
James Milner @jameslmilner.com Staff Engineer, open source fan, hacking on geospatial in my spare time. Lives in London
Heather Reese @heatherreese.bsky.social Assoc Prof in remote sensing and GIS, Univ of Gothenburg, Sweden.
#drones, #UAV, #EarthObservation, #EO, #satellites, #vegetation change, #permafrost, #peatlands, #subarctic, #mountains, #geospatial
Stefan Haselberger @biogeomorph.bsky.social geoscientist | alpine biogeomorphology | paraglacial adjustment | primary succession | science communication
more on: researchgate.net/profile/Stefan-Haselberger
Xavi Ruiz @xruiztru.bsky.social International Relations and History π β’ Founder of The World in Maps β’ Here, I post maps and graphs about how the world works and how it once was ππ
Postholer - Hiking & GIS @postholer.com GIS, Interactive & Printed Trail Maps, Data Books, Trip Planners, Snow, Wildfires, Gear Lists, Open Source, GDAL Evangelist. https://www.postholer.com, https://cloudnativemaps.com, https://femafhz.com
Sasmita Sahoo, PhD ππ°οΈ @sasgeo.bsky.social Founder & CEO @earthbytelab.bsky.social
#scientist #geospatial #remotesensing #earthobservation #mappingearth #googleearthengine
Michael Davidson @michaeldavidson.bsky.social Assoc prof in policy and engineering at UC San Diego. Decarbonizing worldβs toughest grids @ Power Transformation Lab. pwrlab.org
Daniel Silk @dwsilk.bsky.social Geospatial Product Owner at ToitΕ« Te Whenua LINZ
πͺ£ s3://nz-imagery | s3://nz-elevation
π https://basemaps.linz.govt.nz/
π https://osgeo-oceania.org/ | https://2025.foss4g.org/
Chris Holmes @opencholmes.bsky.social Working towards a Cloud-Native Geospatial future, through involvement in GeoParquet, Planet Labs, Taylor Geospatial Engine, Fiboa, STAC & Source Cooperative.
Peter @petercblack.bsky.social Musician (https://shorturl.at/oUoXC), Soccer Ref, Husband, Dad, game dev, Brother, Geographer, Geospatial Applications and Products, Non fiction reader.
I made these sites:
www.realbloc.com
www.wtfmap.com a daily dot map game
www.defensibleapp.com
Stella Agu @adaezehs.bsky.social Geographer and Geospatial professional! Interested in all things GIS and Remote Sensing. Transit planning, Maps, indoors positioning system.
Blue Si @zylyz.bsky.social GeoMeetup Organizer and author of Python for ArcGIS Pro
Hao XIA | ε€ζ΅© @haoxia.bsky.social Conservation Geographer @uni-hamburg.de. Land system scienceποΈ | Conservation scienceπΌ | Protected areaποΈ | Spatial analysisπ°οΈ
JΓ©rΓ©my Garniaux @mapper.fr Geographer, cartographer & developer for the open science in archaeology. PhD candidate in digital prehistory (is that a thing?). I run https://mapstodon.space, the Mastodon instance for the map mob.
[ fr - en - es ] β’ https://mapper.fr
Daniel Plauba @palubad.bsky.social Postdoctoral researcher in Earth Observation @ Charles University, Prague, Czechia | SAR | Time Series | π³π²Forests | Machine Learning | π Capacity Building | π΄πΌπ
Geotribu @geotribu.bsky.social French and main website: https://geotribu.fr
English blog: https://blog.geotribu.net/
#OSGeo #FOSS4G #opensource #GIS #GeoRDP #QChat
Steve (TheSteve0) Pousty @thesteve0.bsky.social 
Jody Garnett @jodygarnett.bsky.social A mapish developer working at GeoCat. Active with the OSGeo and LocationTech communities working on a wide range of free and open source geospatial goodness!
Julian Simioni @juliansimioni.bsky.social Founder Geocode Earth. I may share a geocoding fact or maybe a photo from a bike ride.
Dr. FlΓ‘via Mendesπ³π°οΈ @flaviamendes.bsky.social Remote Sensing expert @planetlabs #forestπ³ #LUC #carbon #supplychain | Geospatial Rising Star 2022 | @GoogleDeveloperExpert #EarthEngine, co-founder of geoinclusion and member of @rsategroup #earthobservation #Amazon #Cerrado
Dr Karen Joyce @drkjoyce.bsky.social ππ°οΈ #Earthobservation #remotesensing #geospatial #dronemapping | Co-founder She Maps and GeoNadir | Assoc/Prof JCU | she/her |πhttps://linktr.ee/drkjoyce
Niklas Jordan @niklasjordan.com Geologist, working on safer communities.
π₯ #ClimateRisks, #NaturalHazards & #DRR
π #FloodRisk Management
π°οΈ #EarthObservation & #GIS
β οΈ #RiskComm
π¨ Volunteer in Danish Emergency Service ( #GreySky )
Also in π, β΅οΈ, π and π¨βπΎ. π©πͺ in π©π°.
π niklasjordan.com
Valerio Marsocci @valeriomarsocci.bsky.social ππ±
trying to make Geospatial Foundation Models work
Research Fellow at @ESA PhiLab
Previously at @KULeuven, @Cnam
PhD in Data Science at @Sapienza
website: https://sites.google.com/uniroma1.it/valeriomarsocci
#AI4EO #GeoAI #SSL4EO
lebellig @lebellig.bsky.social Postdoc @INRIA, Ockham team, on generative models.
Previously intern @SonyCSL, @Ircam, @INRIA
π Personal website: https://lebellig.github.io/
Yuru Jia @yurujia.bsky.social PhD candidate | Self-supervised DL | Earth Observation | Generative AI |
EarthByte Lab @earthbytelab.bsky.social earthbytelab.com
Founder & CEO @sasgeo.bsky.social
#geospatial #remotesensing #earthobservation #datascience #earthengine
Marko Kallio @mkkallio.bsky.social Research scientist at Aalto University, interested in environmental modelling, hydrology, #Mekong, data scarcity, spatial analysis. In my spare time I'm a cartographer. And at other times, a #randonneur.
Eddie Pickle @eddiepickle.bsky.social Geography. Tech. Open Source. FedGeoDay!
Yannis Kalfas @kalfasyan.bsky.social Deep Learning | Remote Sensing
PhD in Bioscience Engineering
βοΈ cloud segmentation π land surface classification
@ VITO, Belgium
πͺπΊ LCFM project
π¬π· -> πΈπͺ -> π§πͺ
Guido Stein βπ @geoguido.bsky.social I'm a geospatial technologist trying to make the world a better place by bringing people together.
Matt Duckham @duckham.org Academic: Professor at RMIT University, GIScience, spatial algorithms, AI, and databases, ontologies http://gkl.rmit.melbourne
Author: GIS 3e http://gisacp.duckham.org
Me: gender equity, wheelchair user, food, new music
Tek Kshetri @iamtekson.bsky.social Geospatial and Earth Observation Researcher π
OSGeo Nepal
pierotofy @piero.dev Creator of WebODM, LibreTranslate, OpenSplat and a few others. piero.dev
Dr. Fred J. Calef III @mapperwocky.bsky.social Science Systems Engineer @NASA/JPL-Caltech. PhD in Geology. 30+ years Geospatial experience. PI for the FOSS4G Multi-Mission Geographic Information System (MMGIS https://github.com/NASA-AMMOS/MMGIS).
Not a NASA account.
Never met a rock I wouldnβt lick.
Kurt Schwehr @kurtschwehr.bsky.social he/him; Geospatial, Geology, Geophysics, Software Engineering, Open Source, Open Data, Proj, GDAL, Ocean Mapping, etc. Cofounder of Global Fishing Watch, Whale Alert, NOAA's Environmental Response Management Application (ERMA), NASA Ames Viz&StereoPipe
FrΓ©dΓ©ric Cantat @canfre.bsky.social Collaborative Innovation @IGNFrance.bsky.social π«π· | Chair of Commission 4 @EuroSDR πͺπΊ | ππΊοΈπ°οΈ #Innovation #OpenData #DataValuation #Commons | βοΈ=βοΈ
Euan Mitchell @mindovermagma.bsky.social Former academic geologist, now geospatial professional interested in all things Open Source and Earth Observation.
Living in Edinburgh, Scotland. Was MindOverMagma on Twitter and Mastodon and seeing what the geospatial community on here is like πΊοΈπ°οΈππ³
Julian Hoffmann Anton @julianhoffmann.bsky.social Spatial Data Scientist β’ Artist β’ Economist | #ClimateRisk #Dataviz #Maps #DigitalArt #3D in London | X: Julian_H0ffmann
Portfolio: https://www.julian-hoffmann-anton.com/
Muthu Kumar @muthukumarceg.bsky.social Co-founder at Geoawesome and Senior director, OGC
Open Source Geospatial Foundation @osgeo.bsky.social The OSGeo is a not-for-profit organization whose mission is to foster global adoption of open geospatial technology by being an inclusive software foundation devoted to an open philosophy and participatory community driven development.
OSGeo Oceania @osgeo-oceania.org Mission: Foster the growth of a vibrant open geospatial community in Oceania (and beyond).
Ragnar HeiΓ°ar Γrastarson @ragnarheidar.bsky.social Mapmaker, mountaineer and GIS Coordinator of the Icelandic Met Office. Open Source Geospatial all the way!
Currently sponsoring:
QGIS | OSGeo | Even Rouault
Pamela G @pamelagreen.bsky.social Water and Climate Scientist, python, gdal, spatialSQL, open source solutions, folklore and the fantastic
Opinions are mine alone
Michele Torresani @micheletorresani.bsky.social Vegetation, Forests, Biodiversity, Spatial ecology, Remote Sensing and climbing. Assistant professor at the Free University of Bolzano-Bozen
https://scholar.google.com/citations?user=A6LNYOYAAAAJ&hl=it&oi=ao
Tim Sutton @timlinux.bsky.social Honorary QGIS Project Steering Committee Member. Co-founder Kartoza.com. I like to share, to learn, to walk, animals, Linux, NixOS, all things geospatial.
Rencontres QGIS fr @rencontresqgisfr.bsky.social Rencontres utilisateurs francophones QGIS
French-speaking QGIS Users Meeting
#QGISFR #QGISFR2026
site: https://conf.qgis.osgeo.fr/
animΓ© par: @osgeofr.bsky.social
logiciel: https://qgis.org/fr/site/
Association OSGeo-fr @osgeofr.bsky.social OSGeo French local chapter
ReprΓ©sentation francophone de la fondation OSGeo
Organisatrice des #FOSS4GFR - #QGISFRUsersMeeting #QGISFR2025
site: https://www.osgeo.fr/
French-speaking QGIS Users Meeting : @rencontresqgisfr.bsky.social
Vicky Veritas @vickyveritas.bsky.social Born in the Anthropocene
Worked at the intersection of Geology and GIS
#Geosciences | #EarthScience | #Geology | #GIS | #Rocks | #TeamFluorite | #ScienceFiction | #Fantasy
Paul Ramsey @pwramsey.bsky.social Loving open source software, practicing the piano, moving things around, working @crunchydata.com
More at https://blog.cleverelephant.ca
Michele Tobias, PhD @micheletobias.bsky.social California Beach Biogeography & Geomorphology, Geospatial Data Science, Cartography, Open Source, UC Davis Library's keeper of the maps she/her
OSGeo FOSS4G #gischat #maptimeDavis
Michal Migurski @mike.teczno.com Oakland, Maps, Bikes, etc. Also @migurski@mastodon.social and formerly @migurski on the birdsite. 
Qiusheng Wu @giswqs.bsky.social Associate Professor @UTKnoxville | Amazon Scholar | Creator of #geemap & #leafmap | Talk about #Geospatial #GeoPython #DataViz #GIS #FOSS #EarthEngine
Ian Dees @iandees.bsky.social St Paul, Maps, Data.