Jeff McKenna @mapserving
Co-founder of FOSS4G, Director of GatewayGeo, President Emeritus of OSGeo. Sharing maps with MapServer & MS4W, offering support-dev+generally having fun in life gatewaygeo.com Nova Scotia, Canada Joined April 2009-
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Wonderful to hear that #foss4g India will now become an annual event (after the success of last year's FOSS4G Asia event in Nashik). Follow at foss4g.in #family
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Congrats to the PROJ 9.9.0 release (that projection library that your spatial software relies on). News: proj.org/en/stable/news… #foss4g
#foss4g never sleeps: for your calendars, FOSS4G Hokkaido 2026, 28-29 November. Call for presentations at foss4g.hokkaido.jp/2026 #family
@sailor_malagis regarding no Sol Katz Award winner from mainland China yet, please always make sure to submit your nomination each year, as the selection committee votes on the nominations received. Thanks, for your #foss4g passion.
Announcing the immediate availability of the MapServer 8.6.6 security release. See details at mapserver.org/#recent-announ… (or see all recently published vulnerabilities at github.com/MapServer/MapS… ) #foss4g
Congratulations to Ian Turton as the recipient of the 2026 Sol Katz Award (the 22nd year of the award!) earlier today at #foss4g in Hiroshima, Japan, for all of his tireless community work with GeoTools and the Java ecosystem. cc drshannak.bsky.social
Fun run down #foss4g memory lane: using Thuban in early 2000's (before "Quantum GIS" came out). The website still exists!?! thuban.intevation.org
of interest to the #foss4g community...
The latest PostgreSQL Minors, and 19beta3, are now available. Get 'em while they're hot! postgresql.org/about/news/pos…
Happy 22nd birthday (yesterday) to OpenStreetMap, from the #foss4g community! 🎂
OpenStreetMapケーキ登場！ みんなで乾杯！転職ドラフトさん、株式会社 Cube Earth様さん。スポンサーありがとうございます！ #OpenStreetMap #osmjp
A big happy 43rd birthday to GRASS! The first user manual for (what would become) GRASS titled “GIS Version 1 Reference Manual” was published by J. Westervelt and M. O’Shea, on 29 July 1983. Read more at grasswiki.osgeo.org/wiki/GRASS_GIS… #foss4g #family
Jeff McKenna retweeted
🗳️ MapLibre Governing Board Election 2026 is open! Nominate Voting Members: github.com/maplibre/mapli… Run for the Board: github.com/maplibre/mapli… ⏳ Deadline: Aug 14, 2026 Details: github.com/maplibre/mapli… #maplibre #openstreetmap #foss4g #opensource
Announcing the immediate availability of the MapServer 8.6.5 security release. See details at mapserver.org/#recent-announ… (or see all recently published vulnerabilities at github.com/MapServer/MapS… ) #foss4g
Wishing a great event to #foss4g Italy that starts today at the University of Trento! 2026.foss4g.it
Happy 30th birthday to your favorite open database, PostgreSQL! (On July 8, 1996, Marc Fournier set up the first public repository of "POSTGRES" code, in CVS!) ...but the project history goes back even further. #foss4g
Wishing a happy birthday today to the late Martin Isenburg, paddling up to a #foss4g near you...
@mouthofmorrison @OSGeo thanks again @mouthofmorrison I've just reordered the GDAL shirt! (my old one lost its "G" in "GDAL" ha!). This is my favorite GDAL shirt. Thanks!
Note that we have not received any nominations yet (and also, that mailing list is heavily spammed, so if you do not receive a confirmation of your nomination, from a human like myself, then please re-submit your nomination after one week). thanks again.
Announcing the call for nominations for the 2026 Sol Katz Award. Please take some time to nominate & thank someone in the #foss4g community, see steps at wiki.osgeo.org/wiki/Sol_Katz_… (it's the 22nd year of the award!)
Qiusheng Wu @giswqs
54K Followers 4K Following Associate Professor @UTKGeography | @Amazon Scholar | Talk about #opensource #geospatial #dataviz #GeoAI
🥔🗺️ ᴘᴏᴋ... @pokateo_maps
29K Followers 3K Following po-KATE-o, first of her name, eater of potatoes 🥔 and maker of maps 🗺️. I make GIS (more) fun by sharing maptastic themes & original mappy memes! 🌐 ᵛᶦᵉʷˢᵐᶦⁿᵉ
Joe Morrison @mouthofmorrison
32K Followers 3K Following “Controversial industry figure” and General Manager of Remote Sensing at @umbraspace. Synthetic aperture radar - even more complicated than it sounds.
Kurt Menke - @geomenk... @geomenke
8K Followers 2K Following Danish Resident 🇩🇰 | @SeptimaDK | FOSS4G user/advocate/educator | Author: Discover QGIS 3.x 2nd Ed. | Co-author:QGIS for Hydrological Applications 2nd Ed.
Volodymyr Agafonkin �... @mourner
15K Followers 1K Following Engineer at @Mapbox, creator of @LeafletJS, open source enthusiast, algorithms geek, speaker, musician @obiymydoschu, baker, father of twin girls, Ukrainian
Paul Ramsey @pwramsey
7K Followers 226 Following Please find me at @[email protected] @pwramsey.bsky.social
Hans van der Kwast @h... @hansakwast
7K Followers 2K Following For GIS related posts find me in the fediverse and where the sky is blue! @qwast-gis.com
-- -- --------- @i_ameztoy
34K Followers 4K Following Inspired by many, hopefully inspiring some 🛰🌍 #EO HD videos: https://t.co/Ve1ceCEHO2 Full Size imgs: https://t.co/SjqrH2iHcD
Topi Tjukanov @tjukanov
20K Followers 2K Following Makes maps. Works at @Mapbox. Started #30DayMapChallenge.
michael GOULD (@mgoul... @0mgould
12K Followers 3K Following I mostly use bloo sky now. #travel #mountainbike #internationalDev #GIS #Spain #sarcasm
FOSS4G 2024 | https:/... @foss4g
17K Followers 583 Following The world’s largest gathering of open source geospatial users, developers, and researchers. FOSS4G | https://t.co/wtkKL1RgOW
Humanitarian OpenStre... @hotosm
28K Followers 2K Following Reposting key info from our Open Regional Hubs here. For updates, follow us in Bluesky at @hotosm.org
@rjhale1971@fosstodon... @rjhale
4K Followers 3K Following Owner of @northrivergeo . Enjoys adventuring, canoeing, and long walks on the beach while fixing data. #QGIS #POSTGIS #GDAL #GEOSERVER #CHATTANOOGA #HASHTAG
Bill Dollins @billdollins
4K Followers 634 Following "They're beating plowshares into swords for this tired old man that we elected king"
Alexandre Neto @AlexNetoGeo
3K Followers 568 Following Father of three, Husband, Open Source advocate, OS spatial evangelist, WIP developer, cartographer, and a proud geek. @[email protected]
Lutra Consulting Limi... @lutraconsulting
6K Followers 660 Following
Whitebox Geospatial @whiteboxgeo
7K Followers 2K Following Innovative geospatial software solutions built on open-source. #lidar #TerrainAnalysis #geospatial #GIS #remotesensing #geomorphometry #geomatics
Feye Andal @dfeyeandal
2K Followers 511 Following WebGIS, @upresilience | Educator, @DLSUManila | Co-founder, @upriyouth | Regional Ambassador, @youthmappers | Voting Mem, @hotosm | Assoc Mem, @openstreetmap
Ariel Anthieni @aanthieni
890 Followers 410 Following CEO de @KanTerritoryIT | President Geolibres | @geoinquietosarg | @QgisArgentina | @OpenStreetMapAR | @OSGeo | @foss4gAR | @foss4g Juijitsu
Arowana @ArowanaCo
2K Followers 2K Following B Corp investment group building companies that shape national development: AI Infrastructure, EVs, VocEd, Power-to-X & Circular Economy.
Bertil Chapuis @bchapuis
390 Followers 119 Following Loves hacking and collaborating at the intersection of several disciplines. Building in public. 🚧 🏗️ ⚒️ https://t.co/mA9j4suhNm
Luke Andrews @LukeAndrews_Aus
6 Followers 46 Following
Ambalay Maps @ambalay_maps
19 Followers 50 Following We provide location-based solutions via APIs for various sectors such as logistics, retail, and urban development.
[email protected] ... @mxfh
1K Followers 1K Following Cartographer / Design Technologist; previously @here, @stamen ⸺ map projections, prototyping, Unicode, SVG, Svelte
Hannes Lipusch @HannesLipusch
5 Followers 324 Following Teaching AI how to plan energy infrastructure. CTO & co-founder @Voltplot. AI x energy systems x battery storage.
Siddik @brbhsid
104 Followers 387 Following ||Aspiring Hydrologists|| || Fake it until you make it || @iamsrk ❤️ ||Working on enhancing hydrological prediction with @VivekGuptaIIT at @HIMPACTLAB_IITM
YoloBytes @yolobytes
390 Followers 2K Following 👵 https://t.co/2tzpNOLC9n 🌐 https://t.co/kmMZ1IdyOR ✈️ https://t.co/FD6ns49Ri2 🤡 https://t.co/tkAqrzdb5X 🎯 keep launching: 🟩🟩🟩🟩🟩 🔲🔲🔲🔲🔲
Bilawal Sidhu @bilawalsidhu
112K Followers 6K Following Mapping the frontier of creation & computing. Building the window through which we see the world. https://t.co/O19H0QHsGW
Jhonny Robson @jhonnyrobson
63 Followers 457 Following
Lawrence Rui Dang, Ph... @lawrencedang1
804 Followers 7K Following Economist/Econometrician/ PUB. PLCY, Mbr @EU_Commission KNWL4PLCY PLTF. Policy Inclusive Expert @UNESCO SAC Mbr at @EHMAinfo. Research & Consulting
La ciudad no se manch... @ciudadnomancha
380 Followers 4K Following La ciudad no se mancha, ideas para transformarla
Atlife @atlife_app
1 Followers 14 Following
Farwa Rizvi @FarwaRi10141593
1K Followers 4K Following Resilient soul | Observer of global shifts | Unfiltered thoughts, deep emotions, and a hopeful heart.
M Quentin @MQuentin14
15 Followers 364 Following WebSig 👨🎓Learn MERN Stack 📚Work on spatial knowledge 🌍 Read landscape as cartograph 🔥 Nature lover 🍀
のむさん @nomusan_desu
660 Followers 661 Following 立命館大学 地理学専攻 卒 旅行🚃✈️/写真📷/動画編集📹▶️/ピアノ🎹／地理🗾／オリエンテーリング🏃♂️🏔 研究テーマ：GIS／第四紀／河川地形🏞️／palaeo DEM／LEMs 最近webGISに興味持って勉強中✍
amira aldahab @amamiraaldahqx
11 Followers 282 Following
Chris Cameron-Hann @camerhann
29 Followers 238 Following Flood hydrologist. CTO, Aegaea & 7analytics. Building https://t.co/RUvYSdkVNZ. UK/US flood risk, models, maps. Occasional international consultant to IDFs
Fred Q. Fenster @200ugc
19 Followers 512 Following To be human is to tell stories. So, become a good storyteller.
Imaginary railways @componente_3
8 Followers 2K Following Joining places through (imaginary) infrastructure
Brian Flood @bFlood
916 Followers 754 Following AI and Geospatial Entrepreneur, Founder at SDL @SDLTech (merged with @govpilot), Advisor
poyraz kaya @poyrazk09091666
5 Followers 91 Following
bim-2025 @RogerYau8761
9 Followers 1K Following
Jake Steinerman 🌎 @jasteinerman
9K Followers 2K Following DevRel @CesiumJS 🌎 | ex-Meta, Spatial | Go Blue 🏈
K.Sakanoshita @K_Sakanoshita
1K Followers 1K Following 諸国・浪漫/Code for OSAKA/OSMFJなど所属。 興味あることは、マクロス、オープンソース、オープンデータ（OpenStreetMap/Wikipediaなど）、歴史（大航海時代/幕末）。「みんなで」を大事にオープンな世界を目指しているつもり。 名乗りは「オープンデータ実践者」としておこうかな。
ELEMNT EARTH @elemntearth
146 Followers 1K Following The AI-native geospatial data platform with native MCP support. Bring your data, enrich with open data, serve at planetary scale. Free early access is live.
GK @kimguan18
37 Followers 2K Following
Yidi Lola @Lazulioa
21 Followers 587 Following Founder @eternalterraear Keynote @BerlinSciWeek @OpenGeospatial Lived in Hong Kong, Paris, Brussels, Beijing
Yamazaki KEI @takoyaki_tlavel
154 Followers 428 Following 北海道でGISエンジニアになります。R4に技術士（建設部門）取得しました。地形や地質、砂防、GISが少し詳しいです。 高崎高校→新潟大学（地質専攻）→建設コンサルタント（砂防）
JB @ippiko23
124 Followers 511 Following
Yuji Kobayashi @lehua555
568 Followers 417 Following Representative Director and CEO of OrbitalNet, Inc. Our company provides satellite image analysis and feature mapping services using FOSS4G and Deep Learning.
루샨 lucian @lucian__03
2K Followers 2K Following Python, JavaScript, C# 개발자. 루샨입니다! | AI빅데이터학과 휴학 중 | 요즘은 전부 바이브코딩 중
芜湖同城水果。... @lunahydrangea07
146 Followers 2K Following 22岁荔枝树，结果了香甜可口，可配送丄门，可来地方品尝，包你满意，诚信第一 了解 https://t.co/XhzAMVNJey
Qiusheng Wu @giswqs
54K Followers 4K Following Associate Professor @UTKGeography | @Amazon Scholar | Talk about #opensource #geospatial #dataviz #GeoAI
🥔🗺️ ᴘᴏᴋ... @pokateo_maps
29K Followers 3K Following po-KATE-o, first of her name, eater of potatoes 🥔 and maker of maps 🗺️. I make GIS (more) fun by sharing maptastic themes & original mappy memes! 🌐 ᵛᶦᵉʷˢᵐᶦⁿᵉ
Joe Morrison @mouthofmorrison
32K Followers 3K Following “Controversial industry figure” and General Manager of Remote Sensing at @umbraspace. Synthetic aperture radar - even more complicated than it sounds.
Kurt Menke - @geomenk... @geomenke
8K Followers 2K Following Danish Resident 🇩🇰 | @SeptimaDK | FOSS4G user/advocate/educator | Author: Discover QGIS 3.x 2nd Ed. | Co-author:QGIS for Hydrological Applications 2nd Ed.
Volodymyr Agafonkin �... @mourner
15K Followers 1K Following Engineer at @Mapbox, creator of @LeafletJS, open source enthusiast, algorithms geek, speaker, musician @obiymydoschu, baker, father of twin girls, Ukrainian
QGIS @qgis
63K Followers 63 Following Official account of QGIS - the user friendly Open Source Geographic Information System
Hans van der Kwast @h... @hansakwast
7K Followers 2K Following For GIS related posts find me in the fediverse and where the sky is blue! @qwast-gis.com
-- -- --------- @i_ameztoy
34K Followers 4K Following Inspired by many, hopefully inspiring some 🛰🌍 #EO HD videos: https://t.co/Ve1ceCEHO2 Full Size imgs: https://t.co/SjqrH2iHcD
Topi Tjukanov @tjukanov
20K Followers 2K Following Makes maps. Works at @Mapbox. Started #30DayMapChallenge.
FOSS4G 2024 | https:/... @foss4g
17K Followers 583 Following The world’s largest gathering of open source geospatial users, developers, and researchers. FOSS4G | https://t.co/wtkKL1RgOW
Humanitarian OpenStre... @hotosm
28K Followers 2K Following Reposting key info from our Open Regional Hubs here. For updates, follow us in Bluesky at @hotosm.org
@rjhale1971@fosstodon... @rjhale
4K Followers 3K Following Owner of @northrivergeo . Enjoys adventuring, canoeing, and long walks on the beach while fixing data. #QGIS #POSTGIS #GDAL #GEOSERVER #CHATTANOOGA #HASHTAG
Helen McKenzie @helenmakesmaps
13K Followers 1K Following Data & geospatial advocate, content creator & all around map geek @CARTO🌍🌐🗺 Likes: cheese on beans on toast, sitting, otters. Views mine. she/her.
Bill Dollins @billdollins
4K Followers 634 Following "They're beating plowshares into swords for this tired old man that we elected king"
gdal org @GdalOrg
4K Followers 6 Following No longer here. Find us at @[email protected] GDAL is a translator library for raster and vector geospatial data formats.
Lutra Consulting Limi... @lutraconsulting
6K Followers 660 Following
Whitebox Geospatial @whiteboxgeo
7K Followers 2K Following Innovative geospatial software solutions built on open-source. #lidar #TerrainAnalysis #geospatial #GIS #remotesensing #geomorphometry #geomatics
https://bsky.app/prof... @tmcw
14K Followers 0 Following not using twitter anymore. https://t.co/PtubFCpGBJ https://t.co/ZckGEmD0Ob https://t.co/Bq05CWsrnj
Feye Andal @dfeyeandal
2K Followers 511 Following WebGIS, @upresilience | Educator, @DLSUManila | Co-founder, @upriyouth | Regional Ambassador, @youthmappers | Voting Mem, @hotosm | Assoc Mem, @openstreetmap
Ariel Anthieni @aanthieni
890 Followers 410 Following CEO de @KanTerritoryIT | President Geolibres | @geoinquietosarg | @QgisArgentina | @OpenStreetMapAR | @OSGeo | @foss4gAR | @foss4g Juijitsu
[email protected] ... @mxfh
1K Followers 1K Following Cartographer / Design Technologist; previously @here, @stamen ⸺ map projections, prototyping, Unicode, SVG, Svelte
PieroDC @GeographerDC
2K Followers 5K Following Sono curioso di sapere come funziona il mondo. 🌍🌎🌏 🇵🇪 🇨🇴 🇨🇱 🇪🇨 🇧🇷 🇲🇽 🇯🇵 🇺🇸
Jesús MR @jebusmr
738 Followers 948 Following Vive con V Mayúscula...Geógrafo | Freelance especializado en #SIG
La ciudad no se manch... @ciudadnomancha
380 Followers 4K Following La ciudad no se mancha, ideas para transformarla
Bilawal Sidhu @bilawalsidhu
112K Followers 6K Following Mapping the frontier of creation & computing. Building the window through which we see the world. https://t.co/O19H0QHsGW
Jorge Luis Molina Pru... @PrudotJorge
77 Followers 2K Following
Siddik @brbhsid
104 Followers 387 Following ||Aspiring Hydrologists|| || Fake it until you make it || @iamsrk ❤️ ||Working on enhancing hydrological prediction with @VivekGuptaIIT at @HIMPACTLAB_IITM
M Quentin @MQuentin14
15 Followers 364 Following WebSig 👨🎓Learn MERN Stack 📚Work on spatial knowledge 🌍 Read landscape as cartograph 🔥 Nature lover 🍀
Nyoho @NeXTSTEP2OSX
3K Followers 2K Following 『目からうろこの機械学習』新発売 https://t.co/ozJ2hPXE5o | #広島弁吹き替えシリーズ | Mathtodon作ってます|🎺@kamoWB ||内容は個人の見解で所属と関係ないです
M_Takeuchi @mikihdqt812
494 Followers 425 Following 関西で研究してます GIS/R/python/データサイエンス/自然言語処理/考古/文化財情報/デジタルヒューマニティーズ/foss4g 若手の研究活動
すずき@ニセ道�... @yuskesuzki
723 Followers 980 Following D750/D500/G100D/NEX-6/Pixel 8a 某GIS系企業所属。札幌市食品衛生責任者。Code for Sapporo 代表（https://t.co/ncnSZynvOY）。雑食系音楽好き。 長野→須坂→茅ヶ崎→蒲田→札幌→江別（時々、須坂）
のむさん @nomusan_desu
660 Followers 661 Following 立命館大学 地理学専攻 卒 旅行🚃✈️/写真📷/動画編集📹▶️/ピアノ🎹／地理🗾／オリエンテーリング🏃♂️🏔 研究テーマ：GIS／第四紀／河川地形🏞️／palaeo DEM／LEMs 最近webGISに興味持って勉強中✍
Tom Konda @tom_k_en
241 Followers 285 Following Web developer, OpenStreetMap Mapper. This Account tweets only Tech or OSM, sometimes something like geography except for reply or fav.
Jonah Adkins @JonahAdkins
1 Followers 3 Following
Brian Flood @bFlood
916 Followers 754 Following AI and Geospatial Entrepreneur, Founder at SDL @SDLTech (merged with @govpilot), Advisor
Joseph Conway @jconway
2K Followers 1K Following Director, PostgreSQL Contributor Team at Amazon, PostgreSQL committer, major contributor, infrastructure team, author PL/R extension (opinions == mine_alone)
Jake Steinerman 🌎 @jasteinerman
9K Followers 2K Following DevRel @CesiumJS 🌎 | ex-Meta, Spatial | Go Blue 🏈
ELEMNT EARTH @elemntearth
146 Followers 1K Following The AI-native geospatial data platform with native MCP support. Bring your data, enrich with open data, serve at planetary scale. Free early access is live.
K.Sakanoshita @K_Sakanoshita
1K Followers 1K Following 諸国・浪漫/Code for OSAKA/OSMFJなど所属。 興味あることは、マクロス、オープンソース、オープンデータ（OpenStreetMap/Wikipediaなど）、歴史（大航海時代/幕末）。「みんなで」を大事にオープンな世界を目指しているつもり。 名乗りは「オープンデータ実践者」としておこうかな。
Hussain Tech Explorer @TechHussainE
43 Followers 215 Following AI & ML Enthusiast @Cisco. Always exploring 🧠 and loving 🐕 life.
🇺🇦 🌈 Robert ... @robbyoconnor
1K Followers 7K Following 🇺🇦 #IStandWithUkraine 🇺🇦 #BlackLivesMatter. he/him, my views, nobody else. Proudly blocked by @dbongino.
Yuji Kobayashi @lehua555
568 Followers 417 Following Representative Director and CEO of OrbitalNet, Inc. Our company provides satellite image analysis and feature mapping services using FOSS4G and Deep Learning.
Kumoy @kumoy_io
106 Followers 1 Following Kumoy（くもい）は、QGISで作成した地図やデータをWebブラウザ上で閲覧・共有できる、QGIS向けクラウドサービスです。 @MIERUNE_inc が開発・運営しています。
루샨 lucian @lucian__03
2K Followers 2K Following Python, JavaScript, C# 개발자. 루샨입니다! | AI빅데이터학과 휴학 중 | 요즘은 전부 바이브코딩 중
Serge.XLM @serge369x33
679 Followers 933 Following I build on the Stellar Blockchain + AI + Drones 👽 | #Stellar 🧮 #GeoAI 🇺🇸 #testnet
Marco Cappellari @MarcoRomildo
3K Followers 7K Following Assistente Tecnico presso il Genio Civile di Padova
amangin @amangin_horizon
31 Followers 636 Following
Kari Salovaara @SalovaaraKari
1 Followers 9 Following
Gilberto Schwertner �... @SCHWERTNER
98 Followers 401 Following
QGIS Ninja @QGISninja
503 Followers 277 Following マップアプリ『WikiWalk』『null map』作成。QGISのプラグインを作って公式リポジトリで公開。『GSI-AddressSearch』 『Google Maps LocationSync』。生成AIのMCPサーバーも作ります。土地建物について調べたりもします。 #QGIS #FOSS4G #まちづくり
:D @BlueBobsled
998 Followers 3K Following
Paul @pgriffis
183 Followers 2K Following Learning about programming and web devlopement, one mistake at a time.You might like
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@jodygarnett
2K Followers
OpenLayers
@openlayers
16K Followers
Bill Dollins
@billdollins
4K Followers