Steve Munro @swanboatsteve.bsky.social A long-standing transit activist/commentator since 1972. Blogs at http://stevemunro.ca since 2006. Winner of the 2005 Jane Jacobs Prize and 2024 CUTA Excellence Award.
Devan Marr @devanmarr.bsky.social Bike Rider. Mediocre Beer Brewer. Lawyer. Luddite. JDHD. He/Him.
It’s never legal advice. It’s rarely good advice.
Toronto, ON
Kyle Platt @kyleplatt.bsky.social Serial Entrepreneur and Engineer. Trying to maximize life while building cool things. 🇨🇦 Building:
🚀 https://local-leads.ai
🐉 https://getbluepilot.com
🧲 https://tactycs.io
Chad Loder @chadloder.dev The purpose of a system is what it does. 🌪️ they/them
Thomas Ptacek @sockpuppet.org Full of passionate intensity.
Nate Erskine-Smith @nateforontario.bsky.social MP for Beaches-East York | Host of uncommons.ca podcast
Alejandra Bravo @alejandrabravo.bsky.social City Councillor for Ward 9 #DavenportTO • Chair of Economic & Community Development Committee • Rights, equity & economic power for people • Anti-fascist, siempre • Wu name: The Contendah.
Matt Bubbers @mattbubbers.bsky.social This is work. Columnist and car critic for The Globe and Mail @theglobeandmail.com and elsewhere. Automotive editor @SharpMagazine
The War on Cars @thewaroncars.bsky.social A podcast about the fight against car culture. Hosted by Sarah Goodyear & Doug Gordon.
Radical Left Congestion Pricing Jihadists.
Our new book, "Life After Cars" is out now.
https://www.lifeaftercars.com/
https://www.patreon.com/thewaroncarspod
Karl Narvacan @karlnarvacan.bsky.social Radiology Resident | University of Toronto 🇨🇦
Jeremy Boone @uffeux.bsky.social security engineer @ fruit company
kanchan @kayehm.bsky.social Urban Infrastructure Engineer.
326ppm
https://linktr.ee/kayehm
Mark Brooks @markwbrooks.bsky.social Canadian Freelance flight instructor and grandpa.
Chris Wysopal @weld.bsky.social Gray haired gray hat. Co-founder Veracode. Former L0pht security researcher. Builds tools to find and fix vulnerabilities in code at scale.
Jeff Luszcz @jeffluszcz.bsky.social New to Cambridge. Works in Open Source Licensing, OSPOs, M&A, SCA, SBOMs and Security
Love my bike, electronics/Arduino/radio/rf and walkable cities!
Toronto Railway Museum @torailwaymuseum.bsky.social The Toronto Railway Museum is located in the historic John St. Roundhouse National Historic Site. Open year-round to visitors interested in Toronto's rail heritage. 
daniel holmgren 🫠 @dholms.at head of protocol @ bsky 🌅
The Overhead Wire @theoverheadwire.com Jeff Wood is the host of the Talking Headways podcast and the publisher of The Overhead Wire daily newsletter. http://theoverheadwire.com
Sign up for our 20 year old daily newsletter here: https://mailchi.mp/theoverheadwire/trial
Bikesky @bikesky.social A place for bike enjoyers to find each other on Bluesky. Offering custom feeds and community labels.
bike enjoyers starter pack: https://go.bsky.app/EwkMJoT
Subscribe to @labeler.bikesky.social to get a label and report problems.
Run by @derek.bike
Bike Talk @biketalk.bsky.social A weekly radio podcast dedicated to the idea that for public and planetary health we should prioritize bikes as transportation. https://biketalk.org/
Nathan Hamiel @nhamiel.bsky.social Senior Director of Research. Black Hat Review Board Member (AI, ML, and DS track lead) and International public speaker. I focus on emerging technologies and risks at the intersection of humanity and tech. Hype Critic. My writing: https://perilous.tech
Kym Possible @kympossible.bsky.social Job Status: HBIC at @zatik.io
I’ve kissed mermaids, rode the El Niño
Protect Trans People 🏳️⚧️
Anant Shrivastava @anantshri.info Researcher | Trainer | Security Professional | Developer | Admin
Jeff Jarmoc @jjarmoc.bsky.social Yet another security person.
All out of batteries, but still making noise!
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
Marina Krotofil @marmusha.bsky.social 
Matt Devost @devost.net Technologist, entrepreneur, and hacker | CEO @ OODA | Founder @DevSec | Past Founder of FusionX & Terrorism Research Center. Black Hat board member. 
Federico Maggi @phretor.bsky.social Cybersecurity engineer, researcher, and advisor with broad technical and scientific experience on designing, analyzing, and testing security-critical systems. 🔗 https://trustial.org
@deex.bsky.social @deex.bsky.social 
hextree.io @hextreeio.bsky.social 🌱 Grow your cybersecurity skills with concise and well-edited courses - in early access now! Created by @LiveOverflow and @stacksmashing.
https://hextree.io/
Queer in Cryptography Conference @cryptography.lgbt The Queer in Cryptography conference will be held March 6th and 7th, 2025, in Rochester, New York!
Check us out at cryptography.lgbt
Jay @jasonrosewell.bsky.social Canadian private pilot and family guy. Partnerships/Marketing @infiniteflight.com. Ally. He/Him 🇨🇦
West End Phoenix @westendphoenix.bsky.social A home-delivered, periodical local newspaper with city news + art featuring the finest writers and photographers from Toronto and beyond. Subscribe today!
www.westendphoenix.com
Dianne Saxe @diannesaxe.bsky.social Toronto City Council, climate advocate, TTC Audit chair, Toronto Hydro Board, TRCA, TAF, Infrastructure and Environment Committee, was last Environmental Commissioner of Ontario
Solder Party @solder.party We design easy to use products that help you develop your projects.
All our products are open source HW and SW!
Find our links at https://links.solder.party/
Eric Capuano @eric.zip - Dad of two <3
- Co-founder Recon InfoSec
- SANS DFIR Instructor
- BlackHat Trainer
- IANS Faculty
- Trainer @digitaldefenseinstitute.com
- Blog: https://blog.ecapuano.com
- ⬡ ODESZA, Lane 8, Kasbo 🎧
- ❤ @whit.zip
Tetrel Security @tetrelsec.com Foundational Security Services
https://tetrelsec.com
Colin D'Mello Global News @colindmello.bsky.social Queen’s Park Bureau Chief, Global News
Host, Focus Ontario
President, Queen's Park Press Gallery
Colin.DMello@GlobalNews.ca
Richard Johnson @richinseattle.bsky.social Fuzzing; Vulnerability Research;
Deep Learning; Reverse Engineering
Training & Publications @ http://fuzzing.io
Hacking the planet since 1995
Undercurrents.io BOFH
I'll stop the world and melt with you
Not One Seat @notoneseat.bsky.social Chip Ford down to a minority
Vote for the candidate most likely to defeat the PCs in your riding
Sign the Unity Pledge
https://act.notoneseat.ca/UnityPledge
Toronto-focused, working for the good of Ontario
https://notoneseat.ca
Oliver Moore @oliver-moore.bsky.social Deviant pedestrian. I’m bullish on cities, opposed to fascism and write editorials for The Globe and Mail. Never 51. @moore_oliver at the bird site, which I've mostly left. Will try to respond via omoore@globeandmail.ca. Header pic by Mervyn Sequeira
dmnk @dmnk.bsky.social 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】
Android Red Team @google
Fuzzing @aflplusplus.bsky.social
CTF @enoflag
(opinions my own)
barsteward @barsteward.bsky.social The world’s on fire, so let’s grab some marshmallows and not take everything so seriously. #UK based, working in hardware security hacking. Into #Infosec, #Standup #Comedy, and bad puns.
Twitter: @barsteward
Mastodon: @barsteward@infosec.exchange
Robert Barat (volt4ire) @volt4ire.bsky.social gaymer. infosec. FOSS.
EN/ES/IT/עברית
Berlin & NYC
https://mastodon.social/@volt4ire
jduck @jduck.me Continuously learning about computer security through research and development.
Ben Calderon @benjcal.space I’m a consummate generalist, web dev, hardware hacker, amateur mathematician, lover of C, all things Linux, musician, finance aficionado and owned by two cats… among other things- C cwmccarthy @cwmccarthy.bsky.social
MG @mg.lol 
arturo182 @arturo182.bsky.social HW & SW
Founder of @solder.party
he/him
Daniel Cuthbert @dcuthbert.bsky.social Ageing hacker, long time documentary photographer. Black Hat Review board. Now sitting on numerous government cyber security boards so I guess that means I’ve grown up right?
Karl @dr.supersat.phd KY0LO. Recovering hackademic. He/Him.
Julia Evans @b0rk.jvns.ca programming and exclamation marks
blog: jvns.ca
zines: wizardzines.com
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair. Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3mrv36uo4pc2a
Chris Boyd @paperghost.bsky.social Award winning security researcher | Microsoft MVP x7 | Google Hall of Fame | Music & video creation |
Hacktics and Telemetry Producer |
UK Immigration (family reunion)
https://soundcloud.com/umawing
Russell Isaacs @cyberpharm.bsky.social Biotech and Pharmaceutical Cybersecurity Director. Retired Military Cyber Operations Warrant Officer.
Do you want to build and strengthen your Cybersecurity Program and Board of Directors knowledge base? Let’s talk!
Mintynet @mintynet.com CVE-2023-29389 - CAN injection on Toyota vehicles, ironically had car stolen in 2022 via method previously found on 'secret' vehicle in 2018!
Also follow @bigrinnyo.com
https://www.mintynet.com/
https://github.com/mintynet
Ken Tindell @kentindell.bsky.social Designer of chips, programmer of chips
e.w. niedermeyer @niedermeyer.online cyberbullying elon musk since 2015, author of "ludicrous: the unvarnished story of tesla motors" (2019) and "elon take the wheel" (dec 2026, preorders now open), cohost of the autonocast, program director for the ride ai summit, occasional shark/frog
Andy Richter @andyrichter.co Insta: @richtercommaandy
TikTok: @AndyRichterTikTok
Podcast: The Three Questions
Call In Show on Sirius XM
https://docs.google.com/forms/d/e/1FAIpQLScn1XQMtQTx8JVuafOOEWBkdqDUHPXlX4KShxmuMSgwGt3pkQ/viewform?pli=1
LP @lastperson.bsky.social Hacking, Tractor Hacking, lightweight artist, printer of Tees, Lonely Hackers Club, SecTribe
Sam Forster @samforster.bsky.social journalist 🇨🇦
Oh The Urbanity! @ohtheurbanity.bsky.social More housing, bikes, and transit.
https://youtube.com/@ohtheurbanity
📍 Montreal, Quebec
Balance on Bloor @balanceonbloor.bsky.social I finally watched a Not Just Bikes video and it turns out that bike lanes are good for business after all... Sorry for wasting your time everybody.
#BalanceOnBloor
How-Sen Chong @how-sen.com Toronto urban environmentalist. 20+ years in climate activism. ADHDer. Fancy degrees from McGill and Yale. Posts my own.
Energy and transit should be free and plentiful. Cars should be an option, not a necessity.
https://how-sen.com/link
John Lorinc @johnlorinc.bsky.social Toronto journalist & editor. Contributor to Globe & Mail, Toronto Star, Corporate Knights, Walrus, Spacing. Co-editor: Messy Cities (Coach House, 2025). Author: No Jews Live Here, A Memoir. https://chbooks.com/Books/N/No-Jews-Live-Here.
Joel Harden @joelharden.bsky.social Organizing to be an NDP MP for Ottawa Centre. Choose love, and make good trouble.
thacienpt @thacienpt.bsky.social 👨🏻🍳👨🏻💻🥘🍲🍷🥃🍸☕️🏳️🌈
Cycle Toronto @cycletoronto.bsky.social We're a member-supported charity that's been leading the change for a healthier and more vibrant city since 2008.
Join the movement: www.cycleto.ca
Adam Shostack @adamshostack.bsky.social Threat modeling. BH Review Board. Affiliate Professor, UW. Fixed autorun. Helped create CVE.
Not sure why we're building graphs on yet another (effectively) centralized system. https://infosec.exchange/@adamshostack
Deviant Ollam ツ @deviantollam.bsky.social Philadelphian in Cascadia. Vociferous champion for Oxford commas, two spaces after a period, and ellipses. I break into buildings. 🔓
"Even if the world were ending tomorrow, I would still plant a tree." 🌲
(he/they)
Peter Sobot @petersobot.com maple-flavoured engineer, drummer, and bassist in brooklyn
https://petersobot.com
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
stacksmashing @stacksmashing.bsky.social Security researcher with a focus on hardware & firmware. I occasionally publish stuff on YouTube. Co-founder of
hextree.io. Contact: contact@stacksmashing.net
Colin O'Flynn @oflynn.com Colin is a huge nerd. Hardware hacking, open-source hardware, electronics design, academic stuff, dog stuff in some order. Assistant Prof @ Dalhousie Uni, advisor/co-founder NewAE Technology Inc.
Andrew Dunham @andrewd.bsky.social Canadian, solar/renewable energy enthusiast, security person, software engineer, and general doer-of-things @ @tailscale.com
Also on Mastodon @andrew@ottawa.place (and one of the admins of that server!)
Marit Stiles @maritstilesndp.bsky.social Mom. Leader of the Official Opposition, Ontario NDP. Proud MPP for Davenport.
Hank Green @hankgreen.bsky.social Long Time Internet Guy
Jay Pitter @jaypitter.bsky.social Award-Winning Placemaker (25+ North American Cities). Author. Speaker. Urban Planning Adjunct Professor. Subdivided Co-Editor. Two Book Deal w/ Penguin Random House Canada. Hip Hop & a lil Punk Rock. Hopeful.
DearMotis @rpmpeasoup.bsky.social project manager, retired. Urbanism, nature, gardening, music, cycling, tennis , furry friends. #Nevervoteconservative. Ottawa🇨🇦
Holden Karau @holdenkarau.com she/her, mostly OSS big data (Spark, Dask, Ray, and friends). I ❤️☕️🛵. I don't represent my employer. Live @ http://twitch.tv/holdenkarau , http://tech.lgbt/@holden , Twitter was @holdenkarau
World Bollard Association™️ @worldbollardassoc.bsky.social The official Bluesky account of the World Bollard Association™️. MERCH STORE - https://worldbollardassociation.team-togs.com/shop/storeorderform.php
Robert Zaichkowski @rzaichkowski.bsky.social Accountant, Road Safety Advocate, Bike Blogger & Campaign Lead of Open Streets Toronto. Bilingual EN/FR. #BikeTO #BikeSky #TOpoli #VisionZero 🚲
Blog = www.twowheeledpolitics.ca
Open Streets Petition = tinyurl.com/OpenStreetsPetitionTO
Robin Richardson she/her @canadarobin.bsky.social Doing everything I can to help people bike more and drive less. Obsessed with cargo bikes. Organizer, Yonge4All; Leader, KidicalMassTO; Contributor, ebikes-international.com.
Proud 🏳️⚧️🏳️🌈 mom.
Still COVIDing 😷💉
The Biking Vet @thebikingvet.bsky.social 
The Biking Lawyer LLP @thebikinglawyer.bsky.social Lawyers for injured cyclists. Advocates for change: www.thebikinglawyer.ca
Cycling Law & Police Violence Specialists. Free legal advice 800-725-0754/info@thebikinglawyer.ca
Norm Di Pasquale🇨🇦 @normsworld.bsky.social Chair of NoJetsTO. Ford is trying to ram jets down our throat, sign the petition at NoJetsTO.com!
Madeleine Bonsma-Fisher, PhD @mbonsma.bsky.social Transportation data scientist at the University of Toronto, physicist at heart.
I post about bikes and safe streets, local politics, and sometimes science. She/her.
derek van vliet @derek.bike @bikesky.social founder, bike picture taker, bagged milk understander, he/him
https://linktr.ee/derekvanvliet
Photography by Douglas 🍁 @darkwaterphotos.bsky.social Chasing light, feathers, and fur in the city.
Deaf • AuDHD • Freelance Photographer
🍃 Urban Wildlife & the Natural World.
📍 Toronto / Mississauga, Ontario
📷 DarkWaterPhotoMedia
📌 Copyright ©2026
👇 Which shot is your favorite? Let me know in the replies!
cyclekay @cyclekay.bsky.social 
Glendon Mellow @flyingtrilobite.com Art in Awe of Science
🔸 glendonmellow.com
——
Art skeets
💀 #GlendonMellowArt
——
SciArt Feed - no gen AI, just human artists:
🐡 bsky.app/profile/flyingtrilobite.com/feed/aaadepeaxdboc
——
🦋 Elder # 18,744 | 12Apr23
☑️ Oct 2025
🚴🏼♂️ Cyclist 🇨🇦
🎨 BFA Hon
Mark Shaw @markshawtoronto.bsky.social 🍁 Toronto transit & urbanism nerd | 👨💻 Software Developer | 🌈 Your gay best friend
Michael Hoffman @michaelhoffman.bsky.social Chair, Computational BIology and Medicine Program, Princess Margaret Cancer Centre, University Health Network.
Associate Professor, Medical Biophysics, University of Toronto.
Disclosures: https://github.com/michaelmhoffman/disclosure/
Friends and Families for Safe Streets @ffsafestreets.bsky.social We are people whose loved ones were struck and killed on #TODeadlyStreets, and injured crash survivors. We work to end Road Violence in Toronto and offer monthly Peer Support meetings. More info: www.ffsafestreets.ca + http://linktr.ee/ffsafestreets
Community Bikeways - TCBC @bikewaysto.bsky.social We hold City Hall to account for its road safety, cycling + climate plans while fighting to reallocate space to walk/cycle/transit to create healthy communities.
rudy.ca @rudydotca.bsky.social 1. don't give up 2. no whining 3. be nice to everybody
#Toronto #WalkTO #LoveTheRavines #BikeTO #TOhistory
Lloyd Alter @lloydalter.bsky.social Author of"The Story of Upfront Carbon," reformed architect and developer, teacher of sustainable design at Toronto Metropolitan University. https://lloydalter.substack.com
Andrew Lewis FC @andrewlewisfc.bsky.social Dad of 3. Human of 2. Husband of 1. Citizen of Toronto. Rider of bike. Partner @ Paliare Roland. No legal advice here.
And yes that IS an original goddam 1979 Participaction Canada Fitness Test Gold Badge.
https://paliareroland.com/people/andrew-lewis
Kevin McLaughlin @voilakevin.bsky.social bikes & cities, dogs & sunsets. Zygg ebikes, Monashee Bike Racks, Bikeep, Popwheels [past fdr: AutoShare, Modo car coop, Evergreen Canada] Youtube: "Star Wars 4 Daddies: Generation Space Time" #SW4D
Kevin Montgomery @kemosite.bsky.social Building Marketing Operations Solutions & Automations | Marketing Technologist (Maker), Quickbase & Web Developer | Driving Efficiency & Growth
he/him