Founder of Puppet. I helped create DevOps. Writing at https://lukekanies.com/.
“I don't do it so they turn round and go 'Thank you Seamusfor the opportunity, thank you for the laughs.' I do it so, one day, someone will go 'There goes Seamus MacSuibhne. I must remember to thank him.’
A Yorkshireman in Devon, growing trees. Retired filmmaker. GS heat pump, solar thermal, PV, MVHR and EV user. Prioritising climate change, energy, sustainability, woodland, eco-building. Born at 311ppm CO₂.
Here just... well because. check out luke.sheldrick.co.uk for links to find me elsewhere/make contact.
Building a fairer, greener, brighter Sheffield
#MakeHopeNormalAgain
Join us: https://sheffieldgreenparty.org.uk
Quick links: https://linktr.ee/sheffieldgreenparty
Promoted by E Ward, 73 Eskdale Rd, Sheffield, S6 1SL on behalf of Sheffield Green Party
Freelance science and technology journalist. 11+ years experience. Irish/Polish. I write for the BBC, Wired, the BMJ, The Guardian, and others!
Newsletter: thereengineer.pro
Portfolio: chrisbaraniuk.com
HQ: Belfast, Northern Ireland
Full stack maker of things with passion for #web, #electronics, #sustainable living, #buildingscience, #passivehouse, #personalfinance and teaching. Find me at https://kaspars.net and https://wpelevator.com
Dreaming of a better world through common sense human focussed design (which often means trains).
Wasting time with SAFC, video games, and history.
🇬🇧🇨🇭🇸🇪🇯🇵🇳🇱🇮🇪
Nature / Climate / More-than-humans / Degrowth / Social justice / Food, Farming and Land Use / Energy / Retrofits / Transport
London
North East, Whitley Bay EV society, running, dad, sustainability, doctor
Whitley Bay EV society
https://www.facebook.com/groups/1596692434235953/?ref=share
Octopus referral code £50 for you & me
https://share.octopus.energy/glass-lane-979
I make fancy kitchens and wardrobes and stuff, but mostly post a load of old rubbish
www.themoderncarpenter.com
Mostly Scottish. Map lover, lithophile, tech person and discoverer of many lichens. Vitreous lustre, poor cleavage. he/him 🏳️🌈
📍Edinburgh
random([“Cars”, “Coffee”, “Computers”, “Family”])
Passivhaus architect, cyclist, trial and error gardener
#passivhaus #retrofit #cycling
KORE Retrofit is your one-stop shop for full domestic, commercial and community-based deep retrofit & project management services in Ireland.
National Emergency Services Museum (NESM) is located in Sheffield. It is a unique museum dedicated to the emergency services and their personnel. The museum is situated in a historic Victorian building that served as a Police, Fire, and Ambulance Station
I'm that YouTuber who taught you how dishwashers work. Guess I'm tryin' out the whole Bluesky thing now.
he/him
https://www.youtube.com/technologyconnections
product design @ planetscale · ex-github · vim enjoyer
jasonlong.me
Kubernetes, Cilium, and eBPF 🐝 | Technical Author 📚 | Bisexual 🩷💜💙 | ADHD 🧠 | Former K8s Release Team 🛳️
SRE for a http://en.wikipedia.org/wiki/FWSE. He/him. Probably looking for some fruit tea. @lukegb@treehouse.systems over there
Musician. Visual Artist. They/Them
www.mtate.org
🐕 Dog botherer
🚀 Staff Eng
🚧 Web1 enthusiast and fan of pointless websites
👻 localghost.dev
#TransRightsAreHumanRights
Banner pic: florian.photo
Founder & CTO @ Edera (founded by three women)
she/her; 26; Seattle, WA
LinkedIn: https://linkedin.com/in/azenla
GitHub: https://github.com/azenla
Follow Edera! @edera.dev
❤️ Be kind and thoughtful... and do cool things! ❤️
She/her from Sheffield. Talks about tech and trans rights. Former NPM, Monzo, Canonical. Train, car & bike geek for ending car dependence. Greens for HS2 and LGBTIQA+ Greens. Co-organiser Front End North. Can't answer DMs.
It’s abundantly clear that these guys are on the frontlines of whatever this is.
designer for real humans / author / speaker / educator / acab / buy my fuckin book / take my fuckin course
Mindful Design video course:
https://piccalil.li/mindful-design
Other gaffs:
https://scott.is
https://mindfuldesign.xyz
Tinkerer extraordinaire 👨🔧 mainly eBPF 🐝, Kubernetes, Cilium and kube-vip.io
Husband & father | Oram’s Arbour, Winchester | Lamb’s Conduit Street, London
Partner Miltiadou Cook Mitzman | New build | Retrofit | Craft | Comfort | Certified Passive House Designer | Trustee University Design Forum
Vegan | Self-builder | LGBTQI+ Ally
Perilously online computer toucher. Enjoyer of hiking, photography, and gaming.
Blog: https://blog.sinjakli.co.uk/
Elsewhere: https://sinjo.dev/
he/him ✌🏻💖
Co-founder of @openenergymon, passionate about energy transition and low carbon travel. Love rock climbing, cycling & outdoor adventures, 9yrs #FlightFree https://openenergymonitor.org https://heatpumpmonitor.org https://zerocarbonadventures.co.uk/
Making the property sector faster, smarter and more sustainable. Formerly CoreLogic.
Climate Conscious Construction | Retrofit First | Working for @passivhaustrust.bsky.social and Coaction Training CIC | @aecb.bsky.social member | Loves - my deep retrofit, fermentation, sufficiency, nerdy stuff!
Sheffield's new quality newspaper — sent via email to over 34,000 readers. Join for free at the link below. Always looking for new writers and new stories — DM us.
www.sheffieldtribune.co.uk
Keeper of the Peak is a feed for riders in the Peak District. Riders send in details of where they’ve been and what kind of condition the path was in, then we share it with everyone else.
Everyone then gets a live(ish) update on the Peak District paths.
Mostly then and now pictures of the Steel City , occasional personal views on music, life and dogs 🐕
Inside Housing + freelance elsewhere. Author of Orwell Prize winning Show Me The Bodies - How We Let Grenfell Happen. https://peteapps.substack.com
Holistic home improvement support for households, trades and local gov on maintenance, heat pumps, insulation and healthy ventilation.
Community energy coop/ community-led action on climate change/ home improvement agency.
Greater Glasgow, Scotland
Ventilation geek, raising awareness of incorrect installations leading to poor indoor environments that impact our health.
Enabling change in the industry by raising standards and compliance.
Straight talking, no assholes please..
Domestic property energy consumption contributes significantly to UK carbon emissions (14%). Low Carbon Homes tackles this by fostering collaboration among housing professionals and suppliers to accelerate retrofitting existing homes | Retrofit Action Week
CTO/cofounder of ConfigHub. Original lead architect of Kubernetes and creator of its declarative configuration model.
Humanist. Physicist. Educator. Engineer.
Energy efficiency is key to solving the climate crisis – and the problems associated with it. Energy efficiency is NOT an abstract concept: it is real in the form of passive houses, heat pumps, electric vehicles,...
Practitioner led | Not-for-profit org | Providing training for construction professionals to meet the climate emergency
Passivhaus designer and certifier, and MEP consultant at Max Fordham LLP. Views my own.
London-based designer.
https://www.onepointfivearchitecture.com/
He/him.
Dysgwr Cymraeg.
BE-ST is your launchpad to a net zero carbon built environment.
Greengauge Building Energy Consultants is a building & engineering consultancy specialising in sustainable, low energy design. Offices in Wiltshire & Yorkshire. https://ggbec.co.uk/
✺ Designing ➪ https://konnai.re
✺ Taking photos ➫ https://konnai.re/leisuredome
✺ Writing ➬ https://vonkirschnell.haus/
British-Nigerian Historian - BAFTA Winning Producer/Presenter - Best Selling Author - AGENT cwalker@unitedagents.co.uk
Artist. Designer. Maker. Cottage Industrialist. Operates lasers and has opinions. 🪧
old man yells about cloud ☁️
Black Lives Matter ✊🏽✊🏾✊🏿
Trans Rights are Human Rights 🏳️⚧️
Trust Women 🚺
Free Palestine 🇵🇸
Be Excellent to Each Other 🎸
Six museums and historic sites across the city, creating life-shaping, eye-opening, joy-filled memories with you ✨
Geek. Cymru. Digital technology specialist. Consulting Practice CTO at Public Digital. Independent Member for Digital at Aneurin Bevan University Health Board. Co-founder of GDS. Views my own.
Independent Senior Colourist 🎨👨🎨
Available Remotely, Worldwide & Based in Tonbridge. 🏳️🌈
colourbyrogers.co.uk
AWS Serverless Hero & Principal Engineer @ PostNL
The Largest Open Source Infrastructure automation Conference
JOIN THE REJEKTS!
❌ Cloud Native Rejekts EU - March 21, 2026 | Amsterdam ❌
#Rejekts2026
https://cloud-native.rejekts.io/
Award winning former BBC Journalist, Training Manager with syfab.org.uk (part of sycf.org.uk) Charity Consultant & Funding Adviser, Trustee and Active Citizen in Sheffield
Founder, @scalefactory.com (The AWS SaaS Experts)
AWS Ambassador.
Food enthusiast. Polyam.
Based in Yorkshire, UK
he/him
Award-winning consultancy, empowering SaaS teams to deliver more on AWS. We're an AWS Advanced Consulting Partner, and a Kubernetes Certified Service Provider. Part of Ten10.
👩🏻💻 Core Database Engineer @InfluxData working on InfluxDB v3 Enterprise.
📉 Advisor to Polar Signals.
I enjoy talking about databases, observability and good food.
Previously @ HashiCorp, Red Hat.
Now in Berlin 🇩🇪 from 🇸🇮
#bhafc ⚽️ Scouting 🏕️ Gin Drinker 🍸
Communicator 💻 Iceland Regular 🇮🇸 Photo enthusiast 📸 IG: @tomhylands - views my own etc.
artist by nature, engineer by trade. photographer. glassblower.
Building WASM and cloud things ⌨️
web: https://danielle.fyi
photography: https://danielle.photo
run by @oracularhades.com | @ or DM this account with suggestions
Energy consultant and design engineer. Specialising in Passivhaus building, archives and museums. Love talking bollocks but low tolerance for bullshit.
Teaching building physics with https://coaction.org.uk
The Good Building Book with Jon Broom Jan 2026.
Writes open source software and about technology sometimes. Problems solver & author. He/him https://dot.cards/codeboten
If I unfollowed you, it's because you keep posting things without alt text
Writer | BRAVE NEW WEIRD vol 4 | Stories in Lightspeed / Nightmare / Fantasy | Upcoming in Reactor | More info algoldfuss.com | Newsletter https://buttondown.com/algoldfuss | xe/xir/xem
I'm back! | Field CTO at Nobl9 | Author of The SLO Book. | "SRE's Raconteur" | I like dogs more than people.
Cybersecurity Specialist, Public Speaker, Ex-Hacker.
https://marcushutchins.com
Retired scientist, now working in medicines manufacturing sector. Interested in renewables, ASHP and EV owner.
Parent to Crumble the Romanian rescue. Views are entirely my own
🔶🏳️🌈 he/him
A technology podcast from the Go perspective.
Honeycomb is the observability platform that enables engineering teams to find and solve problems they couldn't before.
Freelance writer + PR in Sheffield | former editor | runner | foodie.
The association for Sheffield’s digital industries.
Membership Community | Tech Jobs Board | Mentoring Scheme | Newsletter | Podcast | Slack Group | Events Calendar | Blog | GeekBrekky every Friday |
🌐https://sheffield.digital/
Architect and Passivhaus designer, interested in retrofit and low carbon design
Engineer & Passivhaus Certifier. Director of WARM: Low Energy Building Practice (https://peterwarm.co.uk) and Coaction training CIC (https://coaction.org.uk/)
Creating beautiful, bright spaces that are comfortable, healthy and low energy. Passive House Design Consultants.
Architect, Director EDEN architects, Certified Passive House Designer, Architecture Design Fellow APEP-University College Dublin
Builder, passivehouse consultant, love all things old, buildings, cars, people! Passionate about finding and solving defects in buildings especially water related, forever learning (currently AECB CLR), building physics fan, restoring a car for fun.
Architecture | Sustainability | Politics | Passivhaus | Cycling | Cities | EU
Online teletext viewer: https://zxnet.co.uk/teletext/viewer
Online teletext editor: https://zxnet.co.uk/teletext/editor
Teletext art: https://zxnet.co.uk/teletext/gallery
Teletext discord: https://discord.gg/JfytfS3xmg
Since 325ppm | #IPv6 | HexaBuild | Co-Host IPv6 Buzz Podcast |
@oreilly.bsky.social Author | #ClimateAction #FlightFree2026
I run ysap.sh and have a series called You Suck at Programming online. We talk about bash, unix systems, and stuff like that. https://youtube.com/@yousuckatprogramming
I make fun hacker things
Bump the lamp
🚀rockit network engineer
👩🏼💻ethernet fangirl
🛜 weird use cases & silly tech!
💌 tracket@tracketpacer.com
🌎 tracketpacer.com
Sheffield lad now living in the beautiful Peak District. Interested in photography, mainly film and other analogue processes. Baby and house renovation have taken over a bit though. Also. Nature, sustainability, politics, art, poetry.
I mostly make things to do with coffee.
Director, PH Certifier. Arsenal season ticket holder. Muay Thai enthusiast. Stormtrooper.
@dixie3flatline from twitter
head of dev advocacy @ minimus.io
ham KA7COS
kubernetes steering committee, release team subproject lead, sig docs tech lead, uwubernetes, colorado springs via memphis
she/they
Making the shell magical ✨🐢
https://atuin.sh
