Daniel Costea @dfcostea
Trainer. Developer. Speaker. Microsoft MVP. apexcode.ro The Hague, Netherland Joined February 2009-
Tweets550
-
Followers291
-
Following441
-
Likes2K
🚀 Agentic AI in .NET workflows? Yes, please. ✨ TODAY AT 9AM PT, ON .NET ✨ Explore how local-first SLMs like OllamaSharp & LLamaSharp power agentic systems with Semantic Kernel. Learn how to build autonomous (cont) msft.it/l/6013tBiSc
🎤 Speaking at BASTA! Conference Mainz 2025! 🗓 Sept 22–26, 2025 | 📍 Mainz 🎙 Demystifying Function Calling with Microsoft Semantic Kernel 🎟 10% off → code bas-danielc 🔗 basta.net/mainz/tickets-… #BASTA #DotNet #CSharp #SoftwareArchitecture #BASTAConference #AI #Microsoft
@ak24ro @victormarc46507 Nu mai sunt nici injuraturile cum erau candva, cu sintaxa, cu poezie…
📣Deal of the Day📣 Jan 31 SAVE 45% on Microsoft Semantic Kernel in Action & selected titles: mng.bz/WrEx @dfcostea New MEAP! Learn how to create #AI apps & integrate AI into existing software using #Csharp & the lightweight #SemanticKernel SDK. #SK #LLMs #OpenAI
Exciting news! 🎉 My book "Microsoft Semantic Kernel in Action" is featured as Manning Publications Co.'s Deal of the Day! 📚 For the next 10 hours, you can save 45% on this new MEAP (Manning Early Access Program) title. Grab your copy: mng.bz/WrEx #SemanticKernel
This book by @dfcostea on #Microsoft #SemanticKernel just went live on @ManningBooks' MEAP program this week. I hear enough about Semantic Kernel that I believe Microsoft as a winner with this tech, in the C# and .NET world at least. manning.com/books/microsof…
@corneliu_dancau @buzzaianu Nici eu nu te-am furat. Ma votezi? Vad ca e ok sa votam pe toti care nu ne-au furat inca. Dar daca ne dau iar la rusi cum au facut comunistii, e ok?
.NET AI Community Standup - Phi-3 & C#: Bringing AI to your .NET Apps
@mlconference Thank you, @mlconference for having me at this wonderful conference! I'm honored and grateful.
Thank you for the great talk and the dive deep into the code @dfcostea #SemanticKernel #OpenAI #jointchat #MLcon
@Moeller2_0 @elbruno Remarkable! Congratulations to your wife.
Plotly.NET v5 is finally here, with some huge additions and support for many of the latest plotly.js features. full release notes here: github.com/plotly/Plotly.… The library now has >275k downloads on nuget, awesome! #fsharp #dotnet #dataviz
Check out my latest article: Let's meet the Microsoft phi-3-vision-128k-instruct SML linkedin.com/pulse/lets-mee… via @LinkedIn
Recording of the session by @dfcostea at our local @GlobalAzure event in Amsterdam last week: Deep dive into Microsoft Semantic Kernel Agents powered by AI Assistants Watch the recording here youtu.be/HFGr4j9b698 🎥 #GlobalAzure #azure
A heartfelt thank you to everyone who made our local @GlobalAzure event yesterday a success! Special thanks to our incredible #AzureGlobal community heroes, @dfcostea, @ALJhakry, and @sandertenbrinke, for sharing their invaluable knowledge and insights.
In this week's episode of On .NET, #MSMVP @dfcostea drops in to show us how to use the Semantic Kernel open-source SDK to create advanced AI-powered interactions, featuring AI imitations of Jack Sparrow, Don Quixote, Shakespeare, and Yoda. Check it out. 🎥 msft.it/6012csMiQ
I'm thankful to all the speakers who have generously shared their invaluable insights in the first 10 episodes of #ADashOfdotNet To those who are inspired to join us, we warmly welcome your submissions for future sessions bit.ly/47SKJbt @SamNasr @dfcostea @VermaRishabh
@ardalis I would like to add: Interfaces is when you want to make friends, Abstract classes is when you want to make family tree.
Pete Gallagher - Azur... @pete_codes
5K Followers 5K Following App Architect Manager @Avanade 5xMVP+MCT @pluralsight author Org @NottsIoT @dotnetnotts @NottsDev @Latiltd @agileengpodcast @azureishlive @iotealive
Jamie Maguire @jamie_maguire1
7K Followers 4K Following AI Engineer | Architect | Microsoft MVP (AI) | Technical Author Built: https://t.co/GzbDwGzSMz | https://t.co/Q7BWy2EzlS | https://t.co/6urcQS9MF3
Dan Patrascu @danpdc
4K Followers 268 Following I’ve spent 15 years building software systems. Now I’m building the system that builds systems as the CTO @ Atherio
Dan Clarke 🎙 @dracan
4K Followers 2K Following 👉 Links to all my socials, the podcast, newsletter, YouTube, courses, blog, and more. can be found on my personal website: https://t.co/2EKxnr4ZeO
Luis Quintanilla.rss @ljquintanilla
1K Followers 2K Following AI whisperer wandering the shifting sands of the desert of the real . Semi-fluent in the language of machines, with an affinity for the F# dialect.
Steve Gordon @stevejgordon
10K Followers 788 Following Microsoft MVP | Pluralsight Author | Principle Eng. @elastic | Blogger | Speaker | https://t.co/VOKk8DWi9i | @[email protected] | He/Him
Lee Englestone 💡�... @LeeEnglestone
2K Followers 2K Following Innovator | Engineering Manager | Author | Microsoft MVP | MSc Entrepreneurship & Innovation
Shahed Chowdhuri @shahedC
6K Followers 3K Following Speaker, Author, .NET/Azure enthusiast, Blogger, Mentor, #Marvel fan, dad, GIF Commenter. Opinions mine.
Mauro Reinehr @MauroReinehr
98 Followers 5K Following
blank page @hakhanhlong
34 Followers 696 Following
Manning Publications @ManningBooks
31K Followers 2K Following Follow Manning Publications on X and get exclusive discounts, product announcements, author news, and great content.
Tokugawa Iyeyasu @mydaymywin
5K Followers 3K Following Senior Software Engineer | Narendra Modi | Football : Argentina & Manchester City | Dance pop | Tweets about : Football , Indian Economics & Politics
Maciej Kryca @ErloonPl
53 Followers 596 Following Dev building cloud & automation stuff that actually makes sense #Development
Nils @nilsandrey
564 Followers 1K Following 🇨🇺 🇨🇦 Software developer passionate about coding, sports, and movies. I always put family first and cherish the amazing friends who make my world brighter.
Alia @g3lu5j40ABRsop
35 Followers 698 Following
@KodeHouse 🏠 @FranklinXPe
460 Followers 5K Following No ingrese si no conoce la geometría. Disfruten su espalda, mientras puedan. #TeamInvierno
Sleighddoo @sleighddoo763
34 Followers 2K Following Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.
mallissa garrison @arianarosesexy
153 Followers 7K Following just wanna hang out and have fun it's naughty 💓💖💜
Andrew Gubskiy @andrew_gubskiy
333 Followers 182 Following #Microsoft #MVP / Founder of @devdigest_today
Ciprian Grigore @grigoresc_
14 Followers 185 Following
Joe Wilson @joewilson0
738 Followers 2K Following Senior Microsoft Backend and Cloud Developer | C#, .NET, Azure
Sami Beyoglu @samibeyoglu
163 Followers 268 Following
Fabian Bader @fabian_bader
10K Followers 889 Following #Security #Azure #AAD #MDE #M365 #AD #PKI #XDR #EntraID Microsoft MVP Tweets and opinions are my own @[email protected]
Nick @NickChobotar
10 Followers 492 Following
Florin Coros @florincoros
496 Followers 372 Following Designing Development Process for Agentic AI | Fractional CTO | Predictable Software Delivery
Vali Caracas @CarVar73079
207 Followers 228 Following
Tereshchuk Pavel @TereshchukPavel
8 Followers 164 Following
Jake Radzikowski @jradziko
12 Followers 163 Following
Carlos Fernandez @CFzDevelop
46 Followers 63 Following “Dream yesterday, Invent today, Release tomorrow.” #dotnet #csharp #performance #cleanperformance #DATEVBotschafter
€m€♤$●n @e_sllvs
8 Followers 124 Following
Djib's Lhe champion @SDjib79016
1 Followers 80 Following
logigan Silvia Cornel... @LCorneluta
78 Followers 445 Following
dotnet.amsterdam @dotnetamsterdam
808 Followers 916 Following dotnet Amsterdam moved to https://t.co/D10LVs0oCD
田舎の情シスく... @0trst
209 Followers 388 Following プログラミングの出来ないインフラメインの情シス。黒い画面は苦手です。都心のキラキラしたエンジニアにあこがれる日々。。。小さな会社だけど目指せゼロトラスト!!Microsoft/M365/AAD/EMS/Intune/Azure 2児のパパ/酒🍷
Bruno Vieira @brunofsv10
0 Followers 114 Following
Lily Lazain @LLazain
31 Followers 178 Following
Iosif Logigan @IosifLogigan
6 Followers 75 Following
Adrian @AdrianD300
10 Followers 48 Following
🇫🇷 Cyril ANDRE ... @cyril_andre
81 Followers 134 Following Fullstack (any DB/dotnet/ReactJS|Flutter) - I craft softwares since 30 years @lilarisz founder, previously Software development Director @ultimus_bpm
Vinaymonika @Vinaymonika22
33 Followers 2K Following
Adrian Rindasu @Adrian_Rindasu
167 Followers 469 Following
Davika @RtO6OySCuodDUnv
21 Followers 116 Following I am a girl who loves to laugh and love life🙂 Hobbies❤️:travel, design, jewelry💎, cars, food, wine, movies, golf, racing, virtual currency📈
SoleraX Energy - prom... @SoleraXio
130 Followers 1K Following Energy production from green sources using crypto technologies, NFT purchase and the new metaverse. https://t.co/e48fiyoSma Referral code: 1001003
Siderscan @siderlabs
2K Followers 4K Following Siderscan is a lightning-fast duplicate code detection tool for software developers that finds and continuously monitors problems with code duplication.
Pascus @Pascusnou
56 Followers 2K Following
Will @WillAldred
209 Followers 496 Following MCR. LJMU Grad. PT. Part Time Footballer, IT Recruitment Consultant, Podcaster & attempted golfer!
Mihai Matica @mihai_matica
2 Followers 62 Following
David Fowler @davidfowl
146K Followers 1K Following Distinguished Engineer at Microsoft, Creator of NuGet, SignalR, https://t.co/PiydKAsC8g Core, Aspire and Barbadian 🇧🇧, Tennis Player, Father, other half @symonefowler
Scott Hanselman 🌮 @shanselman
333K Followers 10K Following VP, Member of Technical Staff @ MSFT/GitHub - Code, OSS, STEM, Beyoncé, T1D, #DevRel YouTube/TikTok and listen to the @Hanselminutes tech podcast
Pete Gallagher - Azur... @pete_codes
5K Followers 5K Following App Architect Manager @Avanade 5xMVP+MCT @pluralsight author Org @NottsIoT @dotnetnotts @NottsDev @Latiltd @agileengpodcast @azureishlive @iotealive
Jamie Maguire @jamie_maguire1
7K Followers 4K Following AI Engineer | Architect | Microsoft MVP (AI) | Technical Author Built: https://t.co/GzbDwGzSMz | https://t.co/Q7BWy2EzlS | https://t.co/6urcQS9MF3
David Pine @davidpine7
9K Followers 938 Following 💜 Loving husband & father. 🤓 Building https://t.co/88FvjVUTxK @Microsoft. 🏫 @oreillymedia and @dometrain author. 🔥 #csharp #ts #polyglot #aspire #aspnet #signalr
Dan Patrascu @danpdc
4K Followers 268 Following I’ve spent 15 years building software systems. Now I’m building the system that builds systems as the CTO @ Atherio
ASP.NET Core News @aspnetcore_news
30K Followers 501 Following We ❤️ #AspNetCore - Submit your blog posts and articles on https://t.co/v3ixUompmj to increase the chance of being shared.
Dan Clarke 🎙 @dracan
4K Followers 2K Following 👉 Links to all my socials, the podcast, newsletter, YouTube, courses, blog, and more. can be found on my personal website: https://t.co/2EKxnr4ZeO
Layla @LaylaCodesIt
8K Followers 779 Following Founder @NovemberNorth_ Enterprise dev 💻 Game Prod/Dev 🏗️ Int'l speaker 🗣 @dotnet MVP 🏆 Nemophilist 🌲 🐕 Dogs not cats 🐕 My own crazy thoughts. she/her
Konrad Kokosa @konradkokosa
15K Followers 5K Following Principal Software Engineer at Microsoft • .NET runtime/GC • AI/LLM • Pro .NET Memory book • @crowdpub_org founder • ex @dotnetosorg • AFOL
Luis Quintanilla.rss @ljquintanilla
1K Followers 2K Following AI whisperer wandering the shifting sands of the desert of the real . Semi-fluent in the language of machines, with an affinity for the F# dialect.
Steve Gordon @stevejgordon
10K Followers 788 Following Microsoft MVP | Pluralsight Author | Principle Eng. @elastic | Blogger | Speaker | https://t.co/VOKk8DWi9i | @[email protected] | He/Him
.NET @dotnet
340K Followers 850 Following Free. Cross-platform. Open source. A developer platform for building all your apps. Official handle of the .NET team at Microsoft.
Martin Fowler @martinfowler
353K Followers 164 Following Author on Software Development. Works for Thoughtworks. Also hikes, watches theater, and plays modern board games. He/him.
Heather Downing @quorralyne
7K Followers 773 Following Data•AI•Agents•.NET•Fintech 👩💻 Software dev with love for aviation ✈️ 🏅 7x @MVPAward 🗣️ Organizer @kc_dc 🎤 Vocals @_Linebreakers_ 🥑 DevRel @Yugabyte
Veronika Kolesnikova @veronika_dev1
2K Followers 624 Following Principal AI Engineer. 7x Microsoft MVP (AI). Public speaker, @bostonazureai co-organizer. Loves dancing, traveling and aerial fitness
Lee Englestone 💡�... @LeeEnglestone
2K Followers 2K Following Innovator | Engineering Manager | Author | Microsoft MVP | MSc Entrepreneurship & Innovation
Maarten Balliauw 🦋... @maartenballiauw
10K Followers 575 Following Duende Software. Founded @SpeakerTravel_. Frequent speaker. Opinions are my own. Mostly abandoned X. Find me on 🦋 @maartenballiauw.be
Pliny the Liberator �... @elder_plinius
210K Followers 1K Following ⊰•-•⦑ latent space steward ❦ prompt incanter 𓃹 hacker of matrices ⊞ breaker of markov chains ☣︎ ai danger researcher ⚔︎ bt6 ⚕︎ architect-healer ⦒•-•⊱
dotnetnews @dotnewsletter
4K Followers 400 Following Free programmer's newsletter delivering curated Microsoft .NET and C# blogs, news, and articles from all over the Internet. managed by @jasenf
SoftwareDesign&Dev @sddconf
5K Followers 886 Following Software Design & Development conferences take place in London in May and November, & feature in-depth sessions on key topics delivered by world-class speakers.
Anatol Salaru @SalaruAnatol
2K Followers 139 Following
Matthew Bolaños @msftpowermatt
311 Followers 407 Following #pm at @microsoft; empowering every developer with the technology to build their own AI powered apps with #SemanticKernel.
Manning Publications @ManningBooks
31K Followers 2K Following Follow Manning Publications on X and get exclusive discounts, product announcements, author news, and great content.
Andrew Ng @AndrewYNg
1.6M Followers 1K Following Co-Founder of Coursera; Stanford CS adjunct faculty. Former head of Baidu AI Group/Google Brain. #ai #machinelearning, #deeplearning #MOOCs
Daniel Burrus @DanielBurrus
73K Followers 34K Following #1 Bestselling Author Flash Foresight & The Anticipatory Organization #1 Amazon, Global #Futurist, #DisruptiveInnovation Expert & #KeynoteSpeaker #AI Keynote
MLCON @mlconference
778 Followers 184 Following Global Community and Events for Gen AI & ML Engineering. Get exclusive webinars, recordings, whitepapers & cheat sheets.
Joe Wilson @joewilson0
738 Followers 2K Following Senior Microsoft Backend and Cloud Developer | C#, .NET, Azure
Google Labs @GoogleLabs
210K Followers 73 Following Google’s home for our latest AI tools and experiments.
CSharp.TV @CSharpDotTV
2K Followers 91 Following Official @csharpcorner account for all the live shows and virtual conferences!
Alex Chao @alexchaomander
899 Followers 365 Following Doing AI Research Toward a Better Future Prev @Microsoft, @Uber_ATG, @C3_AI, @SambaNovaAI. Christian, husband, and writing my newsletter Chaos Theory.
Sam Schillace @sschillace
3K Followers 855 Following Buying too many pens, playing too much mandolin. Empty nester with a full head. Chaotic Neutral.
Moritz Kremb @moritzkremb
72K Followers 656 Following I tinker with AI and share what I learn along the way | Ex-PM | Now deploying AI agents for businesses - work with me https://t.co/e7eadXnscG
OpenAI @OpenAI
4.9M Followers 4 Following OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. We’re hiring: https://t.co/dJGr6LgzPA
Fiodar Sazanavets �... @FSazanavets
1K Followers 151 Following Senior AI engineer | Fractional CTO | ex Microsoft | bestselling technical author | software development mentor
Carlos Fernandez @CFzDevelop
46 Followers 63 Following “Dream yesterday, Invent today, Release tomorrow.” #dotnet #csharp #performance #cleanperformance #DATEVBotschafter
Ronald van Loon @Ronald_vanLoon
353K Followers 163K Following Helping AI driven companies generate value•Top10Influencer #AI #BigData #DataScience #IoT #MachineLearning #Analytics #Cloud
David Rivard @david_rivard
1K Followers 2K Following Power Platform Architect | Developer | former Microsoft MVP
Bryan Johnson @bryan_johnson
1.4M Followers 658 Following Conquering death will be humanity’s greatest achievement.
Brendan Tierney @brendantierney
9K Followers 587 Following Data | Big Data | Data Science | Data Engineering | Machine Learning | Artificial Intelligence | Data & Digital Ethics | Author @MITPress @MHEducation & others
Santiago @svpino
452K Followers 565 Following Computer scientist. I teach hard-core AI/ML Engineering at https://t.co/THCAAZcBMu. YouTube: https://t.co/pROi08OZYJ
dotnet.amsterdam @dotnetamsterdam
808 Followers 916 Following dotnet Amsterdam moved to https://t.co/D10LVs0oCD
George Buhnici @gbuhnici
665K Followers 2K Following Journalist since 1997. Passionate about technology, innovation and sustainability. Geek. Cringe Master!
Priyanka Shah @fuzzymind1
340 Followers 356 Following Microsoft AI MVP AI/ML Solution architect. Passionate about technology, painting, music, avid reader. Public speaker for AI, ML, Azure.
Carla Vanesa Mamani C... @CarlaMamaniCha1
164 Followers 131 Following Microsoft AI MVP | GitHub Campus Expert |Gold Microsoft Learn Student Ambassador | Community Leader MLSA La Paz | Co-founder MLSA El Alto, Cochabamba | Speaker
Radu Hossu 🇹🇩�... @RaduHossu
71K Followers 806 Following https://t.co/79pJqONIYU | #NAFO Fella | Political Strategist | Support my work if you feel it brings value here: https://t.co/cqAy3elGmV
Euromaidan Press @EuromaidanPress
372K Followers 2K Following Your trusted source for news and views on 🇺🇦 Bridging Ukraine with the English-speaking world since 2014. 💛 https://t.co/NjvZyYSu7U
UX & Bootstrap @3rdwave_themes
7K Followers 1K Following UX-centered Bootstrap templates made for #developers ❤️ by Xiaoying Riley. Get 20+ FREE templates now:👇
Europol @Europol
144K Followers 871 Following The European Union Agency for Law Enforcement Cooperation #MakingEuropeSafer (Account inactive)
Microsoft Reactor @MSFTReactor
88K Followers 733 Following Microsoft Reactor provides local language events and community resources to help developers build on AI technology. Virtual events are on anytime, anywhere!
NEXTA @nexta_tv
1.3M Followers 223 Following The largest Eastern European media. To let the world know. Our YouTube: https://t.co/n63zDXn9Mn Support us: https://t.co/AfUDiu1T1y
🐳 Grota Balenelor @grotaBalenelor
3K Followers 278 Following |⚡ 🌑🌒🌓🌔🌕 HT : @lcsfy 🌕🌖🌗🌘🌑 ⚡| 📊 Entuziast Crypto | 💻 IT guy | 📽 Youtuber | 💰 HODLer de #EGLD | 🚜 Fermier de #LKMEX | 👧🏼🧒🏻
Christian Nagel @ChristianNagel
2K Followers 1K Following .NET book author, consultant, trainer, software developer & architect, Microsoft MVP, founder of CN innovation...
Multiversᕽ @MultiversX
989K Followers 477 Following #MultiversX is a distributed blockchain network for next-gen applications. Decentralized via 3200+ nodes, scalable through sharding, fast, secure, and green.
holoride @holoride
72K Followers 230 Following We turn vehicles into moving theme parks and drive the future of in-car entertainment | $RIDE
DEV Community @ThePracticalDev
317K Followers 3K Following The Twitter account that launched https://t.co/TJyCu2S5ZF. Built on @forem 🌱 On Bluesky @/https://t.co/TJyCu2S5ZF No DMs — please email us for support!
Waqar Tahir @WaqarHunjra
165 Followers 940 Following Full-Stack .NET Developer | Docker | Kubernetes
Arafat Tehsin @arafattehsin
2K Followers 162 Following Microsoft MVP (AI), Founder of Fedorai & Advisor to Startups. ❤ to code for all things #MicrosoftFoundry, Co-organizer @AzureSydneyUG, #CodexSydneyMeetup



















