Raphael Costa @raphaelcosta
prev @gumroad @pipefy - @joinodf 25 @500GlobalVC Batch 14 @techstars NY 25 crossxcheck.com San Francisco, CA Joined May 2009-
Tweets18K
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Followers874
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Following5K
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Likes29K
WTF is SF Tech Week? Isn’t every week tech week there LMAO
These are @posthog menus. This is crazy! And they are telling us they can self drive our products?
@RaulOnRails do this x.com/gregisenberg/s…
I literally can't think of a better risk/reward bet right now than building a ChatGPT plugin and getting in front of their 1.2 billion weekly users. As of yesterday, ChatGPT recommends plugins in the middle of conversations. Millions of questions get asked every day with no
remember resolving a merge conflict by hand
@0xSigil @extraordinary @cosign add me! O1
Jev is giving GPT-3 ~2020 early demo vibes
@hackgoofer Feedback: Need to be more clear in the UI and have a link to the Billing (which is hard to find) when reached the $5 limit
@amasad why not use this first, then train on the data generated once you know it works?
trying @underdogdotai is on my list. anyone got an invite?
it’s honestly so funny how bad the iPhone Duo mogs the Galaxy Fold8 Apple redesigned iOS’s ENTIRE core UI for this new form factor …meanwhile Samsung just copied the Duo leaks with ZERO effort. making a phone where only 20% of the Messages app can show messages 😍
this is clever af.
They crushed it with the Duo.
I just got @raphaelcosta from the X Handle Marketplace! Get your own at handles.x.com
i hate worktrees, my mac now has 1gb storage left
@InfiniteJulian0 when I saw the X trend, I thought it was the Argentinian player
nicole grossmann @nicolegrossmann
56 Followers 69 Following building @vigillabs | ml @ georgia tech | math @ columbia | founding team @ Enter AI
MEGAMU @MEGAMUOnline
21K Followers 22K Following Jogador viciado em MEGAMU, servidor de Mu Online com mais de 40.000 Players ON. Cria a conta pelo link do perfil pra ganhar 10 dias VIP!
Nicolai @nicomoel
4K Followers 6K Following Building/buying 100 companies per year | GP @ Bifrost & Scaleup Finance | Venture builder | Micro-PE
Jeffrey Emanuel @doodlestein
51K Followers 14K Following Former Quant Investor | My Open Source Projects: https://t.co/9qbOCDlaqM | Try https://t.co/oCtjI2mBIl , my collection of agent coding tooling.
FrOfertas - Cupons @FROfertas
14K Followers 7K Following Todo dia procurando ofertas e cupons para você pagar menos. Se você gosta de comprar mais barato, é só entrar em nossos grupos pelo link! https://t.co/A7nrBIxcNB
OpenWhispr @openwhispr
354 Followers 42 Following Privacy first, open source dictation and meeting recordings without a bot. 100% free with local models or bring your own key.
Colin Francis @colifran_
636 Followers 115 Following software engineer @LangChain, prev @awscloud i like agents and memory. i helped build bedrock agentcore memory. i'm currently helping build openwiki.
rusa @rusabuilds
572 Followers 427 Following i like *nix, coding and hardware. building the tools i need.
Sven Myhre @svemyh
4K Followers 10K Following co-founder @ReasonMachines // cloud coding agents // eecs @ucberkeley
Vovó Achadinhos @vovoachadinhos
49K Followers 7K Following Oii, meus netos! 💓 A vovó garimpa as melhores ofertas pra vocês 💕 🛒 Achadinhos da Shopee e Mercado Livre
Jason Freedman @jasonfreedman
12K Followers 4K Following GP Orange Collective - The YC Unc Fund | YC alum: S09 and W12 | Investor in Starcloud, Corgi, Mastra, Ironclad, Steadily, Browser-use and 100+ more
Angel @creativelyange
2K Followers 3K Following tech creator, indie hacker, designer. 25k on TT, 20k IG, 10k YT. Worked with Replit, Cursor, spaceX, Arcads, Etc. prev. @fdotinc @hootsuite
mr_r0b0t @mr_r0b0t
11K Followers 8K Following https://t.co/0hLf76cK36 https://t.co/hJPF2vCxXx https://t.co/6IbAvxL4xQ observer of a human on a rock somewhere in space
Yash Shah @YashShah369
1 Followers 212 Following
Jason Seibel @JasonSeibel
354 Followers 248 Following Co-creator of pgrust: https://t.co/AIOEC49svY - MIT 2020
dennis @lifegetsdicey
830 Followers 576 Following employee 3 @interfaze_ai (YC P26) | prev @polymarket @contrarioai (YC W25) | ex-consulting @pwc humanizing the world of tech 🙂
🌟 Amy Latina @amybliss8352le
14 Followers 665 Following feel the heat ❤️🔥 watch my main: @amyblissxo
Keana Alabre @Keanaalabre
5K Followers 733 Following Founder | Talent Matchmaker 🎯 | Connecting Top Talent with YC & VC Backed Startups | a16z Speedrun (SR005)✨• Hiring or looking to join a startup? Reach out!🗣️
Friday Ofertas - Acha... @FridayOfertas
34K Followers 17K Following Todo dia procurando ofertas para você pagar menos. Se você gosta de promoções siga e ative as notificações. ❤️
Dmitry Tsepelev @dmitrytsepelev
696 Followers 378 Following Backend Engineer | Open–source activist | Conference speaker | Ask me about Ruby, GraphQL and PostgreSQL
Lux @textluxhq
97 Followers 553 Following I'm your personal AI assistant. Text me to research, plan, build and get things done. Early Access is now live @ https://t.co/sqJl6OonpC
Online success-Respon... @Online_Tm46
0 Followers 26 Following
Victoria Melnikova @vmelnikova_en
1K Followers 521 Following business at @evilmartians + Dev Propulsion Labs podcast Join SF Ruby conference on November 12-12 at SFJAZZ
Shabina Siddiqui @shabina2503
4K Followers 7K Following Software Developer 💻 Crafting cybersecurity integrations with code & logic | Tech, security, and continuous learning | Avid reader 📚 passionate about food🍝
dale @daleverett
4K Followers 4K Following co-founder @polygres (YC F’26) ➡️https://t.co/C9ERwqbj9a by ➡️https://t.co/Osu8LGzU7d backed by @ycombinator @fdotinc / twin @daltonmeon
Suraj Sharma @suraj_sharma14
22K Followers 3K Following Helping builders get into AI, startups & global opportunities
TBVN - Tech Business ... @TBVNetwork
312 Followers 4K Following We Track the flow of venture money across tech & Business— founder signals, LP/GP/VC/SPV activities. 👇 to Subscribe to our Newsletter https://t.co/ngJ1IcXcjA
Gabriel Jesus - Maili... @gabrieljesmai
63 Followers 326 Following Fundador @ https://t.co/wD3Jywl1ra - App para Founders
David Boskovic @dboskovic
3K Followers 2K Following co-founder @obvious • building the friendliest software factory in the world • running hackathons weekly https://t.co/b5ms0A7wJk • e/acc
ProhostAI @prohostAI
352 Followers 320 Following Workspace for Humans & AIs. AI Messaging, AI Employees, AI Team Chat, AI phone, AI Tasks and 50+ apps all in one AI workspace Backed by YC (S24), Pear VC (S24).
Samriddho @sam_ridd_ho
2K Followers 4K Following Building something tacit. Prev built AI agents for GTM (acq. by @oracle) also a close up magician. @ucberkeley 🦁
Sai Satvik @saisatvik_
8K Followers 765 Following Helping startups turn complex products into websites that convert | Trusted by Minerva, Midship & teams behind $100M+ raised | DM me “Growth” for Details
Guilherme Lima @guilimadealflow
3K Followers 2K Following VC investor, investing in 🇧🇷founders . ✍💭 at @DealflowBR
Aaro Isosaari @aaroisosaari
2K Followers 981 Following AI/product @aiven_io, prev. co-founder @flowaicom (acquired)
Iago Maciel @_iagomaciel
960 Followers 2K Following building @ pacific machines. An applied AI lab for how people and machines work together.
Supabase @supabase
211K Followers 101 Following The Postgres development platform. 🌐 https://t.co/kHsst88XA1 ⭐️ https://t.co/txGagqok1i 🎥 https://t.co/6eTjCTIrzK 💬 https://t.co/ikFm89oPVI
trash @trashh_dev
126K Followers 477 Following i use one password. i like snacks, typescript, anime, pokémon, starcraft, and bjj.
✨ Phil Calçado @pcalcado
10K Followers 4K Following Headed engineering at companies with either billions of users and no revenue, or billions in revenue and no users.
I Am Devloper @iamdevloper
394K Followers 0 Following just your friendly neighbourhood printer fixer https://t.co/dpbMMOSkkx - 100x engineer exam 📮 the friday email: https://t.co/R2yrGKuPNU
Spline @splinetool
112K Followers 4K Following 3D Design that runs in the browser. Building @omma_ai
Rafael Rosa @rafaelrosafu
3K Followers 182 Following
eltonminetto.dev @eminetto
13K Followers 220 Following Software developer, Teacher, speaker. Principal Software Engineer at @picpay. Co-organizer of @gopherconbrasil. @GoogleDevExpert in Go
DHH @dhh
918K Followers 467 Following Father of three, Creator of Ruby on Rails + Omarchy, Co-owner & CTO of 37signals, Shopify director, NYT best-selling author, and Le Mans 24h class-winner.
Sumanth @Sumanth_077
77K Followers 883 Following Simplifying LLMs, ML & AI agents for you • Founder @devable_ai, building growth engines for AI-native devtools • Shipping open-source AI apps
Max Stoiber @mxstbr
57K Followers 412 Following Plugins, MCP, Skills at @OpenAI. Prev Director of Engineering @Shopify, co-founder and CEO @Stellate (acq. by Shopify), co-creator of styled-components.
Treg @treg_ai
4K Followers 15 Following OpenRouter for tools - 2,600 agent-friendly tools, pay for the usage, 0% markup Github: https://t.co/6VH7rfDdbW
iury souza @IurySza
1K Followers 1K Following • Platform Eng @Sumup • Co-host 🎙️ @FragmentedCast • @googledevexpert • https://t.co/TtEH1CDMUT • Mobile / Agent Tooling • Terminal maximalist
alex zhang @a1zhang
40K Followers 1K Following phd student @mit_csail @nlp_mit, previously undergrad @princeton
Marlins_Man @marlins_man
19K Followers 232 Following 1st Responders, Teachers, Healthcare workers & Military are real HEROES. make Sept 11th Labor and 1st Responders Day #PayitForward
12 Scrappy Founders @12founders
155 Followers 95 Following Outdoor endurance community for founders in the Bay Area. No boring dinners. Think hard hikes, dirt-biking, go-karting, soccer, pickle, camping & poker nights.
EMILY SUNDBERG @Emily_Sundberg
20K Followers 2K Following I write a daily newsletter about the spirit of enterprise on @substack called Feed Me. [email protected]
Coinbase 🛡️ @coinbase
7.2M Followers 190 Following The future of finance is on Coinbase. For support: @CoinbaseSupport
Vigil Labs @vigillabs
2K Followers 2 Following
nicole grossmann @nicolegrossmann
56 Followers 69 Following building @vigillabs | ml @ georgia tech | math @ columbia | founding team @ Enter AI
brandon galang ▲ @brandon_galang
7K Followers 3K Following writing for the version of me who thought he was stuck • building with AI & career moves • PM » applied AI engineer (gtm eng) @vercel • POVs my own
Emma Scharfman @EmmaScharfmann
1K Followers 281 Following ML for science 🤗 @huggingface open science 🔍 + open data 📈 = progress
Jeff Boudier 🤗 @jeffboudier
6K Followers 706 Following Product + Growth @HuggingFace 🤗, the #1 open platform for AI builders. Co-founder Stupeflix (acquired by @GoPro).
Perplexity Developers @perplexitydevs
8K Followers 39 Following Official @perplexity_ai developer account for real-time API updates.
Oracle AI Database @OracleDatabase
187K Followers 218 Following Available on-prem or in the cloud, #OracleDatabase enables you to simplify relational #database environments and reduce management workloads.
Chipstrat @chipstrat
5K Followers 4 Following Semis, infra, optics/networking, physical AI, and more from @austinsemis. If you like Stratechery and SemiAnalysis, you're in the right place
Imaan Sultan 🇵🇰... @imaanxsultan
2K Followers 283 Following ur fav saudi princess in startups 💌 | growth marketing lead @llama_index i design + do cool parties 4 fun
Max Podgorski @maximepodgorski
170 Followers 58 Following shipping @enobaseHQ (hx26) co-founder @getlyse
Deccan Queen on Rails @hideccanqueen
85 Followers 3 Following Rails conference born in the city of Pune | Coming Soon 🚆
Burak Karakan @burakkarakann
511 Followers 574 Following software engineer, co-founder & ceo @ Bruin
General Medicine @GeneralMedicine
2K Followers 3 Following Your healthcare store. Search, compare, and buy care with real prices and a clinician to guide you.
Sean brydon @SeanBrydon13
2K Followers 665 Following senior full stack developer at https://t.co/53K8aYor1Z prev: @accenture | professional timezoner
James Burnham @BurnhamDC
22K Followers 260 Following Doing legal things @SpaceXAI and @X. Board of Directors @presidiosf. Former @WhiteHouse @TheJusticeDept and @DOGE.
Presidio of San Franc... @presidiosf
7K Followers 711 Following Enjoy news, photos, and tips for experiencing all the Presidio has to offer. This is the official Twitter site for the Presidio and the Presidio Trust.
Ethan Evans @EthanEvansVP
40K Followers 24 Following Former Amazon VP (70+ patents; 1,000+ hires; led global teams of 800+). Now Training Leaders to become True Executives.
dhillon @dhillondiaryy
1K Followers 294 Following Social @noondesign | Your guide to SF - events, food, & hidden gems (30k+ Ig/Tiktok, 8M+ views)
ana @anamika__x
3K Followers 963 Following startup law | special projects @ ai-native law firm | prev @freshfields @clifford_chance @lsenews
Jose @ragojose
8K Followers 992 Following co-founder @basementstudio, designer and angel investor. building @xmcp_dev
The MIT Press @mitpre... @mitpress
76K Followers 3K Following Committed to the daily re-imagining of what a university press can be since 1962. | RTs ≠ endorsements
Nizam @nizamdesign
9K Followers 2K Following I design SAAS, AI products & build marketing sites that win you deals. Building - Next-Gen Agentic Design Studio!
engineer cat 🐈 @MLCatttt
4K Followers 472 Following training civilizations @BanburyRoadAI | a16z sr007 | prev maths&stats @UniofOxford | ex-hot pot restaurateur
Berci Meskó, MD, PhD @Berci
77K Followers 92 Following The Medical Futurist, Author of "Your Map to the Future", Global Keynote Speaker, and Futurist Researcher
Annie Jacobsen @AnnieJacobsen
157K Followers 997 Following Bestselling author & Pulitzer Prize finalist whose science fact reads like science fiction. Audiences include the Vatican, the UN, Joe Rogan, you. Stay informed
filipe @filicroval
154K Followers 297 Following data eng | serendipity business inquiries: [email protected]
Blackfrost_SI @Blackfrost_AI
7K Followers 664 Following Leader in Super Intelligence, S.I. startup specializing in cybersecurity and custom security models. ❄PRO open source
Audn AI @audn_ai
1K Followers 13 Following https://t.co/NKZWkNGJuZ finds vulnerabilities in the AI agents before the hackers do !

































