Move Slow and Fix Things(endler.dev)
54 points by ahmedhossamdev | 0 comments
Matthias Endler's essay arguing against VC-funded hustle culture and for small, bootstrapped, sustainable businesses, critiquing Paul Graham's startup advice.
#y-combinator on Hacker News
58 stories tagged y-combinator, newest first.
Launch HN: Alter (YC S25) – Access control for multi-user agents(alterauth.com)
60 points by simfinii | 44 comments
Landing page for Alter, a YC S25 startup offering a proxy that manages credentials, policies, and audit logs for AI agents acting on behalf of multiple users.
Launch HN: Laminar (YC S24) – RL-trained model that finds errors in agent traces
57 points by skull8888888 | 23 comments
Launch HN post for Laminar, an open-source AI agent observability platform introducing flow-1, an RL-trained model that finds errors in agent traces.
Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents
151 points by vishnukool | 104 comments
Launch HN post for Agent37, a YC startup offering low-cost sandboxes for running AI agents, explaining its cost-reduction techniques like gVisor and non-hyperscaler hosts.
![Screenshot of youtube.com: What if we stopped using GPUs? [video]](https://hn.urlbox.com/shots/renders/2026/10/2/66efc8e9-e19f-47cc-a485-642f7ec621ba.jpg)
What if we stopped using GPUs? [video](youtube.com)
36 points by sandslash | 8 comments
YouTube video from Y Combinator's Paper Club, about 1h20m long, discussing the LeWorldModel paper on stable end-to-end JEPA world models trained from pixels.
Show HN: Whiteboard (YC W26) – An open-source IDE for thoughtful software design(github.com)
395 points by sidharthkmenon | 129 comments
GitHub repository for Whiteboard, an MIT-licensed desktop IDE built on Code-OSS where developers and AI agents collaborate on software design via diagrams and diffs.
Launch HN: Coverage Cat (YC S22) – Umbrella insurance via your personal agent(coveragecat.com)
45 points by botacode | 28 comments
Homepage of Coverage Cat, a licensed insurance broker for comparing home and umbrella coverage, with an MCP/agent API for personal AI agents.
Garry Tan wants US open-weight AI labs to 'distill' frontier models, too(techcrunch.com)
360 points by TheJCDenton | 192 comments
TechCrunch article reporting that Y Combinator CEO Garry Tan wants US open-weight AI labs to distill frontier models.
![Screenshot of youtube.com: The largest electric aircraft just flew [video]](https://hn.urlbox.com/shots/renders/2026/9/4/9828b35b-7c3d-4385-86ba-49e92a9cb6b9.jpg)
The largest electric aircraft just flew [video](youtube.com)
459 points by feb | 344 comments
Y Combinator YouTube video titled "The World's Largest Electric Aircraft Just Flew," about a record-size electric plane's first flight.
Being ambitious and being a dad(nicholascharriere.com)
867 points by nichochar | 675 comments
Personal blog post by Nicholas Charriere on balancing startup ambition with being a father of two, referencing Paul Graham's essay on having kids.
qm – Multiplayer agent harness for work(github.com)
644 points by tosh | 151 comments
GitHub repository for qm by Y Combinator software, an open-source MIT-licensed multiplayer agent harness for work.
Thanks HN for 15 years of support and helping me find my life's work
780 points by nicholasjbs | 99 comments
Recurse Center cofounder's HN post marking its 15th anniversary, recounting its YC origins, pivot to a programming retreat, and HN's role in its growth.
Hey Nico, you didn't vibe code your data room but stole it from Papermark(twitter.com)
579 points by mmunj | 253 comments
X post by Papermark founder Marc Seitz accusing Corgi's Nico Laqua of copying Papermark's open source and enterprise-licensed code for a data room product.
How to earn a billion dollars(paulgraham.com)
634 points by kingstoned | 1643 comments
Paul Graham essay, based on an Oxford Union talk, explaining how people become billionaires, chiefly by starting successful startups.
Garry Tan, the CEO of YC, accused me of unethical reporting(radleybalko.substack.com)
403 points by gok | 100 comments
Radley Balko's Substack post responding to Y Combinator CEO Garry Tan's accusation that his reporting was unethical.
Delve removed from Y Combinator(ycombinator.com)
435 points by carabiner | 264 comments
Y Combinator company directory page for Delve, now returning a 404 File Not Found error after the listing was removed.
Tell HN: YC companies scrape GitHub activity, send spam emails to users
546 points by miki123211 | 204 comments
A Tell HN post reporting that YC startup RunAnywhere and Voice.AI scraped GitHub commit data to send unsolicited marketing emails, raising GDPR concerns.
Thank HN: You helped save 33k lives
1042 points by chaseadam17 | 104 comments
Watsi's founder thanks Hacker News, reflecting on 13 years of the YC nonprofit funding 33,241 surgeries and on founder burnout.
RevisionDojo, a YC startup, is running astroturfing campaigns targeting kids
368 points by red-polygon | 65 comments
Hacker News text post alleging YC-backed IB test prep startup RevisionDojo runs astroturfing and fake review campaigns on Reddit targeting students.
My open source project was relicensed by a YC company [license updated](twitter.com)
669 points by sohzm | 343 comments
A tweet by a developer saying a Y Combinator-backed company relicensed his open source project, with a later update about the license being changed.
![Screenshot of youtube.com: Andrej Karpathy: Software in the era of AI [video]](https://hn.urlbox.com/shots/renders/2025/6/19/02a9b2f5-6352-4dd8-82bd-7e40d4498927.jpg)
Andrej Karpathy: Software in the era of AI [video](youtube.com)
1382 points by sandslash | 757 comments
YouTube video from Y Combinator of Andrej Karpathy's talk "Software Is Changing (Again)" about how AI and LLMs are reshaping software.
Tell HN: Help restore the tax deduction for software dev in the US (Section 174)
2326 points by dang | 845 comments
A Hacker News post by moderator dang urging US taxpayers to sign a letter to lawmakers to restore immediate deduction of software development expenses under Section 174.
Find Your People(foundersatwork.posthaven.com)
715 points by jl | 254 comments
Jessica Livingston's 2025 Bucknell University commencement speech, titled "Find Your People," posted on her Posthaven blog.
![Screenshot of storage.courtlistener.com: US vs. Google amicus curiae brief of Y Combinator in support of plaintiffs [pdf]](https://hn.urlbox.com/shots/renders/2025/5/10/d9659992-fe4d-4df1-a037-8cd71d4373a3.jpg)
US vs. Google amicus curiae brief of Y Combinator in support of plaintiffs [pdf](storage.courtlistener.com)
402 points by dave1629 | 862 comments
PDF of Y Combinator's amicus curiae brief supporting the plaintiffs in the US Department of Justice antitrust case against Google.
Launch HN: Exa (YC S21) – The web as a database
387 points by willbryk | 129 comments
Launch HN post introducing Exa Websets, an embeddings-powered search engine that uses LLM agents to verify results and returns them as enrichable tables.
Tell HN: Announcing tomhow as a public moderator
1738 points by dang | 451 comments
Tell HN post by dang announcing Tom Howard (tomhow) as a new public Hacker News moderator, with a short introduction from Tom.
Y Combinator urges the White House to support Europe's Digital Markets Act(techcrunch.com)
458 points by mrkramer | 337 comments
TechCrunch article reporting that Y Combinator is urging the White House to back the EU's Digital Markets Act.
Happy 20th Birthday, Y Combinator(twitter.com)
1350 points by btilly | 245 comments
An X (Twitter) post by Garry Tan marking Y Combinator's 20th birthday; the post content did not load in the capture.
YC Graveyard: 821 inactive Y Combinator startups(ycgraveyard.iamwillwang.com)
349 points by memalign | 205 comments
A directory site listing 821 inactive Y Combinator startups across 39 batches and 50 industries, with batch and industry labels.
I'm Peter Roberts, immigration attorney, who does work for YC and startups. AMA
353 points by proberts | 360 comments
Hacker News AMA thread with immigration attorney Peter Roberts on U.S. immigration law for startups, focusing on the new administration's policy impact.
I Met Paul Graham Once(okayfail.com)
886 points by DamonHD | 547 comments
Personal essay by Phill Mendonça-Vieira recounting meeting Paul Graham at Y Combinator in 2015 and reflecting on feeling unsupported as a queer person in tech.
Launch HN: Double (YC W24) – Index Investing with 0% Expense Ratios
400 points by jjmaxwell4 | 394 comments
Launch HN post for Double (YC W24), a $1/month direct indexing service offering 50+ index strategies with 0% expense ratios and tax-loss harvesting.
Y Combinator often backs startups that duplicate other YC companies, data shows(techcrunch.com)
342 points by isaacfrond | 171 comments
TechCrunch article reporting data showing Y Combinator frequently funds startups that compete directly with other YC companies, beyond just AI code editors.
Launch HN: Regatta Storage (YC F24) – Turn S3 into a local-like, POSIX cloud FS
571 points by huntaub | 308 comments
Launch HN post introducing Regatta Storage, a pay-as-you-go cloud file system that caches and syncs S3 data with local-like POSIX performance.
Y Combinator Traded Prestige for Growth(unfashionable.blog)
416 points by SvenSchnieders | 191 comments
Blog post on the Unfashionable blog arguing that Y Combinator has traded its prestige for growth by expanding batch sizes.
Founder Mode, hackers, and being bored by tech(ianbetteridge.com)
319 points by rpgbr | 173 comments
Blog post by Ian Betteridge on Silicon Valley's founder cult, contrasting Aaron Swartz and Sam Altman, and growing boredom with tech.
Ask HN: Why is Pave legal?
859 points by nowyoudont | 358 comments
Ask HN thread questioning whether Pave, a YC-backed compensation benchmarking startup that pools payroll data, amounts to illegal anti-competitive wage fixing.
Founder Mode(paulgraham.com)
1162 points by bifftastic | 662 comments
Paul Graham essay from September 2024 arguing founders should run growing companies differently from conventional manager-style advice, inspired by Brian Chesky's talk.
Launch HN: Sorcerer (YC S24) – Weather balloons that collect more data
350 points by tndl | 164 comments
Launch HN post introducing Sorcerer, a YC S24 startup building long-duration weather balloons that collect atmospheric sounding data cheaply worldwide.
Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane
678 points by n_ermosh | 541 comments
Launch HN post from Airhart Aeronautics (YC S22) describing their fly-by-wire personal airplane with simplified controls aimed at non-pilots.
I got tired of hearing that YC fired Sam, so here's what actually happened(twitter.com)
665 points by hakanderyal | 575 comments
A post by Paul Graham on X explaining the circumstances of Sam Altman leaving his role as Y Combinator president, disputing claims he was fired.
3D + 2D: Testing out my cross-platform WASM graphics engine
535 points by seanisom | 151 comments
A former Adobe engineer introduces Renderlet, a WebAssembly-based cross-platform graphics framework, and demos running the Rive 2D renderer on its Wander GPU runtime.
Launch HN: Aqua Voice (YC W24) – Voice-driven text editor
687 points by the_king | 230 comments
Launch HN post introducing Aqua Voice (YC W24), a voice-native document editor combining dictation with natural-language editing commands via LLMs.
The Reddits(ycombinator.com)
395 points by sandslash | 672 comments
Y Combinator blog post by Paul Graham, published March 2024, recounting the story of Reddit's founders in YC's Founder Stories series.
YC: Requests for Startups(ycombinator.com)
457 points by sarimkhalid | 483 comments
Y Combinator's Requests for Startups page listing idea categories YC wants founders to work on, such as ML for robotics, defense, manufacturing, and space.
'Stupid,' 'shameful:' Tech workers on Y Combinator CEO Garry Tan's rant(missionlocal.org)
320 points by Stratoscope | 319 comments
Mission Local article gathering San Francisco tech workers' reactions to Y Combinator CEO Garry Tan's rant targeting city supervisors.
A list of Hacker News's undocumented features and behaviors(github.com)
534 points by ssgodderidge | 208 comments
A GitHub README by minimaxir cataloging undocumented features and behaviors of Hacker News, such as karma effects, ranking penalties, and moderation mechanics.
Before OpenAI, Sam Altman was fired from Y Combinator by his mentor(washingtonpost.com)
897 points by CartyBoston | 680 comments
Washington Post article reporting that Sam Altman was pushed out of Y Combinator by mentor Paul Graham before his OpenAI ouster.
Launch HN: Radical (YC W23) – Autonomous high-altitude solar aircraft
382 points by jthomaslm | 199 comments
Launch HN post where Radical (YC W23) founders introduce their autonomous solar-powered aircraft designed for months-long flight in the stratosphere.
Why you shouldn't join Y Combinator(newsletter.smallbets.co)
443 points by georgehill | 229 comments
Daniel Vassallo's Small Bets newsletter post arguing that joining Y Combinator is a bad deal for founders despite being good for the economy.
Hacker News Guidelines(news.ycombinator.com)
375 points by tonmoy | 353 comments
The official Hacker News guidelines page describing what to submit, what is off-topic, and rules for submissions and comments.
Launch HN: Twenty.com (YC S23) – Open-source CRM
384 points by iFelix | 297 comments
Launch HN post introducing Twenty, an AGPL-licensed open-source CRM built with TypeScript, React, NestJS and GraphQL as a Salesforce alternative.
Launch HN: Resend (YC W23) – Email API for developers using React(resend.com)
405 points by zenorocha | 259 comments
Landing page for Resend, a YC-backed email API for developers to build, test, and send transactional emails, with templates written in React.
Launch HN: Common Paper (YC W23) – SAFEs for Commercial Contracts
408 points by jakestein | 153 comments
Launch HN post where Common Paper's founders introduce free, open-source standard B2B software contracts and a paid platform for sending and signing them.
Tell HN: The “Y” logo in the top-left corner has been upgraded to SVG(news.ycombinator.com)
516 points by perihelions | 199 comments
The Hacker News "Y" logo served as an SVG image file, shown as an orange square with a white Y.
Launch HN: OutSail (YC W23) – Wingsails to reduce cargo ship fuel consumption
507 points by jmoorebeek | 240 comments
Launch HN post where OutSail (YC W23) founders introduce containerized wingsails that reduce cargo ship fuel consumption by up to 20%.
Is Y Combinator worth the money? Brutally honest review of W22 batch experience(acecreamu.substack.com)
748 points by acecreamu | 294 comments
A founder's personal review of going through Y Combinator's W22 batch with his AI e-commerce startup Suggestr, weighing whether the equity cost was worth it.
Launch HN: Vocode (YC W23) – Library for voice conversation with LLMs
322 points by KianHooshmand | 111 comments
Launch HN post for Vocode, a YC W23 open source Python library for building real-time voice conversation apps on top of LLMs.