Best of YC X25


best of all time best of today best of yesterday best of this week best of this month best of last month best of this year best of 2024 best of 2023 best of 2023 yc s25 yc w25 yc s24 yc w24 yc s23 yc w23 yc s22 yc w22 yc s21 yc w21 yc s20 yc w20 yc s19 yc w19 yc s18 yc w18 yc all-time 3d algorithms animation android [ai] artificial-intelligence api augmented-reality big data bitcoin blockchain book bootstrap bot css c chart chess chrome extension cli command line compiler crypto covid-19 cryptography data deep learning elexir ether excel framework game git go html ios iphone java js javascript jobs kubernetes learn linux lisp mac machine-learning most successful neural net nft node optimisation parser performance privacy python raspberry pi react retro review my ruby rust saas scraper security sql tensor flow terminal travel virtual reality visualisation vue windows web3 young talents
#1 Launch HN: Vassar Robotics (YC X25) – $219 robot arm that learns new skills

580 points | 219 comments | Jun 10, 2025 | by charleszyong

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#2 Launch HN: Better Auth (YC X25) – Authentication Framework for TypeScript

259 points | 106 comments | May 19, 2025 | by bekacru

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#3 Launch HN: mrge.io (YC X25) – Cursor for code review

221 points | 108 comments | Apr 15, 2025 | by pomarie

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#4 Launch HN: Cua (YC X25) – Open-Source Docker Container for Computer-Use Agents

172 points | 73 comments | Apr 23, 2025 | by frabonacci

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#5 Launch HN: Nao Labs (YC X25) – Cursor for Data

158 points | 64 comments | May 09, 2025 | by ClaireGz

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#6 Launch HN: Chonkie (YC X25) – Open-Source Library for Advanced Chunking

151 points | 42 comments | Jun 09, 2025 | by snyy

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#7 Launch HN: Tinfoil (YC X25): Verifiable Privacy for Cloud AI

146 points | 100 comments | May 15, 2025 | by FrasiertheLion

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#8 Launch HN: ParaQuery (YC X25) – GPU Accelerated Spark/SQL

135 points | 81 comments | May 12, 2025 | by winwang

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#9 Launch HN: Nomi (YC X25) – Copilot for Sales

87 points | 70 comments | May 26, 2025 | by ethansafar

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Blockchain, Solidity, Smart Contracts and Crypto Jobs

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#10 Launch HN: WorkDone (YC X25) – AI Audit of Medical Charts

79 points | 60 comments | May 22, 2025 | by digitaltzar

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#11 YC X25, the spring 2025 batch

70 points | 44 comments | Jan 20, 2025 | by todsacerdoti

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Don't miss when the next Dropbox or Stripe launches



#12 Launch HN: BitBoard (YC X25) – AI agents for healthcare back-offices

63 points | 29 comments | Jun 10, 2025 | by arcb

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#13 Launch HN: MindFort (YC X25) – AI agents for continuous pentesting

60 points | 24 comments | May 28, 2025 | by bveiseh

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#14 Launch HN: SIM Studio (YC X25) – Figma-Like Canvas for Agent Workflows

55 points | 32 comments | May 21, 2025 | by waleedlatif1

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#15 Launch HN: Jazzberry (YC X25) – AI agent for finding bugs

46 points | 34 comments | May 14, 2025 | by MarcoDewey

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#16 Launch HN: Opusense (YC X25) – AI assistant for construction inspectors on site

33 points | 19 comments | May 20, 2025 | by rcody

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#17 Show HN: Zero (YC X25) – AI native email client that manages your inbox

11 points | 1 comments | May 01, 2025 | by nizzyabizaher

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#18 60–70% of YC X25 Agent Startups Are Using TypeScript

7 points | 17 comments | Jun 07, 2025 | by Arindam1729

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#19 Show HN: Willow Voice (YC X25) – Personalized Dictation You Can Use Anywhere

3 points | 0 comments | May 29, 2025 | by LiuLawrence45

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#20 YC X25: Ubo Factory Demo [video]

1 points | 1 comments | Feb 12, 2025 | by mmajzoobi

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#21 YC Demo Day X25 – Companies, founders, launches, and more

1 points | 0 comments | Jun 11, 2025 | by abbygrills

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#22 How I Hacked Hacker News (with arc security advisory)

928 points | 78 comments | Jun 03, 2009 | by dfranke

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#23 Launch HN: Browser Use (YC W25) – open-source web agents

259 points | 100 comments | Feb 25, 2025 | by MagMueller

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#24 Launch HN: Bitrig (YC S25) – Build Swift apps on your iPhone

171 points | 109 comments | Aug 27, 2025 | by kylemacomber

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#25 Launch HN: Embedder (YC S25) – Claude code for embedded software

113 points | 52 comments | Aug 15, 2025 | by bobwei1

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#26 Launch HN: Uplift (YC S25) – Voice models for under-served languages

112 points | 51 comments | Aug 19, 2025 | by zaidqureshi

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#27 Launch HN: April (YC S25) – Voice AI to manage your email and calendar

97 points | 95 comments | Aug 25, 2025 | by nehasuresh1904

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#28 Launch HN: Dedalus Labs (YC S25) – Vercel for Agents

17 points | 2 comments | Aug 28, 2025 | by windsor

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#29 The YCommonApp - Apply to over 25 YC startups in under 10 minutes.

3 points | 0 comments | Aug 02, 2010 | by mshafrir

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#30 Mattermark – Top 25 YC W17 Startups

1 points | 0 comments | Mar 27, 2017 | by gina650

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#31 Launch HN: Sidekick (YC S20) – A hardware device to connect remote teams

170 points | 226 comments | Jul 23, 2020 | by achen187

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#32 Show HN: Make your YC application stand out (Spring 2025 edition)

13 points | 12 comments | Feb 06, 2025 | by dshayan

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#33 Show HN: Karton is a simple, type-safe RPC and state-syncing framework (OSS,MIT)

4 points | 0 comments | Aug 28, 2025 | by glenntws

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#34 Segment.io (YC S11) Lets Developers Integrate Multiple Analytics Services

129 points | 44 comments | Jan 25, 2013 | by jamest

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#35 Semantics3 (YC W13) Is A Massive Consumer Products Database To Rule Them All

83 points | 34 comments | Feb 25, 2013 | by relation

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#36 Crocodoc (YC W10) Makes It A Snap To Share And Mark Up Documents

74 points | 29 comments | Feb 25, 2010 | by rdamico

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#37 Y Combinator Start-Ups: Guess Which Will Be Worth A Billion

73 points | 24 comments | Aug 25, 2011 | by coleb

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#38 Anyperk (YC W12) Serves Startups Deals On Web Services

37 points | 3 comments | Mar 26, 2012 | by daegloe

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#39 Contractor Directory BuildZoom (YC W13) Raises $1.4 Million Seed Round

31 points | 7 comments | Jun 25, 2013 | by negrit

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#40 Embark (YC S11) Is Now Plotting Two Million Transit Trips A Month

31 points | 3 comments | Jan 25, 2012 | by noinput

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#41 Y Combinator Winter 2014, Batch 1

10 points | 0 comments | Mar 25, 2014 | by zaveri

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#42 YC Interview Advice, Question 1

7 points | 2 comments | Apr 25, 2012 | by mattmaroon

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#43 CarWoo Partners with FindTheBest - for a reason

3 points | 0 comments | Apr 25, 2012 | by TheNonGeeky

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#44 Quiz/Prep for YC Interviews

2 points | 0 comments | Apr 25, 2014 | by pdenya

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#45 YCommonApp: Apply to 25+ YC-funded startups in under 10 minutes

175 points | 72 comments | Aug 02, 2010 | by davidbalbert

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best of all time best of today best of yesterday best of this week best of this month best of last month best of this year best of 2024 best of 2023 yc s25 yc w25 yc s24 yc w24 yc s23 yc w23 yc s22 yc w22 yc s21 yc w21 yc s20 yc w20 yc s19 yc w19 yc s18 yc w18 yc all-time 3d algorithms animation android [ai] artificial-intelligence api augmented-reality big data bitcoin blockchain book bootstrap bot css c chart chess chrome extension cli command line compiler crypto covid-19 cryptography data deep learning elexir ether excel framework game git go html ios iphone java js javascript jobs kubernetes learn linux lisp mac machine-learning most successful neural net nft node optimisation parser performance privacy python raspberry pi react retro review my ruby rust saas scraper security sql tensor flow terminal travel virtual reality visualisation vue windows web3 young talents

andrey azimov by Andrey Azimov