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 2025 best of 2024 best of 2024 yc w26 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: Airweave (YC X25) – Let agents search any app

164 points | 30 comments | Sep 30, 2025 | by lennertjansen

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

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

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

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

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

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

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

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

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Web3 Jobs – Start a career in Web3

Blockchain, Solidity, Smart Contracts and Crypto Jobs

Web3 Jobs

#10 Launch HN: Strata (YC X25) – One MCP server for AI to handle thousands of tools

133 points | 66 comments | Sep 23, 2025 | by wirehack

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#11 Launch HN: Propolis (YC X25) – Browser agents that QA your web app autonomously

116 points | 37 comments | Oct 30, 2025 | by mpapazian

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Don't miss when the next Dropbox or Stripe launches



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

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

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#13 Launch HN: Plexe (YC X25) – Build production-grade ML models from prompts

85 points | 31 comments | Nov 04, 2025 | by vaibhavdubey97

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

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

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#15 Launch HN: RunRL (YC X25) – Reinforcement learning as a service

71 points | 22 comments | Sep 17, 2025 | by ag8

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#16 YC X25, the spring 2025 batch

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

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

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

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

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

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#19 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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#20 Launch HN: Jazzberry (YC X25) – AI agent for finding bugs

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

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#21 Launch HN: Prism (YC X25) – Workspace and API to generate and edit videos

40 points | 18 comments | Mar 11, 2026 | by aliu327

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#22 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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#23 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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#24 60–70% of YC X25 Agent Startups Are Using TypeScript

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

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#25 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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#26 YC X25: Ubo Factory Demo [video]

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

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#27 Show HN: Harmony – AI notetaker for Discord

29 points | 8 comments | Jan 14, 2026 | by SeanDorje

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#28 Why AI code fails differently: What I learned talking to 200 engineering teams

8 points | 5 comments | Nov 12, 2025 | by pomarie

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#29 Show HN: Catsu: A unified Python client for embedding APIs

7 points | 5 comments | Dec 17, 2025 | by bhavnicksm

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#30 Show HN: Golf Scanner – OSS tool to find and audit every MCP server

3 points | 0 comments | Mar 08, 2026 | by antonig

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

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

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#32 Show HN: VC Screener – Evaluate YC X26 apps against prev YC companies

1 points | 3 comments | Feb 09, 2026 | by bG9sY2F0

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#33 Hey YC F25, W26, X26 Founders

2 points | 0 comments | Mar 21, 2026 | by Hirun_w

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

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

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#35 Show HN: Adentris (YC P25) – Find mistakes in your medical records

13 points | 3 comments | Apr 02, 2026 | by digitaltzar

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#36 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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#37 Show HN: VC-LLM – Visualization of YC Summer 25 startups

1 points | 1 comments | Sep 09, 2025 | by kovezd

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#38 Mattermark – Top 25 YC W17 Startups

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

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#39 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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#40 Show HN: Make your YC application stand out (Spring 2025 edition)

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

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

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

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#42 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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#43 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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#44 Y Combinator Start-Ups: Guess Which Will Be Worth A Billion

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

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

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

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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 2025 best of 2024 yc w26 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