Best of YC W25


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 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: A0.dev (YC W25) – React Native App Generator

263 points | 97 comments | Feb 11, 2025 | by sethburster

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

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

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#3 Launch HN: Maritime Fusion (YC W25) – Fusion Reactors for Ships

215 points | 261 comments | Feb 26, 2025 | by jtcohen

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#4 Launch HN: Enhanced Radar (YC W25) – A safety net for air traffic control

166 points | 113 comments | Mar 04, 2025 | by kristian1109

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#5 Launch HN: SubImage (YC W25) – See your infra from an attacker's perspective

135 points | 31 comments | Feb 24, 2025 | by alexchantavy

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#6 Launch HN: Karsa (YC W25) – Buy and save stablecoins internationally

129 points | 224 comments | Jan 30, 2025 | by Shasnani

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#7 Launch HN: Confident AI (YC W25) – Open-source evaluation framework for LLM apps

117 points | 27 comments | Feb 20, 2025 | by jeffreyip

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#8 Launch HN: Promptless (YC W25) – Automatic updates for customer-facing docs

107 points | 61 comments | Feb 18, 2025 | by prithvi2206

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#9 Launch HN: Bild AI (YC W25) – Understand Construction Blueprints Using AI

98 points | 39 comments | Feb 27, 2025 | by rooppal

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Blockchain, Solidity, Smart Contracts and Crypto Jobs

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#10 Launch HN: Cuckoo (YC W25) – Real-time AI translator for global teams

80 points | 28 comments | Mar 03, 2025 | by yonghee

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#11 Launch HN: Pinch (YC W25) – Video conferencing with immersive translation

72 points | 43 comments | Feb 04, 2025 | by christiansafka

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Don't miss when the next Dropbox or Stripe launches



#12 Launch HN: Cenote (YC W25) – Back Office Automation for Medical Clinics

61 points | 50 comments | Mar 06, 2025 | by ansong99

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#13 Launch HN: Roark (YC W25) – Taking the pain out of voice AI testing

60 points | 29 comments | Feb 17, 2025 | by zammitjames

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#14 Show HN: CopyCat (YC W25) – Free Alternative to OpenAI's $200 Operator

34 points | 19 comments | Jan 25, 2025 | by gsabin

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#15 Ask HN: Would you outsource your prompt engineering? [YC W25]

4 points | 0 comments | Jan 04, 2025 | by epi3

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#16 Show HN: ZeroEntropy (YC W25), Advanced AI Search over Complex Documents

3 points | 0 comments | Jan 13, 2025 | by ghita_

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#17 Recently rejected from W25 YC would love some feedback

2 points | 2 comments | Dec 19, 2024 | by NabilNYMansour

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#18 Lucid (YC W25): Generative World Models

1 points | 1 comments | Feb 25, 2025 | by albertohojel

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#19 Ask HN: Did you apply to YC W25 batch? What's your startup?

1 points | 0 comments | Nov 11, 2024 | by laksmanv

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#20 Show HN: Interactive Drug Screening in Your Browser

3 points | 2 comments | Feb 25, 2025 | by niederman

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#21 What Would Revolutionize EdTech? Seeking Ideas and Feedback

2 points | 8 comments | Dec 08, 2024 | by Joses-Murungi

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#22 Show HN: GitHub Leaderboard for Cohorts

1 points | 0 comments | Mar 05, 2025 | by alexakayman

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#23 Show HN: A pure TypeScript library for editing videos in the Browser

3 points | 0 comments | Feb 21, 2025 | by K9-P5

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#24 Ask HN: Alternatives to YC?

16 points | 5 comments | Jun 08, 2024 | by max_

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#25 Show HN: YC Application Exporter

4 points | 0 comments | Nov 07, 2024 | by filipeisho

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#26 Ask HN: Will the Trump administration affect H-1B visas for YC batch companies?

2 points | 2 comments | Dec 15, 2024 | by pandatigox

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#27 Launch HN: Electric Air (YC W23) – Heat pump sold directly to homeowners

927 points | 789 comments | Mar 13, 2023 | by cmui

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#28 Launch HN: Aqua Voice (YC W24) – Voice-driven text editor

716 points | 244 comments | Mar 26, 2024 | by the_king

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#29 YC W22 Stablegains is being sued for losing $42M in funds from 4878 customers

653 points | 392 comments | May 19, 2022 | by donsupreme

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#30 Launch HN: Fly.io (YC W20) – Deploy app servers close to your users

626 points | 261 comments | Mar 18, 2020 | by mrkurt

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#31 Launch HN: Pynecone (YC W23) – Web Apps in Pure Python

550 points | 315 comments | Mar 13, 2023 | by picklelo

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#32 Launch HN: OutSail (YC W23) – Wingsails to reduce cargo ship fuel consumption

527 points | 269 comments | Apr 03, 2023 | by jmoorebeek

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#33 Launch HN: Play.ht (YC W23) – Generate and clone voices from 20 seconds of audio

459 points | 458 comments | Mar 27, 2023 | by hammadh

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#34 Launch HN: Double (YC W24) – Index Investing with 0% Expense Ratios

443 points | 413 comments | Dec 10, 2024 | by jjmaxwell4

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#35 Launch HN: Resend (YC W23) – Email API for developers using React

432 points | 270 comments | Jun 13, 2023 | by zenorocha

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#36 Launch HN: Common Paper (YC W23) – SAFEs for Commercial Contracts

431 points | 167 comments | May 23, 2023 | by jakestein

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#37 Launch HN: Living Carbon (YC W20) – Trees that capture and store more carbon

424 points | 256 comments | Mar 14, 2022 | by maddiehalla

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#38 Launch HN: Art in Res (YC W20) – Buy art directly from artists

410 points | 220 comments | Apr 09, 2020 | by JohnFriel

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#39 Launch HN: Radical (YC W23) – Autonomous high-altitude solar aircraft

402 points | 201 comments | Oct 16, 2023 | by jthomaslm

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#40 Launch HN: Noya (YC W21) – Direct air capture of CO2 using cooling towers

401 points | 157 comments | Feb 15, 2021 | by jsantos511

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#41 Launch HN: Neptyne (YC W23) – A programmable spreadsheet that runs Python

399 points | 211 comments | Feb 16, 2023 | by dosinga

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#42 Launch HN: Chatwoot (YC W21) – Open-Source Alternative to Intercom, Zendesk

396 points | 110 comments | Mar 18, 2021 | by pranav_rajs

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#43 Launch HN: Vocode (YC W23) – Library for voice conversation with LLMs

379 points | 116 comments | Mar 29, 2023 | by KianHooshmand

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#44 Launch HN: Andi (YC W22) – Q&A based, ad-free, anti-spam search engine

352 points | 181 comments | Mar 28, 2022 | by jedwhite

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#45 Launch HN: Retell AI (YC W24) – Conversational Speech API for Your LLM

350 points | 173 comments | Feb 21, 2024 | by yanyan_evie

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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 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