YC's startup advice, organized and searchable

In plain words

YC's startup advice, organized and searchable is a searchable database of guidance from Y Combinator, the prominent startup accelerator. The resource compiles advice on founding and running startups into an organized, easily navigable format. It serves entrepreneurs and founders seeking practical guidance on startup fundamentals. The tool distinguishes itself by centralizing YC's accumulated knowledge in one searchable platform rather than requiring users to hunt through multiple sources for relevant startup wisdom.

written from the facts on this page · September 2026

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  YC Library2023 · ycombinator.com · ▲810

  The new hub for YC's startup videos, essays, podcasts & more

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  First Search2017 · review.firstround.com · ▲1,093

  The world's best startup advice, curated and searchable.

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  The Y Combinator Database2017 · ycdb.co · ▲866

  The definitive database of YC companies with all the metrics

• 
  Apply to YC (Y Combinator)2017 · ▲386

  Curated collection of resources for founders applying to YC.

• IW
  I wrote a guidebook on everything I know about applying to Y Combinator2012 · guidetoyc.com · ▲177
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  StartupClass.co2014 · startupclass.co · ▲300

  YC's How to Start a Startup packaged as an online course

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  SimCity, but with Permits▲930

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 2d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 15d ago · tanzaniaeducationproject.org

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  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 15d ago · bigwords.page

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  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 9d ago · guitoro.com

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  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 13d ago · carrierexplode.com

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  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 23d ago · space.bl2.net

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  Unscreen▲955

  Remove video and GIF backgrounds 100% automatically

  Dev tools · 2020 · canva.com

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  Around▲870

  Next-gen video calls for a new era of work

  Work · 2020 · around.co

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  Fraidycat▲807

  Life & fun · 2020 · fraidyc.at

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  MainStreet▲540

  Founders: You're owed $50K. Get it back in 20 minutes 🤝

  Commerce · 2020 · mainstreet.com

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  Control Illustrations▲540

  108 free flat illustrations with customizable characters

  Dev tools · 2020 · patterns.page

• TF
  To fight quarantine boredom I build a site to watch movies with friends▲515

  Life & fun · 2020 · bingetogether.com