A Monthly Tee from your favorite YC startup

In plain words

A Monthly Tee delivers a curated t-shirt each month from Y Combinator-backed startups. Subscribers receive limited-edition apparel featuring designs from various YC companies. The service is designed for fans of the startup ecosystem who want to wear branded merchandise while supporting the companies behind it. Each month brings a new design from a different startup, making it suitable for those interested in startup culture and fashion.

written from the facts on this page · September 2026

• MW
  My weekend project, Startup Tees2011 · zach-johnston.com · ▲58
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  Extinct Startup Tees2015 · ▲356

  Beautiful t-shirts from your favorite dead startups

• IM
  I Made this Y Combinator T-Shirt (Words from PG's Essays)2011 · tagxedo.com · ▲72
• 
  Sttartup2016 · ▲107

  Monthly T-Shirt subscription featuring new startups

• IV
  I've always wanted a Y Combinator shirt, so I made one.2011 · fold.sigusr2.net · ▲80
• WP
  Weekend Project - Monthly Startup T-shirt Subscription2011 · cottonbot.com · ▲22

• 
  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

• 
  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 · 16d 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

• 
  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

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

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

• 
  We got tired of asking 'What browser are you using?' and created this▲521

  Instantly detect your browser, operating system, screen resolution, and more. Get a shareable link with your browser details for support agents.

  Life & fun · 2012 · aboutmybrowser.com

• MG
  My Github résumé▲301

  Dev tools · 2012 · resume.github.com

• 
  Enterface, a UI design app concept I'm designing▲234

  Surprisingly useful apps for Mac. Made by one developer.

  Dev tools · 2012 · bendansby.com

• MM
  Mixest, my summer project that crawls the web for new indie music▲219

  Work · 2012 · mixest.com

• 
  Ejecta, A Fast, Open Source JavaScript, Canvas Implementation for iOS▲190

  Dev tools · 2012 · impactjs.com

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  Bubbles - my unfinished HTML5 Particle Game▲188

  Life & fun · 2012 · fullstackoptimization.com