Open startups with their revenue, metrics, and stories

In plain words

PostMake is a directory showcasing open startups that voluntarily share their revenue, metrics, and business stories. Launched in 2019, it serves entrepreneurs and business enthusiasts interested in learning from real startup experiences and performance data. The platform stands out by featuring companies willing to operate transparently, offering visitors an authentic look at how different businesses actually perform rather than relying on promotional materials alone.

written from the facts on this page · September 2026

From the sources

Many startups and bootstrapped businesses choose to embrace transparency and share their journeys, lessons, mistakes, and progress with the world. The following is a compilation of some of these startups. Included (when available) are live metrics , interviews and podcasts , Indie Hacker interviews IH , and blogs, stories, or roadmaps . Want to see a startup added? Tweet us ! Get the tools, resources, and strategies used by the best companies and startups from all over the web. The Postmake directory contains thousands of tools and tons of curated resources! Join the founders and makers getting the weekly case studies andfrom postmake.io

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  Postmake – A directory of tools and resources for your projects2019 · postmake.io · ▲197
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  Open Startups2019 · open-startups.xyz · ▲439

  A list of startups making their stats public

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  Open Startup2020 · ▲347

  A collection of open startups

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  Postmake2019 · postmake.io · ▲277

  A directory of 250+ tools and resources for your projects

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  120 Places to Post Your Startup2020 · ▲349

  Ranked by domain and page authority

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  Postbag2020 · ▲307

  Find journalists, bloggers and webmasters for your startup

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  SimCity, but with Permits▲936

  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 · 4d ago · permit.petercai.com

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

  Life & fun · 16d 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 · 17d 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 · 11d 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 · 15d ago · carrierexplode.com

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

  Life & fun · 25d ago · space.bl2.net

• IT
  I taught my little brother JS, and he made this videogame in a week▲1,079

  Life & fun · 2019 · s-poony.github.io

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  Mkcert – Valid HTTPS certificates for localhost▲839

  Life & fun · 2019 · blog.filippo.io

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  Leave Me Alone▲789

  Easily unsubscribe from spam emails 💌

  Growth · 2019

• HA
  HN.Academy – Top online courses recommended by Hacker News users▲773

  HN Academy collects, ranks, and showcases the best online courses and MOOCs that have been recommended on Hacker News.

  Life & fun · 2019 · hn.academy

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  Clean Mockups▲740

  Create stunning mockups that make your design standout

  Dev tools · 2019 · cleanmock.com

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  Makerpad▲663

  Develop skills, build things and get hired - without code

  Dev tools · 2019 · makerpad.co