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Products that do what StartupLenz does

Cost calculators for niche indie founders, free forever

  1. 1

    Manage your startup to reach $1 billion valuation in 1 year

    2016

  2. 2

    Should you build an internal tool? Or just buy it?

    2015

  3. 3

    Figure out how much equity to grant new hires in seconds.

    2014

  4. 4

    Divide up equity fairly with your co-founders

    2022

  5. 5

    Sell your startup with 1 line of code

    2024

  6. 6

    Plan your app development budget within 2 minutes

    2017

  7. 7

    How much money can your startup investment make you?

    2016

  8. 8

    Should my startup pay to advertise?

    2014

  9. 9

    Webflow development for a low monthly fee

    2021

  10. 10IM

    I build a lot of small products myself and I realized how many indie founders want an exit that doesn’t involve platforms charging large commissions or requiring big revenue numbers. Sometimes a project makes $50/month, sometimes $500, sometimes $0 but has a great codebase, and that’s enough value for someone else. So I built buy-startups.com, a very simple, privacy-friendly marketplace for buying and selling small online startups. It’s not fancy. There’s no commission, no listing fee, no hidden funnel. Just a straightforward way for indie devs and bootstrappers to list a project and…

    Dec 2025 · buy-startups.com

  11. 11

    Startup equity and stock options calculator

    2022

  12. 12

    Explore when your startup will hit profitability

    2019

  13. 13IL

    Hey HN. This is a weekend project of mine. It's an idea I had after seeing so many comments here about the lack of available .com names for startups. As PG once said: "Take a luxury and make it into a commodity"[1]. So, I decided I'd try turning name consulting from something only large corporations could afford to something anyone could. I hope you'll take me up on it :) If you'd like to see a few examples of my work, just check out the links in the footer. Thanks for your attention. [1] http://www.paulgraham.com/ideas.html

    2011 · startupgods.com

  14. 14IB
  15. 15GS

    I'm building a startup every 4 weeks. Startup #1 is a service where you can hire a virtual assistant for $2 per task, http://JFDI.ninja. For more about my project: http://4weekstolaunch.com

    2017

  16. 16FS

    I started a newsletter sending out daily startup ideas. After a year, I transitioned to weekly ideas with more in-depth details. I recently posted all of them to the website and made them searchable. Check it out and let me know what you think. By providing more than just an idea, my hope is to help someone start their next business. https://www.startupsfromthebottom.com/

    2020

  17. 17
    BizCalc64

    Free business calculators — instant results, no signup

    Apr 2026 · bizcalc.talha-naeem1920.workers.dev

  18. 18IM

    Hi HN, I am a solopreneur in the evenings and a software engineer during the day. In the past, I have created lots of calculators for my web projects and freelancing friends. These were pretty basic, but users always welcomed them. I also used currently available builders, but the problem was that they were either slow, broke on mobile devices, had nonsense page view limits, or were expensive. Some even ticked all those boxes. So I have decided to create my own, with a simple interface, and called it Creative Widgets (if it ever takes off, I plan to add more exciting stuff like charts, etc,…

    2024 · creativewidgets.io

  19. 19LM

    We're BETA testing our partnership portal at SeedLawyers and thought y'all might be interested in some FREEEeee... legal help. Just type "betatest" where it asks here --> https://seedlawyers.com/users/sign_up?profile_type=Founder to unlock an account with 500 credits that you can spend on calls with our lawyer members, legal questions, and DIY startup legal documents. Every bit of feedback counts :)

    2018

  20. 20

    I built a tool (https://1mil.app/hn) to help me test my intuition about various weird business ideas that were on my mind. Initially, I wanted to create a database with 1 million business ideas (hence the name - "1 million opportunities"). But turned out to be a dumb idea already. So instead I built this tool that returns only 10 ideas. It's all based on your input, market + your background. The first release scored on demand only and it gave false confidence. So I rebuilt the the scoring around "winnability": can a solo founder with a specific background "win" against what…

    7d ago · 1mil.app

  21. 21IM

    Hey HN, I'm Aydin, a 13-year-old developer and indie maker looking to improve the world with my small startups. Recently, I built 2 micro SaaS projects. I spent days & weeks coding features, always telling myself that after coding one more feature I was for sure to get traction. This never happened. The reason: I never launched. With IndieReq, you can launch your startup fast and get real user feedback so you know exactly what features to ship and improve. All you have to do is sign up for free, create a feedback board, and share the public link with your users. It's that easy! If you've…

    2025 · indiereq.com

  22. 22IM

    Hello everyone. I'm a relatively new developer and I started my first project to go full production recently. It is a directory of payment processors and payment service providers. It's free to use and gives detailed info on their pricing, business model, supported business types, available countries, prohibited businesses and high risk business support. So far only 40 have been added with more to come. And I allow processors to contact me so that they're details can be added to the database. I'll eventually automate this and add verification the months to come. I hope you'll find it useful.…

    2025 · sourcefees.com

  23. 23IB

    Hi HN! My name is Yossi, and I'm a solo indie maker. SEO tools are super pricey and free tools often fall short, leaving most users to costly subscription-based tools. So, I built SEO Stuff, a keyword tool that uses a credit-based system for builders like me who use SEO more sporadically. Have a great day!

    2024 · seo-stuff.com

  24. 24

    18 free finance calculators for small businesses

    Apr 2026 · finance-count.com

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