
Open Startups
Open Startup List
Starter Story
Startup Stash
Indie Hackers
Oye Startups
Startup Tracker
A collection of open startups

Omni Calculator
calculator.net
Build vs. Buy Calculator
DeveloperToolStack
DevNestTools
DevTools Advanced
DevTools.fit
Free, no-signup calculators for the money side of building software and freelancing

Which is more popular?
Based on our record, OpenStartup.dev seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | openstartup.tm | devfinancetools.com |
| Pricing | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of OpenStartup.dev yet.
DevFinanceTools is a collection of free, no-signup calculators for the money side of building software and freelancing. Everything runs in your browser — no account, no tracking beyond basic page-view analytics — and every tool shows its formulas and benchmarks so you can check the maths...
What each product offers, as listed by its team.


Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using OpenStartup.dev and DevFinanceTools. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


This is called open startup.. you can see a list at https://openstartup.tm. - Source: Hacker News / about 3 years ago
I don't know about _fully open_, but I think Buffer is an example of a company that shares unusually much. https://buffer.com/resources/revenue-dashboard/ There's some sort of list at https://openstartup.tm/ but I think a lot of... - Source: Hacker News / about 4 years ago
- https://openstartup.tm/ pros: if you're an early adopter, it's nice to know how the service you're investing time in is doing financially. One of the biggest risks of choosing a new/unknown service, as a consumer, is that it will... - Source: Hacker News / over 4 years ago
Tracking DevFinanceTools since Aug 2026.
When comparing OpenStartup.dev and DevFinanceTools, you can also consider the following products.

Open startups with their metrics, interviews, and stories
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Helping you make rational decisions, one calculation at a time.
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Get some insights on incredible startups
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Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
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Learn how others are building successful e-commerce businesses.
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Should you build an internal tool? Or just buy it?
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