
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

Cerbos
authzed
Aserto
Warrant
Ory
Permit.io
Topaz.sh
A batteries-included system for authorization.

Which is more popular?
Based on our record, Oso seems to be more popular. It has been mentioned 7 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | devfinancetools.com | osohq.com |
| Pricing | ||
| Platforms | — | |
| Company | 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


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...
Drop Oso Cloud into your apps to quickly add roles, sharing, fine-grained access, or any other access model you can think of.
What each product offers, as listed by its team.


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


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


Tracking DevFinanceTools since Aug 2026.
When the third case starts popping up, that's when an authorization provider like Oso or Permit.io starts to sound appealing. Centralized, easily readable authorization logic combined with easy queries for "what users are allowed to... - Source: dev.to / about 2 years ago
I know of warrant.dev, osohq.com, and Ory Keto but I don't see that these evaluate based on attributes. Source: almost 4 years ago
Oso supports applying authorization logic at the ORM layer so that you can efficiently authorize entire data sets. For example, suppose you have millions of posts in a social media application created by thousands of users, and regular... Source: about 5 years ago
When comparing DevFinanceTools and Oso, you can also consider the following products.

Helping you make rational decisions, one calculation at a time.
Compare Omni Calculator to DevFinanceTools or Oso:

Cerbos helps teams separate their authorization process from their core application code, making their authorization system more scalable, more secure and easier to change as the application evolves.
Compare Cerbos to DevFinanceTools or Oso:

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
Compare calculator.net to DevFinanceTools or Oso:

The platform to store, compute, and validate app permissions
Compare authzed to DevFinanceTools or Oso:

Should you build an internal tool? Or just buy it?
Compare Build vs. Buy Calculator to DevFinanceTools or Oso:
