
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

DecisionRules.io
Drools
Higson.io
InRule
Decisionable
ForgeX
Rulebricks
Business logic humans can read and machines can run.
Which is more popular?
Based on our record, GoRules.io seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | devfinancetools.com | gorules.io |
| 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...
Every company keeps two copies of its business logic: a document people read and code that runs. They drift. GoRules keeps one copy. Rules read like sentences, live in visual graphs or policy documents, and ship with reviews, releases, and tests. The open-source ZEN engine (MIT, Rust) answers...
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
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GoRules Version 2
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DevFinanceTools and GoRules.io. 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.
On a serious note: We bought gorules.io domain with initial plans for using GoLang, however after a while, the name stuck with us and our clients, and it felt difficult to go back on something we were used to. We don't associate GoLang... Source: over 3 years ago
GoRules is a modern, open-source rules engine designed for high performance and scalability. Our mission is to democratise rules engines and drive early adoption. Rules engines are very useful as they allow business users to easily... Source: over 3 years ago
When comparing DevFinanceTools and GoRules.io, you can also consider the following products.

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

Business rule engine that lets you create and deploy business rules, while all your rules run in a secure and scalable cloud. Unlike other rule engines, you can create your first rule in 5 minutes and make 100k decisions in a minute via API.
Compare DecisionRules.io to DevFinanceTools or GoRules.io:

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 GoRules.io:

Drools introduces the Business Logic integration Platform which provides a unified and integrated platform for Rules, Workflow and Event Processing.
Compare Drools to DevFinanceTools or GoRules.io:

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

Higson is a BRMS, that was created with very large decisions and hyper-performance in mind. It stands out with the concept of the business domain which organizes the whole configuration in easy to manage way.
Compare Higson.io to DevFinanceTools or GoRules.io: