
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

fx
jq
VisiData
DSQ
Jsonnet
JSON Crack
yq
jello is a command line tool that filters JSON data using pure python syntax.

Which is more popular?
Based on our record, jello seems to be more popular. It has been mentioned 20 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | devfinancetools.com | github.com |
| Pricing | — | |
| 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...
No description of jello yet.
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
No DevFinanceTools videos yet. You could help us improve this page by suggesting one.
Koolaid Gels Jello Review
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DevFinanceTools and jello. 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.
Jello let’s you use python syntax with dot notation without the stdin/stdout/json.loads boilerplate. https://github.com/kellyjonbrazil/jello. - Source: Hacker News / about 3 years ago
A couple more alternatives: https://github.com/kellyjonbrazil/jello. - Source: Hacker News / about 3 years ago
Yep, you can create a filter in jq to do that. Alternatively, if you prefer Python syntax you could try jello, which works like jq but is really Python under the hood. (I am also the author of jello). Source: over 3 years ago
When comparing DevFinanceTools and jello, you can also consider the following products.

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


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 jello:

jq is like sed for JSON data - you can use it to slice and filter and map and transform structured...
Compare jq to DevFinanceTools or jello:

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

Interactive multi-tool for tabular data in the console
Compare VisiData to DevFinanceTools or jello: