
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

RSSMailer
DatoRSS Search Engine
RSS API
Kill the Newsletter!
Winds
Mailbrew
Climatelink
RSS with human curation

Which is more popular?
Based on our record, RSS3 seems to be more popular. It has been mentioned 10 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | devfinancetools.com | rss3.io |
| 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 RSS3 yet.
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 DevFinanceTools and RSS3. 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.
I started to use Follow [0][1], which uses RSSHub [2] and RSS3 [3] in addition to classic RSS. [0]: https://follow.is/ [1]: https://github.com/RSSNext/follow [3]: https://rss3.io/. - Source: Hacker News / almost 2 years ago
The RSS3 website(rss3.io) itself is powered by the same API. Type in any ENS and try it out. Source: almost 4 years ago
Here I want to share a method that is free and platformless, combing RSS3.io , a web3 RSS subscription service, and NFT whale ENS information from NFTGO: https://nftgo.io/whale-tracking/list. Source: about 4 years ago
When comparing DevFinanceTools and RSS3, you can also consider the following products.

Helping you make rational decisions, one calculation at a time.
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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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A search engine for RSS feeds 🗞️
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Should you build an internal tool? Or just buy it?
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Convert & subscribe to RSS, ATOM and JSON-Feeds via API ⚡️ Get webhooks whenever there is a new entry in a Feed.
Compare RSS API to DevFinanceTools or RSS3: