
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

RSS API
Mastodon
Publicate
The Old Reader
Feedly
1Feed
Lire
Real-time feed API - RSS and Atom over PubSubHubbub and XMPP. Superfeedr pushes RSS feeds in real-time for both publishers and subscribers, with open protocols and APIs.

Which is more popular?
Based on our record, Superfeedr seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | devfinancetools.com | superfeedr.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 Superfeedr 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 Superfeedr. 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.
There is: it's called websub. https://www.w3.org/TR/websub/ Here's a service that makes it simple: https://superfeedr.com/. - Source: Hacker News / 9 months ago
A lot of discussion around RSS revolves around the format for the data/metadata (e.g. The Atom feud) but the real problem with it is this: To consume an RSS feed you poll it. There are two polling speeds: too fast and too slow, and... - Source: Hacker News / about 1 year ago
Youtube does still have feeds. The bandwidth can be reduced if readers use the If-None-Match and If-Modified-Since headers when requesting feeds (so if the feed hasn't been updated, the server can return an empty response). I also... - Source: Hacker News / almost 4 years ago
When comparing DevFinanceTools and Superfeedr, you can also consider the following products.

Helping you make rational decisions, one calculation at a time.
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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.
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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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Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome!
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Should you build an internal tool? Or just buy it?
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Build Beautiful Emails. Export and Send Anywhere.
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