
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

calibre
FBReader
Amazon Kindle
Librera Reader
KOReader
Okular
ReadEra
A simple and modern eBook viewer.

Which is more popular?
Based on our record, Foliate seems to be more popular. It has been mentioned 12 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | devfinancetools.com | johnfactotum.github.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 Foliate yet.
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
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Foliate - GTK eBook viewer for Linux
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DevFinanceTools and Foliate. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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Personally, I find Calibre best suited for my needs. Also, Bookworm looks promising to me and I am using it more often these days. If you’re looking for something simple and modern, Foliate can be worth a try.
Recommendations tracked on public social media and blogs since March 2021.


Tracking DevFinanceTools since Aug 2026.
If Okular doesn’t get the job done for you, try https://johnfactotum.github.io/foliate/ or https://apps.kde.org/en-gb/arianna/. Of the two I’ve only used Foliate on a laptop, but they should also work on the Deck. Source: over 3 years ago
Gnome books was abandoned, we now have: https://johnfactotum.github.io/foliate/. Source: over 3 years ago
4- Do you trade stocks using the web browser or special apps ? If it is a special app, see if you it support Linux, or if there is an alternative. For reading Epubs I use foliate. Source: about 4 years ago
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FBReader is an e-book reader for various platforms. Features:
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Should you build an internal tool? Or just buy it?
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Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
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