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Amazon Kindle
Cool Reader
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Sumatra PDF
Okular
Librera Reader
FBReader is an e-book reader for various platforms. Features:

nxCloud
Cachely is a managed implementation of self-hosted remote cache for monorepos. Speed up CI, prove how much time and cost you saved, get build optimization suggestions, safe from cache poisoning (CVE-2025-36852). Turborepo and Bazel on the roadmap.
Which is more popular?
Based on our record, FBReader 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 | fbreader.org | cachely.dev |
| Pricing | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of FBReader yet.
Cachely is the managed self-hosted remote cache for Nx and Turborepo - the cache backend you'd otherwise build and run yourself, hosted for you on Cloudflare's edge (R2). It's a drop-in replacement for a DIY @nx/s3-cache / S3 bucket setup: point your build tool at Cachely with a token and two...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
FBReader is recommended for readers who value customization in their reading experience and need support for various e-book formats. It's ideal for those who read on multiple devices and platforms, as it offers sync features and wide compatibility.
No analysis of Cachely.dev yet.
Walkthroughs and reviews on video.
Review FBReader on Linux Ubuntu
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How often each product is chosen within a category, 0–100% relative to the other.


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


FBReader is a lightweight, multi-platform ebook reader, free but not open-source, supporting various formats like ePub, fb2, mobi, rtf, html etc. It includes access to popular network libraries from where you can...
The Favorite Book Reader (FBReader) is a free app that used to be open source. As such, it used to be available for a multitude of devices but now caters to iOS and Android users. There’s also a beta version in...
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Recommendations tracked on public social media and blogs since March 2021.


I use fbreader, it's probably in your disto's repository or you can get in from fbreader.org. Source: almost 4 years ago
I've been using FBreader for years, and it can use the built in Android TTS. https://fbreader.org/. Source: almost 4 years ago
Based on what's on ZLibrary, various formats, though principally PDF, ePub, Mobi (Kindle), DJVU (similar to PDF), FB2, and a few others. Most ebook readers (with the exception of Amazon's own Kindle reader) can read virtually all of... - Source: Hacker News / about 4 years ago
Tracking Cachely.dev since Jun 2026.
When comparing FBReader and Cachely.dev, you can also consider the following products.


Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
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Fast and small cross-platform eBook reader for desktops and handheld devices
Compare Cool Reader to FBReader or Cachely.dev:

Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
Compare Google Play Books to FBReader or Cachely.dev:

Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
Compare Sumatra PDF to FBReader or Cachely.dev: