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

Zabbix
TriggerDeck is a Zabbix iPhone app for secure mobile monitoring, direct API reads, on-device tokens, items, charts, dashboards, inline problem actions, and optional push notifications on iOS.

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 | triggerdeck.io |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from Poland · 1 - 9 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of FBReader yet.
TriggerDeck is an iPhone app for teams running Zabbix-based monitoring environments. It brings the workflows operators actually need on mobile into a focused, fast interface built for incident response and everyday monitoring. With TriggerDeck, teams can: review active, recent, and history...
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.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing FBReader and TriggerDeck.io.
TriggerDeck.io's answer:
TriggerDeck does not publicly disclose customer names at this stage.
TriggerDeck.io's answer:
Teams should choose TriggerDeck when they want a mobile-first Zabbix experience without giving a third-party backend access to their monitoring credentials. It is designed for fast triage on iPhone, supports multiple servers, and focuses on the workflows operators actually need on the go: active problems, details, hosts, items, charts, dashboards, and optional push notifications. The product is opinionated about security, clear data boundaries, and reducing friction between alert and action.
TriggerDeck.io's answer:
TriggerDeck is built around a strict trust model for Zabbix environments: the iPhone app connects directly to the customer’s Zabbix API. Using our integration service its able to deliver Push notifications from Zabbix directly to your iPhone. This gives teams secure mobile access to problems, hosts, items, charts, and dashboards without introducing a hosted read
TriggerDeck.io's answer:
TriggerDeck is built primarily with Swift 6, SwiftUI, Swift Charts, URLSession with async/await, SwiftData, and Keychain on iOS.
TriggerDeck.io's answer:
TriggerDeck is built for teams that run their own Zabbix-based monitoring environments. The primary audience includes IT operations teams, sysadmins, SREs, DevOps and platform engineers, NOC operators, and technical leads who need secure mobile visibility into infrastructure and incident state while away from their desks.
TriggerDeck.io's answer:
TriggerDeck was created to solve a specific gap in the Zabbix ecosystem: mobile access often becomes less trustworthy when it depends on a hosted proxy or external credential sharing. The product started from the idea that teams should be able to check monitoring data securely from an iPhone and get instant push delivery.
Share your experience with using FBReader and TriggerDeck.io. 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...
We have no reviews of TriggerDeck.io yet. Be the first one to post
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: over 3 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 / almost 4 years ago
Tracking TriggerDeck.io since Apr 2026.
When comparing FBReader and TriggerDeck.io, you can also consider the following products.


Track, record, alert and visualize performance and availability of IT resources
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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 TriggerDeck.io:

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

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