
one sec
Freedom.to
Cold Turkey
Forest App
Focus App
AppBlock
RescueTime
Real Focus in Real-Time. Measure and improve your focus day by day, on iPhone, iPad and macOS.

DokuWiki
TiddlyWiki
MediaWiki
XWiki
Fandom
Editthis
Miraheze
An open source knowledge management application that's focused on ease of use.

Which is more popular?
Based on our record, BookStack 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 | opal.so | bookstackapp.com |
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What each product offers, as listed by its team.


No features have been listed yet.
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An editorial look at what each product does well and who it suits.


No analysis of Opal.so yet.
Overall verdict
Why this product is good
Recommended for
Small to medium-sized teams, open-source enthusiasts, educational institutions, and projects that require a user-friendly documentation system with the flexibility of self-hosting.
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BookStack Review- 7 Brief Lessons in Physics
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Opal.so and BookStack. 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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Bookstack is a simple, self-hosted platform for organizing and storing information, focusing on creating a knowledge base. It is similar to Gitbook in its functionality but differs in how it is organized and...
Another powerful self-hosted Wiki software for Linux is BookStack. One of the most attractive features of BookStack is its cross-book sorting capability. It can sort all books based on tags such as title, author name,...
The BookStack App is not just a Wiki Engine, but it works the same. It aims for creating books by easing collaboration among writers and editors, we run it for us and some clients as a Wiki Engine, where they use...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Opal.so since May 2025.
Check out https://bookstackapp.com (PHP/Laravel). - Source: Hacker News / about 1 year ago
That said, is it possible to customize the theme a bit? Specifically, how can I set the code-block background to dark-grey? Also, how can I make the horizontal line a bit taller than 1px? I saw the Customizing Visuals page on... Source: about 3 years ago
Maybe look at BookStack to see if it fits your needs. Source: over 3 years ago
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DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
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Freedom is a productivity hack that lets you block apps, websites or the entire Internet on iPhones, iPads, Windows and Mac computers.
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Cold Turkey is a free productivity program that you can use to temporarily block distractions so that you can get your work done!
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MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
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