
Zeal
Dash for macOS
Devhints
CSS-Tricks
CodePen
Carbon
Can I use
Open source API documentation browser with instant fuzzy search, offline mode, keyboard shortcuts, and more

Pulse Secure
Flexera Software Vulnerability Manager
Tor Browser
StackPath
Avast
OneLogin
AuthAnvil
The easiest way to protect your users from getting hacked

Which is more popular?
Based on our record, DevDocs seems to be a lot more popular than Castle. While we know about 132 links to DevDocs, we've tracked only 4 mentions of Castle.
Website, pricing, platforms and company facts side by side.
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| Website | devdocs.io | castle.io |
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What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
DevDocs - An API Documentation Browser
Kingdom Come, Deliverance, CASTLE review
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DevDocs and Castle. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


DevDocs (open source, free) is a local offline documentation viewer. There is a hosted version that can be used offline in a web browser. - Source: dev.to / 5 months ago
This isn't a new idea for developer tools. DevDocs, Zeal, and Dash have offered offline documentation browsing for years. What's new is applying this architecture to AI agents — giving your coding assistant the same offline, instant,... - Source: dev.to / 8 months ago
DevDocs the minimalist doc reader for when Stack Overflow doesn’t have the answer. - Source: dev.to / over 1 year ago
This (agent detection) is now a kind of emerging space. Obviously it'll get much more important, too. Other products in the space: - Foil (https://usefoil.com/), I'm biased, a friend is building this - Kasada https://www.kasada.io/ -... - Source: Hacker News / 3 months ago
Castle (https://castle.io) | Senior ML Engineer | Senior R&D Detection Engineer | REMOTE (Europe/EMEA) | Full-time Hi HN! I’m Antoine, Head of Research at Castle. We’re a YC-backed Series A startup helping companies like Canva,... - Source: Hacker News / over 1 year ago
Tell me about the fingerprint, they using castle.io within segment.com ? Or something else? And what they watching? Source: over 3 years ago
When comparing DevDocs and Castle, you can also consider the following products.

A free, open-source offline documentation browser that puts documentation for every major language and framework one instant search away, on Linux and Windows.
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Pulse Secure provides a consolidated offering for access control, SSL VPN, and mobile device security. Contact Pulse Secure at 408-372-9600 to get a free demo.
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Dash is an API Documentation Browser and Code Snippet Manager. Dash searches offline documentation of 200+ APIs and stores snippets of code. You can also generate your own documentation sets.
Compare Dash for macOS to DevDocs or Castle:

Flexera Software Vulnerability Manager provides solutions to continuously track, identify and remediate vulnerable applications.
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Tor is free software for enabling anonymous communication.
Compare Tor Browser to DevDocs or Castle: