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Rockstor is a free and open source NAS (Network Attached Storage) operating system.

Decode and verify SSL/TLS certificates online. Extract X.509 details including issuer, validity, SAN, and fingerprint. Fast, secure, and browser-based.
Which is more popular?
Based on our record, Rockstor should be more popular than Cert Decoder. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | rockstor.com | certdecoder.com |
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In their own words, as submitted to SaaSHub.


No description of Rockstor yet.
Cert Decoder is a free online tool that helps you decode X.509 SSL/TLS certificates in PEM format. It instantly shows important information like the issuer, expiry date, SAN entries, and fingerprint. All data is processed locally in your browser, so nothing is ever sent or stored elsewhere.
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
Rockstor is recommended for small businesses, home users, and technically inclined users who need a customizable, open-source NAS solution. It is particularly well-suited for users who want an alternative to costly proprietary NAS solutions and are interested in leveraging Btrfs features.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Rockstor Linux NAS Software
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Rockstor and Cert Decoder.
Cert Decoder's answer:
I built certdecoder.com over the weekend for my own needs. Sometimes in my work, I need to verify and check certificate details.
Cert Decoder's answer:
certdecoder.com was built using just JavaScript and HTML—simple, fast, and with all processing happening locally in your browser, so no certificate data is sent to any server
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Cert Decoder's answer:
Simple, fast, and reliable. Some similar tools can’t even decode basic certificates. I rigorously tested my tool with many real-world certificates and covered several edge cases where competitors fall short.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Share your experience with using Rockstor and Cert Decoder. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Rockstor is another excellent FreeNAS alternatives that come with a framework that can provide you with an open-source arrangement. The cost is reasonable, and it also provides you with a cloud server framework.
Rockstor is the free OS system released in GPL2 license & oriented to the NAS servers. This platform is based on CentOS 7, where Rockstor is added in the form of the additional RPMs, and the Anaconda installer is...
Users may quickly establish a reliable storage platform with the help of Rockstor’s four basic solutions, which come in the forms of personal cloud servers, SMB cloud servers, standard NAS servers, and custom solutions.
We have no reviews of Cert Decoder yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


I see everyone talking about FreeNAS and TrueNAS but what about RockStor? https://rockstor.com/ I've been using their free version for about two years now and so far rock solid (bar the irritating nag screen everytime I go to the... Source: over 3 years ago
There are OSes (like unraid or RockStor) that give you a GUI for some things, but those are strictly optional. Source: almost 5 years ago
Rockstor is another one that rarely gets talked about. I never used it, but it looks interesting and might be good if someone wants a WebUI for managing btrfs. Source: over 5 years ago
Why? Because I built certdecoder.com and couldn’t find a decent place to submit it. So I said screw it — I’ll build my own. With blackjack and hookers. - Source: dev.to / over 1 year ago
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