
SCI-HUB
arXiv
Ladder
Z-Lib
Archive.org
PaywallBuster
Open Access Button
Legally read research papers behind paywalls.

Codecademy
Free Code Camp
AlgoExpert.io
Py
W3Schools
SoloLearn
Interview Cake
The best app to learn 14+ programming languages such as Python, Assembly, HTML, VB.

Which is more popular?
Based on our record, Unpaywall seems to be a lot more popular than Programming Hub. While we know about 44 links to Unpaywall, we've tracked only 2 mentions of Programming Hub.
Website, pricing, platforms and company facts side by side.
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| Website | unpaywall.org | programminghub.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.
How often each product is chosen within a category, 0–100% relative to the other.


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


GetTheResearch.org is an Artificial Intelligence(AI) powered search engine for search and understand scientific articles for researchers and scientists. It was developed as a part of the Unpaywall project. Unpaywall...
While Scratch is popular among desktop users, Programming Hub targets mobile users. As a result, the platform only features mobile applications for Android and iOS. It doesn’t have a desktop app, and you can’t use it...
Recommendations tracked on public social media and blogs since March 2021.


You might also find this interesting: https://unpaywall.org/. Source: almost 3 years ago
> can you detail what the possible issue is? Why? Are you in a position to help everyone? (As you probably guessed while reading the comment you replied to, I don't really need help; more on that below). "Occasional" is not universal;... - Source: Hacker News / almost 3 years ago
There are many of course the problem is that the ai hallucination problem is still a huge issue. For instance, getting all of https://unpaywall.org/ or something similar into an LLM would be a boon for scientists, but... If you can't... Source: over 3 years ago
I am using https://programminghub.io/ app to learn python. I think it is super simple to understand and it is only 7USD. Source: over 4 years ago
Programming Hub is an application developed in collaboration with Google experts, so you can be assured of the quality of the knowledge we learn here. It, like the above apps, offers a variety of programming languages such as Javascript,... - Source: dev.to / about 5 years ago
When comparing Unpaywall and Programming Hub, you can also consider the following products.

It provides mass and public access to tens of millions of research papers
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Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.
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arXiv is a free distribution service and an open-access archive for scholarly articles.
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Learn to code by helping nonprofits.
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Community-first career growth for the next generation.
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A better way to prep for tech interviews
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