VS Code
CodePen
GitHub
Node.js
RegExr
JSFiddle
CodeSandbox
Free ebook for the JS Beginners

ClinicalHawk EDC
Flex Databases
Octalsoft CTMS
BSI CTMS
Clinion CTMS
Castor EDC
Medidata CTMS
Simplify Trials, Amplify Results

Which is more popular?
Based on our record, Eloquent JavaScript seems to be more popular. It has been mentioned 218 times since March 2021.
Website, pricing, platforms and company facts side by side.
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EJS
Eloquent JavaScript
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| Website | eloquentjavascript.net | improwisetrials.com |
| Pricing | — | |
| Company | — | Startup from India · 20 - 49 employees |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Eloquent JavaScript yet.
ImproWise – An end-to-end Clinical Trials Management Platform that is 100% web-based and secure which is designed for ease of use and reliability. Our feature-rich and scalable solution supports Single Sign-On for Multi-Trial and Multi-Site Handling, Rapid Trial/ Study Setup (2 weeks), Budget...
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
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Eloquent JavaScript A Modern Introduction to Programming 3rd Edition by Marijn Haverbeke review
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ImproWise - All in One Clinical Trial Platform
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing Eloquent JavaScript and ImproWise.
ImproWise's answer:
ImproWise delivers a fully integrated, web-based end-to-end clinical trials platform that can be configured and deployed in as little as 2–4 weeks, at up to 50% lower cost than traditional systems. It combines CTMS, CDMS, EDC, CTBM, eTMF, ePRO, and project management in a single platform, enabling real-time data access, multi-trial and multi-site management, strong role-based security, and audit readiness—all without fragmented tools or complex integrations.
ImproWise's answer:
ImproWise offers a single, unified platform for managing the entire clinical trial lifecycle with faster setup (2–4 weeks), lower operational costs (up to 50% reduction), and real-time visibility across trials and sites. Unlike fragmented or rigid systems, ImproWise is highly configurable, supports multi-trial and multi-site management from one login, ensures strong compliance and audit readiness, and integrates budget, data, documents, and patient reporting—making trials more efficient, compliant, and scalable.
ImproWise's answer:
The primary audience of ImproWise includes clinical trial stakeholders who manage, execute, or oversee studies, such as Pharma sponsors, CROs, Principal Investigators, Specialist Doctors, Clinical Research Coordinators, Project Managers, and Clinical Data Managers. It is designed for organizations and professionals seeking a configurable, compliant, and cost-efficient platform to manage single or multi-site clinical trials end to end.
Share your experience with using Eloquent JavaScript and ImproWise. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

If you haven’t read Eloquent JavaScript , go check it out. It’s one of my all-time favourite programming books — hands down. - Source: dev.to / about 1 year ago
Videos, blogs, text-based teachings, YouTube project-based learning, books, and the like are all examples of various methods and mediums of acquiring skills, especially in the software engineering industry. As I continue to navigate... - Source: dev.to / almost 2 years ago
Seconded. I won't recommend it and no one I know has recommended it for a decade. It's hard for someone who doesn't know JS to know which parts has changed and is no longer the way to do things. https://github.com/getify/You-Dont-Know-JS... - Source: Hacker News / about 2 years ago
Tracking ImproWise since Jun 2025.
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