
Pixi.js
Substance
Glottologist
Anime.js
p5.js
Shiny.js
GoJS
Lightweight, vanilla javascript parallax library

NovoPsych
Clinical assessment tools for psychologists, therapists and occupational therapists. Send measures by secure link and review scored results, severity bands and reports.

Which is more popular?
Based on our record, Rellax.js 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 | dixonandmoe.com | clientforms.app |
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In their own words, as submitted to SaaSHub.


No description of Rellax.js yet.
Clinical assessment tools for psychologists, therapists and occupational therapists. Send measures such as the PHQ-9, GAD-7 and DASS-21 by secure link and get scored results, severity bands and reports ready to review. The catalogue also includes DSM-5 ADHD assessments and autism screening tools....
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.
Use Rellax.js to Create this Awesome Parallax Scrolling Effect
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Rellax.js and ClientForms.app.
ClientForms.app's answer:
Frontend: Next.js 15 (React 19), Tailwind CSS Backend: Supabase (PostgreSQL, Row-Level Security) Authentication: Clerk Payments: Stripe Hosting: Vercel (Sydney region) Database hosting: Supabase (Australian data residency)
ClientForms.app's answer:
Psychologists who assess ADHD and autism. Typically private practice, solo or small group (1-5 clinicians), currently using paper forms and spending hours on admin per assessment. They want something that works and is secure.
ClientForms.app's answer:
Neurodivergent-first design. Most digital forms just replicate paper online. ClientForms is built specifically for ADHD and autism patients - progress bars with time remaining (helps with time blindness), softer colours instead of harsh white, sticky headers so you always know where you are. The forms are designed to reduce anxiety and improve completion rates.
ClientForms.app's answer:
Most clinical software treats patients as an afterthought. ClientForms is designed specifically for neurodivergent users who are filling out the forms, progress indicators, time estimates, calmer colours, predictable layouts. One link, no signup required, works on any device. Patients just open and complete.
Share your experience with using Rellax.js and ClientForms.app. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


If you want something lightweight but at the expense of strict accuracy, I like the flexibility of Rellax. Source: about 4 years ago
Relax (for parallax scrolling speed of elements). Source: almost 5 years ago
Scroll-based interaction or animations have been popular for quite a while now. But most of the libraries I find either disable the browser scrollbar completely and implement their own scrolling based on css transforms (like... Source: over 5 years ago
Tracking ClientForms.app since Dec 2025.
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