
Framadate
Doodle
FullCalendar
Smart Scheduling
Xoyondo
WhenIsGood
Crab Fit
Dudle is an online scheduling application, which is free and open source.

NovoPsych
Digital Psychology assessments with research-backed UX for neurodivergent patients. Better completion rates, more comfortable patient experience, instant scoring, trend tracking with secured data hosting.

Which is more popular?
Based on our record, DuD-Poll seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | dud-poll.inf.tu-dresden.de | clientforms.app |
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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.
Senior Softball Bat Reviews ( Dudley Lightning Bobby Nifong)
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DuD-Poll 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 DuD-Poll 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.


At least the Ruby-code of https://dud-poll.inf.tu-dresden.de/ is available from https://github.com/kellerben/dudle/. Source: over 3 years ago
Similar to the service of the Technical University Dresden, Germany called Dudle, there is an private and secure alternative called Nuudel, created and hosted by also German association for privacy and freedom of information called... Source: almost 5 years ago
Dudle is the most privacy friendly voting application on the web. The only downside is the outdated user interface. Source: about 5 years ago
Tracking ClientForms.app since Dec 2025.
When comparing DuD-Poll and ClientForms.app, you can also consider the following products.


NovoPsych is a tool that is used for outcome monitoring via conducting psychological tests online.
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Make meetings happen. With Doodle, scheduling becomes quick and easy.
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FullCalendar is an open-source JavaScript event calendar.
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Free scheduling software for spas, hair & beauty salons. Best online booking & calendar app. 100% FREE salon software. Try it Now!
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Xoyondo makes it easy to find a date for your event that works for everybody. You can also create polls and conduct surveys. Xoyondo is free. No registration required.
Compare Xoyondo to DuD-Poll or ClientForms.app: