Vital
Omnisphere
Unstable by De La Mancha
Korg Legacy Collection
Dumpster Fire by Freakshow Industries
Nexus 2
SketchCassette
VST for FL Studio, Ableton Live, and many other VST supported DAWs. Heavily utilized in EDM.

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, Serum seems to be more popular. It has been mentioned 30 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Serum
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| Website | xferrecords.com | clientforms.app |
| Pricing | — | |
| Company | 2014 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

The dream synthesizer did not seem to exist: a wavetable synthesizer with a truly high-quality sound, visual and creative workflow-oriented interface to make creating and altering sounds fun instead of tedious, and the ability to “go deep” when desired - to create / import / edit / morph...
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.
THIS PLUGIN IS JUST REALLY REALLY GOOD!!! (Serum Plugin Review)
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How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing Serum 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 Serum 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.

What matters though is choosing a good synthesizer. I personally use Serum (~190$) for most things, since it's easy to use and has a big community with a lot of free and paid presets. Source: about 3 years ago
One of the problems I am currently facing is having a large lookup table. I want to have a large set of predefined sound waves that can be manipulated like programs such as Serum. Is this still possible with an MC instead of an MCU?... Source: over 3 years ago
You'll have to find some other alternative for your Text-to-speech needs. Serum has a basic speech synth, Vital uses Amazon's TTS solution, and you'll find plenty more with a quick google search. Source: over 3 years ago
Tracking ClientForms.app since Dec 2025.
When comparing Serum and ClientForms.app, you can also consider the following products.

Vital is a spectral warping wavetable synthesizer with drag'n'drop modulation workflow and animated preview of the synth's inner workings where needed. Comes with many modulation sources (including audio-rate), MPE support and FX chain.
Compare Vital to Serum or ClientForms.app:

NovoPsych is a tool that is used for outcome monitoring via conducting psychological tests online.
Compare NovoPsych to Serum or ClientForms.app:

Unstable by De La Mancha is a pitch modulation effect tool packed with inspiration and creativity.
Compare Unstable by De La Mancha to Serum or ClientForms.app:

Korg Legacy Collection is a suite of VST instruments that acts as an audio plugin software for integrating synthesizers and effects units into your digital audio workstation.
Compare Korg Legacy Collection to Serum or ClientForms.app:

Dumpster Fire by Freakshow Industries is a multi-dimensional virtual effect audio plugin that allows you to shape the sound of fire in all its forms.
Compare Dumpster Fire by Freakshow Industries to Serum or ClientForms.app: