
Sawyer
Swiftlier
CourseStorm
Arlo
Enrollsy
Tuio.org
WPAmelia
ClassDuo is class registration software for in-person programs like camps, workshops, and community classes. It lets you create schedules, collect payments, manage waitlists, track attendance, send reminders, and handle waivers—all in one place.

SourceForge.net: ShellNewHandler details page
Which is more popular?
Based on our record, ShellNewHandler seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | classduo.com | sourceforge.net |
| Pricing | — | |
| Company | Startup from the United States · 1 - 9 employees · 2024 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


ClassDuo is a modern class registration platform designed for organizations that offer in-person classes, workshops, camps, or community programs. It streamlines the entire registration process, making it easy for staff to create class schedules, publish registration pages, collect payments, and...
No description of ShellNewHandler yet.
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
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ClassDuo and ShellNewHandler. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking ClassDuo since Jul 2025.
Use Shell New Handler. Run the portable app and simply untick the items you don't want to appear in your new context menu. Source: about 4 years ago
I've always used ShellNewHandler for this. It's a really simple portable utility that allows you to remove most of the items from that menu. Tested it out on Windows 11 and it's still compatible. Source: over 5 years ago
When comparing ClassDuo and ShellNewHandler, you can also consider the following products.

Discover a wonder-filled world of kids classes, camps, events, and activities, right in your neighborhood
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Swiftlier, the all-in-one platform for educational businesses. Streamline complexity. Maximise potential. Swiftlier cuts through admin with automation, giving you time to sell, lead and educate
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Impossibly simple course enrollment software.
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Wake up to personalized messages from your favorite voices
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Cloud-based classroom & enrollment management
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Tuio is a billing and payment application that allow daycare centers and pre-schools to centralize and manage all parent billing and payment in one place.
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