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GroupMixer
Fair groups with balance, constraints, and fewer repeats
GroupMixer creates random, balanced, and constraint-aware groups for classrooms, workshops, conferences, and networking events. Its standout is a world-class Social Golfer solver that finds exceptionally low-repeat schedules across multiple rounds while respecting group sizes and practical rules. The main workflow runs locally in your browser, is free, and requires no account.
Hi Product Hunt! I built GroupMixer after seeing how quickly a simple ‘split this roster’ task becomes a real scheduling problem. Random teams are easy, but facilitators often need balanced groups, people kept together or apart, fixed hosts, and several rounds where the same pairs should not keep meeting.
The solver is the part I’m proudest of. I set out to build the best practical Social Golfer solver available, then brought the Rust engine to the browser with WebAssembly. It searches for exceptionally low-repeat schedules across rounds while still respecting group sizes and real-world rules.
GroupMixer also starts simple: paste names and make quick random groups, then add only the constraints you need. The main workflow runs locally in the browser, requires no account, and is free to use.
I’d love feedback from teachers, facilitators, event organizers, and anyone who regularly turns a participant list into fair, useful groups. What grouping workflow should I improve next?
About GroupMixer on Product Hunt
“Fair groups with balance, constraints, and fewer repeats”
GroupMixer was submitted on Product Hunt and earned 0 upvotes and 4 comments, placing #129 on the daily leaderboard. GroupMixer creates random, balanced, and constraint-aware groups for classrooms, workshops, conferences, and networking events. Its standout is a world-class Social Golfer solver that finds exceptionally low-repeat schedules across multiple rounds while respecting group sizes and practical rules. The main workflow runs locally in your browser, is free, and requires no account.
On the analytics side, GroupMixer competes within Productivity, Events and Education — topics that collectively have 741.3k followers on Product Hunt. The dashboard above tracks how GroupMixer performed against the three products that launched closest to it on the same day.
Who hunted GroupMixer?
GroupMixer was hunted by Guido Witt-Dörring. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of GroupMixer including community comment highlights and product details, visit the product overview.
Guido Witt-Dörring