I’m Dean, the creator of FlowSim. As a process analyst and engineer, I spent years wrestling with clunky, expensive enterprise software just to map and test operational workflows. Most simulation tools require heavy desktop installations or a steep learning curve just to get basic answers. So, I built FlowSim to change that: a professional, browser-based discrete-event process simulator designed specifically for operations teams who want clarity without the complexity. Key features include: Visual Workflow Design: Easily build and layout your business processes right inside your browser. Real-Time Discrete-Event Simulation: Watch your processes run in motion to see exactly where work piles up. Bottleneck Identification: Pinpoint constraints, idle times, and resource limits instantly. Throughput Measurement: Test changes, tweak parameters, and optimize efficiency before making costly real-world adjustments. Zero Setup: No heavy software downloads or complex configurations required. It’s completely free to start, and I would love for you to give it a spin. I’ll be hanging out in the comments all day—let me know what you think, what features you'd love to see next, or if you have any questions about your workflows! 🙏🚀

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Moving beyond static flowcharts to dynamic, browser-based simulation lets operations teams test variability, queue lengths, and resource utilization instantly turning days of legacy enterprise modeling into minutes of real-time insight without any heavy software installation.
What is the most common hidden bottleneck that shows up during a discrete-event simulation that standard static process mapping completely misses?

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FlowSim

Discrete-event workflow simulation for operations teams

Discrete-event workflow simulation for operations teams

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