PERT
Multi-user PERT scheduling with optimistic / realistic / pessimistic estimates and an automatic critical path.
Positioning
A modern, multi-user implementation of the PERT (Program Evaluation and Review Technique) scheduling method, built for teams that want optimistic, realistic, and pessimistic estimates with an automatic critical path rather than a static Gantt chart.
What it does
Captures activities with O / R / P estimates, computes TE = (O + 4R + P) / 6, runs a forward and backward pass on the dependency network, and surfaces the critical path. Validates the network for cycles, orphans, and missing dependencies; warns before any edit that would change the critical path. Supports milestones with anchored calendar dates and projects configured in hours, days, or weeks against a custom work calendar.
Surfaces
- Node (Activity-on-Arc) view
- Timeline (React Flow + Dagre)
- Resourcing heatmap
- Activities table
Inputs & outputs
CSV import and export for activities and dependencies. PNG export with current-view, fit-to-view, and auto-layout-and-fit options, plus copy-to-clipboard. Sub-activity .xlsx import is planned.
pert.jonssonassociates.com