The Nest

BUILD · EXPERIMENT · SHARE

A home for the tools, frameworks, and ideas I'm building — grounded in real delivery, not theory.

12+Years Experience
7Companies
150+Projects Transformed
Ideas to Share

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Free Calculators

Ready to use today — download, open in Excel, and start planning your next sprint.

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Calculator Free

Agile Team Capacity Calculator (Hours)

Convert team availability into true sprint capacity in hours — factoring in working days, leave, holidays, and productivity ratios.

Excel · Free Download Download
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Calculator Free

Agile Team Capacity Calculator (Days)

Plan sprint capacity in real working days per team member — with a focus factor for realistic, delivery-ready planning.

Excel · Free Download Download

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The Estimation Playbook

A three-edition series on Agile estimation — built from 12+ years of real enterprise delivery. Edition 1 is free and live now.

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Free Edition Live Now

The Estimation Playbook — Free Edition

Seven story point methods every Agile team should know — distilled from hands-on enterprise experience.

  • Fibonacci, T-Shirt Sizing & Bucket System
  • Planning Poker, Dot Voting & Affinity Mapping
  • 1 SP = 1 Person Day of Effort
  • Pros, cons & real-world examples for each method
PDF · 7 Methods · Free Download Free
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Paid Edition

The Estimation Playbook — With Live Case Study

A deep-dive framework paired with a real-world enterprise case study. Real implementation, real data, real outcomes — showing exactly how estimation was built and scaled.

PDF · Paid Coming Soon
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Premium · AI Edition

The Estimation Playbook — AI Edition

Integrating AI into your estimation workflow — ML-assisted forecasting, sprint predictability, and AI-driven planning for budgeting and programme delivery.

PDF · Premium Coming Soon
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