Developer Experience Tools

Developer Experience Tools

Developer productivity calculators, onboarding time estimators, cognitive load reference tools, developer environment setup guides, and DX measurement tools that run entirely in your browser.

🔒 Browser-only — no data sent ⚡ Zero account required 📦 12 free tools
onboarding
Developer Onboarding Time Calculator
Calculate onboarding cost and productivity loss from time-to-first-commit data.
productivity
Cognitive Load Reference
Reference guide to cognitive load theory for software teams — intrinsic, extraneous, and germane load.
productivity
Inner Loop Time Calculator
Calculate daily time lost to slow inner development loop and annual engineering cost.
measurement
Developer Survey Metric Reference
Reference guide to DX measurement frameworks — SPACE, DevEx dimensions, DORA, and developer NPS.
environments
Dev Environment Parity Checker
Assess local development environment parity with production across key dimensions.
measurement
DX Metric Baseline Calculator
Calculate DX metric baseline values with percentile guidance and improvement targets.
productivity
Meeting Overhead Calculator
Calculate total engineering meeting cost and deep work time available per week.
productivity
Context Switch Cost Calculator
Calculate daily productivity loss from context switching frequency.
documentation
Documentation Coverage Checker
Assess documentation coverage across README, architecture, runbooks, and API docs.
measurement
Developer NPS Calculator
Calculate developer NPS from promoter and detractor percentages with benchmark comparison.
environments
Local Dev Environment Reference
Reference guide to local development environment approaches — Docker Compose, cloud IDEs, and secrets management.
flow
Code Review Cycle Time Calculator
Calculate code review cycle time metrics and DORA lead time contribution.