Calculators
Finance
Loan & Mortgage Calculator
Monthly payment, total interest, and a full amortization schedule.
HealthMacro & TDEE Calculator
Calories and protein/carb/fat targets from your stats and goal.
EverydayAge Calculator
Exact age, days between dates, and next-birthday countdown.
EducationGPA Calculator
Weighted and cumulative GPA on the 4.0 scale.
HomePaint Calculator
How much paint you need by room size, coats, and coverage.
Builders & generators
Careers
Resume / CV Builder
Live preview, clean templates, print or save to PDF.
DevelopersAI Rules Generator
Tailored rules files for Cursor, Claude Code, Copilot, Windsurf & more.
DesignDev Icons
56 free, consistent, MIT-licensed SVG icons.
Guides & kits for developers
Guides
The Claude Code Guide
Practical, honest guides for Anthropic's Claude Code.
Open sourceai-coding-rules
Rules + a prompt library for every major AI coding assistant.
Open sourceClaude Code Starter
A free Claude Code kit: skill, subagent, workflow, template.
ProductivityObsidian Second-Brain Starter
A free PARA-structured Obsidian vault to get started fast.