Free resources
Ten free tools, ten honest comparisons
No signup on any of it. The tools run entirely in your browser — nothing you type is sent anywhere. The guides are honest about where other tools are genuinely better; they only make the case where Groundkeep actually differs.
Free tools
Debt Snowball vs. Avalanche Calculator
Real month-by-month amortization on up to 4 debts, comparing payoff order by total months and interest paid.
Subscription Tax Calculator
Add up what your task, habit, notes, and finance apps really cost over time.
Estimation Bias Calculator
Enter a few estimated-vs-actual task times and get your average bias and a correction multiplier.
Busywork Tax Calculator
See what your repeat tasks cost you per year, in hours and dollars.
Streak Recovery Planner
Check off your last 14 days and find the exact day you can still skip under the never-miss-twice rule.
Bill Pileup Detector
Maps which days your bills land on and flags any 3-day stretch eating over half the month's total.
Real Focus Time Timer
Tracks real focused minutes separately from wall-clock time, subtracting every interruption.
Automation Tier Scorer
Tag each step of a process Manual, Semi, or Fully automated and see your score plus what to fix first.
60-Second Focus Leak Test
Counts your real tab switches for one minute and scores your focus integrity.
Agent-Readiness Score
8 yes/no questions on how much of your life a script could actually reach right now.
Guides & comparisons
Amazing Marvin Alternative
Same customization Marvin's known for, without the $12/mo running forever.
Obsidian Plugin Stack vs. a Built-In Life OS
Where Obsidian is genuinely better, and the one cost of assembling it yourself.
The ADHD Time-Blindness Fix
Logging real focus-timer minutes against your estimates, so you correct from your own track record.
Stop Googling "When Did I Last..."
Interval-based maintenance reminders that recalculate from when you actually last did the thing.
The "When X, I Will Y" Habit App
A dedicated cue-sentence field for implementation intentions, not just a streak counter.
Is Your Etsy Shop Actually Profitable?
Comparing real margin against real hours worked, not just revenue against cost.
A Chore Tracker Without Gold Stars
Plain routines that sync live across every device the instant someone checks a box.
Client Work and Life Admin, One App
Separate record types on one shared calendar, instead of two apps you're juggling.
Tracking a "3x a Week" Habit
A weekly target instead of fixed days, so rest days stop reading as failures.
Claude Code, Write Access, No API Key
How a local Claude Code session writes to your calendar over a documented local API.