Small tools.
Better days.
For work, learning and life.
A little more ease.
TernX
Connect. Then
keep moving.
Terminal and files, together.
Everyday server work, from your Mac.

The right tools
for your everyday.
Connect. Check. Learn.
Start with what you want to do.
TernX
From connection to getting things done.
SSH, SFTP, file editing and everyday server tasks in one place.
Learn moreRimawari Pocket
Check a property’s rental returns.
Enter price and rent to check a property’s rental yield.
Learn moreSoradayori
Today’s sky, at a glance.
Read public weather forecasts and warnings for your current area.
Learn moreResidential Property Manager
Understand the statutes.
Unofficial study material for the Residential Property Manager exam.
Learn moreTakken
Turn knowledge into exam preparation.
Study for the Takken exam from statute text. Unofficial study material.
Learn moreFP Skills
Build knowledge and calculation skills.
Unofficial study material for FP Skills levels 3 and 2.
Learn moreJLPT Exam Prep
Take your Japanese a step further.
Unofficial N1 and N2 practice in the exam’s question formats.
Learn more7 apps
Small by design.
Useful for the long run.
DevCook is an independent software studio making apps that fit naturally into everyday life.
We make complex tasks easier to handle, with clear controls and fewer steps. We build and improve small tools, one at a time.
Simple
Clear tools for what you need.
Private
Treating your data with care.
Useful
A little ease in everyday tasks.
Need a hand?
Start here.
Find guides, support
and privacy policies for every app.