🛠️ Build problems
Apps, websites, tools, bots and prototypes.
BuildHelps small businesses
Build a free app that automatically chases overdue invoices
BuildHelps everyone
Create a website that finds the cheapest supermarket for your whole shopping list
BuildHelps everyone
Build a simple tool that combines Google, Outlook and Apple calendars into one view
BuildHelps everyone
Create a free website that shows whether an image has appeared online before
BuildHelps everyone
Build a simple app that tracks your subscriptions and warns you before they renew
BuildHelps everyone
Build a free tool that splits household bills fairly, not just equally
BuildHelps small businesses
Build a tool that explains why a website is slow, in normal language
BuildHelps small businesses
Create a simple inventory app for small businesses
BuildHelps everyone
Create an app that suggests meals from what’s already in your fridge
BuildHelps everyone
Create a useful web service that costs less than $1 a month to run
BuildHelps everyone
Make a useful application that works completely offline
BuildHelps everyone
Create something useful using only public-domain data
BuildHelps everyone
Build something useful with no account, no cookies, no tracking and no ads
BuildHelps commuters
Tell rail passengers if a delayed journey qualifies for Delay Repay and where to claim
BuildHelps students
Build a calculator that tells graduates whether overpaying their student loan is worth it
BuildHelps households
Turn any smart meter CSV into clear charts in a single HTML file, nothing uploaded
BuildHelps everyone
Show every genuinely free way to file US taxes now that Direct File is gone
BuildHelps families
Build a checker for federal and state earned income and child tax credits
BuildHelps rural residents
Make an easy kit for challenging wrong entries on the FCC broadband map
BuildHelps parents
Check a secondhand car, crib or gadget for recalls in one search
BuildHelps deaf and hard of hearing people
Map where you can text 911 in the US, county by county
BuildHelps patients
Reconcile FDA and ASHP drug shortage lists into one clear view
BuildHelps students