Find a problem to solve
Build it, find it, work it out or explain it. Whoever solves it earns the bounty.
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
ExplainHelps everyone
Create a tool that explains government forms in plain English
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
ExplainHelps everyone
Make a genuinely understandable video explaining how mortgages work
ExplainHelps everyone
Create an interactive website showing roughly where your UK taxes go
Open SourceHelps everyone
Build a free tool that turns messy CSV files into clean spreadsheets
BuildHelps everyone
Create an app that suggests meals from what’s already in your fridge
ResearchHelps small businesses
Build a website that shows the real cost of popular SaaS subscriptions
DiscoverHelps everyone
Find a genuinely useful service that exists in another country but strangely not in the UK
BuildHelps everyone
Create a useful web service that costs less than $1 a month to run
DiscoverHelps everyone
Find a public dataset that exists but nobody has made genuinely useful yet
BuildHelps everyone
Make a useful application that works completely offline
ExplainHelps everyone
Make a five-minute video that teaches anyone to spot a misleading graph
Open SourceHelps developers
Take a useful abandoned open-source project and make it work again
DesignHelps everyone
Redesign a commonly confusing government letter so anyone understands it immediately
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
Open SourceHelps everyone
Start an open dataset of UK products that got smaller but not cheaper
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
ImproveHelps everyone
Fix the accessibility errors on a popular open-source project’s website or docs
ImproveHelps everyone
Clear 100 “citation needed” tags on Wikipedia with real, reliable sources
ResearchHelps film fans
Track which of the BFI 75 Most Wanted lost films have turned up, and log the leads
DiscoverHelps everyone
Map every free, official way to find lost money in the UK on one page
ExplainHelps everyone
Make a field guide to the scam texts people in the UK actually receive
Open SourceHelps parents
Publish free calendar feeds of school term dates for every UK council
Open SourceHelps everyone
Fix five broken council scrapers in the UK Bin Collection Data project
ResearchHelps everyone
Test whether appliance makers really sell the spare parts UK law says they must
ExplainHelps creators
Explain the “side hustle tax” for Vinted, eBay and Etsy sellers in 5 minutes
ExplainHelps everyone
Explain what the standing charge on your energy bill actually pays for
DesignHelps developers
Design a cookie banner under 5KB where Reject is as easy as Accept
DesignHelps drivers
Design a one-page flowchart for “I got a parking ticket, what now?”
Open SourceHelps patients
Turn hospital price transparency files into a plain price lookup
ExplainHelps patients
Explain an Explanation of Benefits line by line, and why it isn’t a bill
DiscoverHelps everyone
Put every US federal unclaimed money search on one checklist page
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
ExplainHelps students
Help federal student loan borrowers choose a plan as SAVE ends
ResearchHelps renters
Map utility shutoff protections and bill help for every US state
ResearchHelps patients
Track which states keep medical debt off your credit report
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
DiscoverHelps everyone
Find every US water utility’s lead pipe inventory in one directory
ExplainHelps disaster survivors
Decode FEMA disaster assistance letters so survivors don’t give up too early
ExplainHelps retirees and disabled people
Explain Social Security overpayment notices and your options in plain English
DiscoverHelps seniors