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Design0 solutionsBuild Bagholder.lol without real-money gambling
Build0 solutionsBring back StumbleUpon
Build0 solutionsBuild a free app that automatically chases overdue invoices
BuildHelps small businesses0 solutionsCreate a website that finds the cheapest supermarket for your whole shopping list
BuildHelps everyone0 solutionsBuild a simple tool that combines Google, Outlook and Apple calendars into one view
BuildHelps everyone0 solutionsCreate a free website that shows whether an image has appeared online before
BuildHelps everyone0 solutionsBuild a simple app that tracks your subscriptions and warns you before they renew
BuildHelps everyone0 solutionsCreate a tool that explains government forms in plain English
ExplainHelps everyone0 solutionsBuild a free tool that splits household bills fairly, not just equally
BuildHelps everyone0 solutionsCreate a website that helps parents find free local activities for children
BuildHelps parents0 solutionsBuild a tool that explains why a website is slow, in normal language
BuildHelps small businesses0 solutionsCreate a simple inventory app for small businesses
BuildHelps small businesses0 solutionsMake a genuinely understandable video explaining how mortgages work
ExplainHelps everyone0 solutionsCreate an interactive website showing roughly where your UK taxes go
ExplainHelps everyone0 solutionsBuild a free tool that turns messy CSV files into clean spreadsheets
Open SourceHelps everyone0 solutionsCreate an app that suggests meals from what’s already in your fridge
BuildHelps everyone0 solutionsBuild a website that shows the real cost of popular SaaS subscriptions
ResearchHelps small businesses0 solutionsFind a genuinely useful service that exists in another country but strangely not in the UK
DiscoverHelps everyone0 solutions⏱ 59 days leftCreate a useful web service that costs less than $1 a month to run
BuildHelps everyone0 solutions⏱ 59 days leftFind a public dataset that exists but nobody has made genuinely useful yet
DiscoverHelps everyone0 solutions⏱ 59 days leftMake a useful application that works completely offline
BuildHelps everyone0 solutions⏱ 59 days leftMake a five-minute video that teaches anyone to spot a misleading graph
ExplainHelps everyone0 solutionsTake a useful abandoned open-source project and make it work again
Open SourceHelps developers0 solutionsRedesign a commonly confusing government letter so anyone understands it immediately
DesignHelps everyone0 solutionsCreate something useful using only public-domain data
BuildHelps everyone0 solutions⏱ 59 days leftBuild something useful with no account, no cookies, no tracking and no ads
BuildHelps everyone0 solutions⏱ 59 days leftBuild a payslip checker that runs in one HTML file and never uploads your pay
BuildHelps everyone0 solutionsTell rail passengers if a delayed journey qualifies for Delay Repay and where to claim
BuildHelps commuters0 solutionsStart an open dataset of UK products that got smaller but not cheaper
Open SourceHelps everyone0 solutionsBuild a calculator that tells graduates whether overpaying their student loan is worth it
BuildHelps students0 solutionsHelp renters check if their deposit was protected and what they can claim if not
BuildHelps renters0 solutionsTurn any smart meter CSV into clear charts in a single HTML file, nothing uploaded
BuildHelps households0 solutionsFix the accessibility errors on a popular open-source project’s website or docs
ImproveHelps everyone0 solutions⏱ 59 days leftClear 100 “citation needed” tags on Wikipedia with real, reliable sources
ImproveHelps everyone0 solutionsTrack which of the BFI 75 Most Wanted lost films have turned up, and log the leads
ResearchHelps film fans0 solutionsMap every free, official way to find lost money in the UK on one page
DiscoverHelps everyone0 solutionsMake a field guide to the scam texts people in the UK actually receive
ExplainHelps everyone0 solutions⏱ 59 days leftPublish free calendar feeds of school term dates for every UK council
Open SourceHelps parents0 solutionsFix five broken council scrapers in the UK Bin Collection Data project
Open SourceHelps everyone0 solutionsTest whether appliance makers really sell the spare parts UK law says they must
ResearchHelps everyone0 solutionsExplain the “side hustle tax” for Vinted, eBay and Etsy sellers in 5 minutes
ExplainHelps creators0 solutions⏱ 59 days leftExplain what the standing charge on your energy bill actually pays for
ExplainHelps everyone0 solutions⏱ 59 days leftDesign a cookie banner under 5KB where Reject is as easy as Accept
DesignHelps developers0 solutions⏱ 59 days leftDesign a one-page flowchart for “I got a parking ticket, what now?”
DesignHelps drivers0 solutions⏱ 59 days leftTurn hospital price transparency files into a plain price lookup
Open SourceHelps patients0 solutionsExplain an Explanation of Benefits line by line, and why it isn’t a bill
ExplainHelps patients0 solutions⏱ 59 days leftPut every US federal unclaimed money search on one checklist page
DiscoverHelps everyone0 solutionsShow every genuinely free way to file US taxes now that Direct File is gone
BuildHelps everyone0 solutions⏱ 59 days leftBuild a checker for federal and state earned income and child tax credits
BuildHelps families0 solutionsHelp federal student loan borrowers choose a plan as SAVE ends
ExplainHelps students0 solutionsMap utility shutoff protections and bill help for every US state
ResearchHelps renters0 solutionsTrack which states keep medical debt off your credit report
ResearchHelps patients0 solutionsMake an easy kit for challenging wrong entries on the FCC broadband map
BuildHelps rural residents0 solutionsCheck a secondhand car, crib or gadget for recalls in one search
BuildHelps parents0 solutionsMap where you can text 911 in the US, county by county
BuildHelps deaf and hard of hearing people0 solutionsFind every US water utility’s lead pipe inventory in one directory
DiscoverHelps everyone0 solutionsDecode FEMA disaster assistance letters so survivors don’t give up too early
ExplainHelps disaster survivors0 solutionsExplain Social Security overpayment notices and your options in plain English
ExplainHelps retirees and disabled people0 solutions⏱ 59 days leftHelp people find unbiased Medicare plan help before open enrollment
DiscoverHelps seniors0 solutionsReconcile FDA and ASHP drug shortage lists into one clear view
BuildHelps patients0 solutionsBuild a free web accessibility starter kit for small US local governments
Open SourceHelps people with disabilities0 solutionsBuild a website where strangers can swap things without money
Build0 solutionsPublish every state FAFSA aid deadline as a calendar you can subscribe to
BuildHelps students0 solutions