Cities
Startup Weekend Finalist Idea Gallery
9 Geographies · 45 Ideas · Categories, Tags & Classifications
B Technical MVP
C Network / Coalition
1. BreatheEasy East Bay
From air data to enforceable action in frontline neighborhoods.
Neighborhood air-quality & freight-exposure dashboard producing policy-ready evidence packets and recommended interventions.
Environmental JusticeAir QualityPublic HealthData Dashboards
freight exposureparticulate matterevidence packetsfrontline communitiesBAAQMDOaklandWest Oaklandsensor data
2. ReUseWorks East Bay
Deconstruction-first reuse that keeps value—and skills—local.
Contractor-to-reuse matching tool with pickup workflows and compliance-friendly diversion receipts.
Circular EconomyWaste DiversionWorkforce DevelopmentConstruction & Deconstruction
material reusedeconstructiondiversion receiptscontractor matchingcompliance reportingSB 1383Alameda County
3. CoopConnect East Bay
Community-owned connectivity planning for apartments and corridors.
Pilot planner for mesh/fiber co-ops that estimates costs, recruits members, and outputs a governance starter kit.
Digital EquityCooperative OwnershipBroadband & ConnectivityCommunity Governance
mesh networkfiber co-opdigital dividegovernance kitcost estimatormember recruitmentBerkeley
4. CoolRoutes East Bay
Safer walking routes during heat and smoke—no app download.
SMS-link-friendly map to cooling/clean-air resources plus a “service gaps” dashboard for policy action.
Climate ResiliencePublic HealthPedestrian SafetyAccessible Technology
extreme heatwildfire smokecooling centersSMS mappingservice gapsno-app-requiredvulnerable populations
5. ShorelineReady East Bay
Sea level rise decisions, prioritized by community benefit.
Shoreline adaptation prioritizer that ranks near-term projects and generates funding-ready one-page briefs.
Climate AdaptationSea Level RiseInfrastructure PlanningGrant Readiness
shoreline protectionadaptation prioritizationcommunity benefitfunding briefsBCDCAlameda shorelineresilience scoring
6. PermitPath Bay
Cut clean-energy soft costs by making permits legible, trackable, and fixable.
A permitting navigator + lightweight tracker revealing where heat-pump/solar permits get stuck across Bay Area jurisdictions.
Clean EnergyPermitting & ComplianceGovernment Transparency
heat pumpsolar permitssoft costspermit trackerjurisdiction comparisonbottleneck analysiselectrification
7. SignalLedger Bay
Connectivity truth on the ground—usable for grants, oversight, and accountability.
Crowd-verified broadband map logging speed, outages, and affordability to produce policy-ready evidence for digital equity.
Digital EquityBroadband & ConnectivityData DashboardsGovernment Accountability
broadband mappingspeed testsoutage loggingaffordabilitycrowd-verifiedevidence packetsBEAD
8. CarbonClause SF
Procurement that rewards low-carbon, circular vendors without breaking compliance.
A clause-and-scoring tool helping agencies add circularity requirements and score bids transparently.
Sustainable ProcurementCircular EconomyPermitting & Compliance
procurement scoringcircularity clauseslow-carbon vendorsbid evaluationbuy cleanSan Francisco
9. MaterialMatch Bay
Turn local waste streams into local inputs—fast.
Two-sided exchange where businesses list reusable byproducts and local makers/composters claim them with pickup workflows.
Circular EconomyWaste DiversionLocal Economy
byproduct exchangematerial reusepickup workflowsmakerscompostersindustrial symbiosis
10. HeatShield Bay
Heat and air-risk decisions you can act on this quarter.
Neighborhood dashboard translating risk into prioritized interventions and a policy checklist for cities.
Climate ResiliencePublic HealthData Dashboards
heat vulnerabilityair quality riskintervention prioritizationpolicy checklistneighborhood-level
11. Deposit+ PDX
Make reuse easier than single-use.
Reusable-container return network coordinating drop points, tracking turns, and generating policy metrics.
Circular EconomyWaste DiversionReuse Systems
reusable containersdeposit returndrop pointsturn trackingpolicy metricsPortland
12. RepairRoster PDX
Keep money local by making repair the default.
Booking/referral platform for local repair pros with repair-vs-replace impact stats.
Circular EconomyLocal EconomyWorkforce Development
right to repairrepair directoryimpact statslocal tradespeoplewaste preventionPortland
13. PublicWiFi Planner PDX
Put hotspots where people actually need them—especially during climate events.
Planning tool suggesting Wi-Fi hotspot placement near libraries, transit, and shelter sites using equity heuristics.
Digital EquityClimate ResilienceInfrastructure Planning
WiFi hotspotsequity heuristicslibrariesshelter sitesclimate eventssite planningPortland
14. CompostCredits PDX
Reward organics diversion and grow a local soil economy.
Verification-light rewards program tracking diversion and routing feedstock to local composters.
Waste DiversionLocal EconomyIncentive Programs
organics diversioncompost rewardsfeedstock routingsoil economyverificationPortland
15. CivicComment PDX
Better public comments, fewer procedural barriers.
Turns meeting agendas into decision points and helps residents submit relevant, specific testimony on time.
Civic ParticipationGovernment TransparencyAccessible Technology
public commentmeeting agendastestimonydecision pointsprocedural accessPortland
16. GridReady SEA
Make community energy projects permit-and-interconnection ready.
Checklist/workflow helping nonprofits and co-ops navigate interconnection steps and policy requirements.
Clean EnergyPermitting & ComplianceCommunity Governance
interconnectioncommunity energyco-op solarpermit checklistnonprofitsSeattle
17. MeetingMint SEA
From meetings to commitments—track what government promised.
Converts agendas/minutes into trackable commitments with owners, deadlines, and a public follow-up page.
Government AccountabilityCivic ParticipationData Dashboards
meeting minutescommitment trackerpublic follow-updeadlinesaccountabilitySeattle
18. MeshCommons SEA
Co-op internet planning for neighborhoods, not monopolies.
Map-based planner suggesting mesh node placements and generating a governance + funding starter kit.
Digital EquityCooperative OwnershipBroadband & Connectivity
mesh networknode placementgovernance kitfunding planco-op broadbandSeattle
19. RainWise Navigator SEA
Stormwater resilience with incentives people can actually use.
Address-based navigator for green-infrastructure incentives plus simple permit/maintenance checklists.
Climate AdaptationGreen InfrastructureIncentive Programs
stormwaterrain gardensRainWisegreen infrastructureaddress lookuprebatesSeattle
20. CircularScore SEA
A circularity label local businesses can prove—not just claim.
Lightweight badge generator scoring repairability, reuse, and local sourcing with an audit trail for procurement.
Circular EconomySustainable ProcurementLocal Economy
circularity labelrepairability scorelocal sourcingaudit trailbadge generatorSeattle
21. HeatShield MPLS
Target canopy and cooling where it prevents harm.
Heat vulnerability view suggesting cheapest interventions and helping justify budgets/grants.
Climate ResiliencePublic HealthGrant Readiness
heat vulnerabilitytree canopycooling interventionsbudget justificationMinneapolis
22. E-Bike Equity MPLS
Turn rebates into real ridership—especially for essential trips.
Eligibility checker + outreach tracker connecting residents to incentives and measuring uptake.
Sustainable MobilityIncentive ProgramsEquity & Access
e-bike rebateseligibility checkeroutreach trackingessential tripsridershipMinneapolis
23. OfflineFirst Outreach MPLS
Services that work when connectivity doesn’t.
Offline-capable mobile forms for outreach teams that sync securely when back online.
Accessible TechnologySocial ServicesDigital Equity
offline formsoutreach workersdata synclow-connectivityfield servicesMinneapolis
24. ToolLoop MPLS
Share tools, cut costs, strengthen neighborhoods.
Lending-library platform for community tool sheds with scheduling, deposits, and trust scoring.
Circular EconomyCommunity GovernanceLocal Economy
tool librarysharing economyschedulingtrust scoringcommunity shedsMinneapolis
25. PolicyPulse MPLS
Plain-language policy, fast—so more people can participate.
Produces a one-page brief with who’s impacted, key dates, and suggested questions for decision-makers.
Civic ParticipationGovernment TransparencyAccessible Technology
plain languagepolicy briefskey datesimpact summarydecision-makersMinneapolis
26. LeadSafe Chicago
Transparent progress toward lead-free water.
Dashboard for lead line replacement progress plus resident resources and barrier reporting.
Public HealthWater InfrastructureGovernment Accountability
lead pipeswater safetyreplacement trackingbarrier reportingresident resourcesChicago
27. BuildingBenchmark CHI
Make energy benchmarking compliance cheaper and clearer.
Guides building owners through reporting, flags missing data, and estimates paybacks aligned with city rules.
Building PerformancePermitting & ComplianceClean Energy
energy benchmarkingbuilding compliancepayback estimatesreporting wizarddata validationChicago
28. MaterialMatch Chicago
Construction leftovers to local projects—before they hit the dumpster.
Marketplace for reusable construction materials with pickup scheduling and circular impact reporting.
Circular EconomyWaste DiversionConstruction & Deconstruction
construction reusematerial exchangepickup schedulingimpact reportinglandfill diversionChicago
29. CivicBeacon CHI
Climate alerts people can act on—without social media.
Low-bandwidth alert + map for warming/cooling centers, air quality days, and disruptions (SMS-link friendly).
Climate ResiliencePublic HealthAccessible Technology
climate alertscooling centerswarming centersSMS-friendlylow bandwidthair qualityChicago
30. TransitTruth CTA
Service reliability that the public can verify.
Rider-facing tracker turning delays into weekly scorecards usable for oversight and operations feedback.
Government AccountabilitySustainable MobilityData Dashboards
transit reliabilityCTAdelay trackingscorecardsrider advocacyoversightChicago
31. GrantSprint GR
Small-city grant capacity in a box.
Shared timeline + task tracker to find climate/infrastructure grants and assemble applications quickly.
Grant ReadinessGovernment CapacityClimate Finance
grant applicationstask trackersmall citiesclimate grantsinfrastructure fundingGrand Rapids
32. RiverWatch GR
Local water health meets local accountability.
Resident stormwater reporting + hotspot dashboard translating issues into policy actions.
Water InfrastructureGovernment AccountabilityCivic Participation
stormwater reportingwater qualityhotspot mappingresident reportingGrand RiverGrand Rapids
33. RepairRoster GR
A repair economy you can see and support.
Repair directory + booking request flow with a public impact counter and partnership hooks.
Circular EconomyLocal EconomyWorkforce Development
repair directoryimpact counterbooking flowpartnershipsright to repairGrand Rapids
34. Broadband Commons GR
Evidence for internet equity, built from lived experience.
Community speed/affordability logging producing neighborhood briefs for policymakers and funders.
Digital EquityBroadband & ConnectivityData Dashboards
speed loggingaffordability dataneighborhood briefslived experiencedigital equityGrand Rapids
35. CompostCredits GR
Feed local composters, build local soil.
Rewards diversion and matches bulk generators to local compost capacity with pickup routes.
Waste DiversionLocal EconomyIncentive Programs
compost matchingbulk generatorspickup routesdiversion rewardssoil buildingGrand Rapids
36. HomeWeatherize DET
Make weatherization and energy upgrades navigable for real households.
Navigator matching residents to programs, documents, and trusted local contractors with reminders.
Clean EnergyEquity & AccessSocial Services
weatherizationenergy upgradesprogram navigatorcontractor matchingremindersDetroit
37. Blight2Build DET
Vacant lots to community assets—tracked, permitted, and funded.
Proposal + approvals tracker for reuse projects, with reclaimed materials sourcing hooks.
Community DevelopmentCircular EconomyPermitting & Compliance
vacant lotsblight remediationproposal trackerreclaimed materialscommunity assetsDetroit
38. SignalLedger DET
Connectivity accountability for neighborhoods, not carriers.
Logs speeds/outages/costs and generates evidence packets for grants and enforcement.
Digital EquityBroadband & ConnectivityGovernment Accountability
speed loggingoutage trackingcost transparencyevidence packetsenforcementDetroit
39. MobilityCoop DET
Shared vehicles that keep wealth local.
Co-op scheduling + utilization dashboard for shared vans/EVs used by nonprofits and neighborhoods.
Sustainable MobilityCooperative OwnershipLocal Economy
shared vehiclesco-op fleetEV accessutilization dashboardnonprofitsDetroit
40. WaterAfford DET
Find help, reduce shutoffs, improve policy feedback loops.
Plain-language assistance navigator plus anonymized trend dashboard on affordability pain points.
Water InfrastructureEquity & AccessSocial Services
water affordabilityshutoff preventionassistance navigatortrend dashboardanonymized dataDetroit
41. LL97 Copilot NYC
Local Law 97 compliance, explained like a checklist.
Workflow estimating emissions exposure, suggesting retrofit pathways, and organizing reporting tasks.
Building PerformancePermitting & ComplianceClean Energy
Local Law 97emissions reportingretrofit pathwayscompliance workflowbuilding decarbonizationNYC
42. FloodReady NYC
Basement and coastal flood risk—actionable, not scary.
Combines flood signals with a “what to do now” playbook for tenants, landlords, and community orgs.
Climate AdaptationPublic HealthCommunity Governance
flood riskcoastal resiliencebasement floodingaction playbooktenantslandlordsNYC
43. HeatSafe NYC
Cooling centers and heat alerts for the people most at risk.
SMS-link-friendly map highlighting cooling resources and surfacing community outreach/policy gaps.
Climate ResiliencePublic HealthAccessible Technology
cooling centersheat alertsSMS-friendlyoutreach gapsvulnerable populationsNYC
44. CompostNow NYC
Make compost rules simple and participation measurable.
Resident guide + opt-in reminders that track participation and route feedback to improve program design.
Waste DiversionCivic ParticipationIncentive Programs
compost rulesparticipation trackingopt-in remindersprogram feedbackresident guideNYC
45. MeshCommons NYC
Co-op internet planning for dense neighborhoods.
Rooftop/building mesh planning demo outputting a starter governance model and a costed pilot plan.
Digital EquityCooperative OwnershipBroadband & Connectivity
mesh networkrooftop nodesgovernance modelcosted pilotdense neighborhoodsNYC