Social Good
Crowdsourced Venue Accessibility Ratings
Rate cafés, shops and offices for ramps, toilets and noise levels
Beginner10h1–2
Next.jsLeafletPostgres
17/20Public Toilet Finder
Find the nearest clean, accessible public toilet with ratings.
Beginner8h1–2 people17/20 fit
Build Public Toilet Finder for travellers, women and people with medical conditions in ~8h with 1–2 people. Stack: Leaflet + Next.js + Postgres.
Why it wins: Everyday dignity issue.
Build flow
01 · Problem
Finding a usable public toilet is stressful in many cities.
02 · Solution
A map of toilets from open data and crowd reports with ratings for cleanliness, accessibility and baby-changing facilities.
03 · Build
- 1Load open data
- 2Build map
- 3Add ratings
- 4Add filters
04 · Demo
Find the nearest rated toilet on stage.
MVP checklist
- Map
- Ratings
- Accessibility filters
- Add new
Tech stack
| Tech | Role | |
|---|---|---|
| Leaflet | Interactive maps | UI |
| Next.js | Frontend + API routes | Web |
| Postgres | Relational database | Data |
Reference repos
Open-source projects you can build on. Links checked 2026-10-31.
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