#realtime hackathon ideas

Ideas tagged realtime

• Gaming

  Phones as Game Controllers

  Use phones as controllers for a big-screen game

  Intermediate14h2–3

  Socket.IOPhaserQR codes

  19/20

• Climate

  Street Flood Reporter Map

  Residents report waterlogged streets in real time so others can avoid them

  Intermediate16h2–4

  LeafletFirebaseRealtime DB

  17/20

• Productivity

  Collaborative Whiteboard with AI Clustering

  Brainstorm on a shared canvas and let AI group sticky notes into themes

  Advanced26h2–4

  tldrawYjsEmbeddings

  17/20

• EdTech

  Anonymous Classroom Doubt Board

  Lets students ask doubts anonymously during class

  Beginner12h1–2

  Next.jsRealtime DBEmbeddings

  17/20

• Social Good

  Shelter Bed Availability Board

  See which shelters have free beds right now

  Intermediate14h2–3

  Next.jsSupabaseLeaflet

  17/20

• Social Good

  Disaster Relief Needs Board

  Show what each relief camp needs right now so donations match

  Intermediate14h2–3

  Next.jsSupabaseLeaflet

  17/20

• Gaming

  Co-op Online Escape Room

  Solve puzzles together where each player sees different clues

  Intermediate18h2–3

  ColyseusPhaserNode.js

  17/20

• Gaming

  Collaborative Pixel Canvas

  Everyone places one pixel at a time on a shared canvas

  Beginner10h1–2

  Socket.IOCanvas

  17/20

• AI

  Live Talk Captions and Translation

  Show live captions of a talk and let each viewer pick their language

  Advanced30h2–4

  whisper.cppSocket.IOLLM

  16/20

• Productivity

  Virtual Coworking Presence Room

  Work alongside others in a quiet virtual room with shared goals and timers

  Intermediate18h2–3

  Socket.IONext.jsPostgres

  16/20

• Health

  Clinic Queue Notifier

  Lets patients wait outside and get notified when it’s their turn

  Beginner12h1–2

  Next.jsRealtime DBSMS API

  16/20

• Gaming

  Live Tournament Bracket

  Run a tournament with live brackets and score reporting

  Beginner8h1–2

  Next.jsSupabase

  16/20

• Productivity

  Local-First Notes with Peer Sync

  Notes that work offline and sync between your devices without a central server

  Advanced28h1–3

  YjsIndexedDBWebRTC

  15/20

• Gaming

  Multiplayer Code Typing Race

  Practise typing real code snippets against friends

  Intermediate24h1–3

  Node.jsSocket.IOReact

  15/20

• Gaming

  Party Quiz Battle

  Instant quiz game on any topic, played on phones

  Beginner12h1–2

  Next.jsLLMRealtime DB

  15/20