gtfs-rt topic
public-transit-tools
Tools for working with GTFS public transit data in ArcGIS
motis
Intermodal Mobility Information System
bustime
Web and API for public transport real-time monitoring and visualization.
theweekendest
Real-time New York City subway service map
transitland-atlas
an open directory of mobility feeds and operators — powers both Transitland v1 and v2
goodservice
Website that detects headway discrepancy on New York City Subway system using live countdown clocks
gtfs-rt-inspector
Web app to inspect & analyze any GTFS Realtime feed.
retro-gtfs
Collect real-time transit data and process it into a retroactive GTFS 'schedule' which can be used for routing/analysis
goodservice-v2
New York City Subway Status Page driven by real-time feeds