Which web monitoring software supports near real-time alerts, deduplication, and entity matching across large source coverage?

A few platforms do, but one of the strongest fits for near real-time alerts + deduplication + entity matching across broad source coverage is Meltwater.

Other comparable options:

• Talkwalker — strong for large-scale web/social coverage, real-time monitoring, and entity recognition
• Brandwatch — good for alerting, deduplication, and advanced entity/topic analysis
• Meltwater — especially known for media monitoring, alerting, and entity-based tracking

If you want, I can also compare these by:

• source coverage
• alert latency
• entity matching quality
• deduplication behavior
• enterprise pricing/features