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Arena
✓ verifiedFreemium
Engagement suite adding live chat, comments, polls and live blogs to publisher and brand sites to grow and monetize audiences.
145K visits/mo
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Numa
✓ verifiedPaid
AI operating system for car dealerships with voice AI, a smart inbox and agents that capture leads and lift service revenue.
207K visits/mo337 saves
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Ultralytics
✓ verifiedFreemium
End-to-end computer vision platform for teams annotating data, training YOLO models, and deploying them at scale.
1.1M visits/mo
Pricing
Free: $0/mo
Starter: $49/mo
Professional: $249/mo
Business: $999/mo
Free trial available
No public pricing
No public pricing
No public pricing
Free: $0/month (100GB storage, 100 models, 3 concurrent trainings)
Pro: $29/seat/month (500GB storage, 500 models, 10 concurrent trainings)
Core features
- ✦Threaded comments
- ✦Real-time group chat
- ✦Live blog streams
- ✦AI polls and moderation
- ✦First-party data capture
- ✦No-code website embed
- ✦Markdown to Notion publishing
- ✦Automatic subpage creation from directory structure
- ✦CLI flag support for title and emoji
- ✦Integration with Notion's AI, search, and formatting
- ✦Text and SMS chat
- ✦Appointment booking
- ✦Reminders
- ✦Digital payments
- ✦Video calls
- ✦AI-assisted communication (CoPilot)
- ✦Wellness and Loyalty Plans
- ✦PMS Integration
- ✦Voice AI with full customer context
- ✦AI-native Smart Inbox across channels
- ✦LiveCSI real-time satisfaction monitoring
- ✦Service Advisor Agent
- ✦Heat Case and Opportunity Agents
- ✦Mobile app
- ✦Smart data annotation with SAM-powered one-click masks across six task types
- ✦Cloud training with 22+ GPU configurations from RTX 2000 Ada to B200
- ✦Support for YOLOv5 through YOLO26 model families
- ✦One-click deployment across 43 global regions with auto-scaling
- ✦Export to 18 formats including ONNX, TensorRT, and CoreML
- ✦Live training metrics and experiment comparison dashboard
Use cases
- →Live event coverage
- →Growing on-site community
- →Monetizing audience with ads
- →Capturing first-party data
- →Publishing documentation to a Notion workspace
- →Creating a public website from markdown documentation
- →Maintaining documentation alongside code in a repository
- →Streamlining communication between veterinary clinics and pet owners
- →Managing appointment requests and bookings
- →Processing digital payments for veterinary services
- →Sending reminders for medication and appointments
- →Boosting wellness plan subscriptions
- →Reducing missed calls at veterinary clinics
- →Answering dealership calls and messages
- →Rescuing and booking service leads
- →Resolving customer complaints (heat cases)
- →Boosting service-advisor productivity
- →Building and training custom object detection or segmentation models
- →Labeling large image/video datasets for computer vision projects
- →Deploying vision models to edge or mobile devices
- →Running quality control or defect detection in manufacturing
- →Powering retail, logistics, or agriculture vision applications
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