HubSpot (Lead Scoring)

Commercial

Built-in scoring in Sales/Marketing Hub

Details
PricingPaid
Category: Lead Scoring / Routing
OSS Maturity:Weak
Build note: Mautic provides behavior-based lead scoring. For ML-based predictive scoring, build custom models with scikit-learn or XGBoost.
Gap:No purpose-built open-source lead routing engine comparable to LeanData or Chili Piper.