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Appsmith vs Kaspr: 2026 Comparison

Appsmith Kaspr
Overview An open-source low-code platform for building internal tools with a visual builder and extensive data source connectors. Kaspr is a prospecting tool that provides B2B contact data including phone numbers and email addresses directly from LinkedIn. It offers a Chrome extension and dashboard for lead management and enrichment.
Pricing Freemium (Free-$40/user/month) Freemium ($0-79/user/mo)
Key Features
  • Open source
  • Visual builder
  • Data source connectors
  • JavaScript widgets
  • Git sync
  • RBAC
  • Audit logs
  • Custom widgets
  • LinkedIn data extraction
  • phone numbers
  • email finder
  • Chrome extension
  • enrichment
  • workflow automation
  • CRM integration
Pros
  • Open source
  • Self-hosted option
  • Good community
  • Many connectors
  • Good European data
  • Easy to use
  • Affordable
  • Real-time data retrieval
Cons
  • UI can be janky
  • Learning curve
  • Community support varies
  • Fewer pre-built components
  • Smaller US database
  • Limited features beyond data
  • Newer platform