Open-source Prospecting Enrichment tools

The best open-source Prospecting Enrichment tools, curated: 6 in the registry, including AfterShip/email-verifier, DataForge, enthec/webappanalyzer. Every tool is open-source; each entry lists license, self-hostability, and links.

6 tools · ← all categories · JSON

• AfterShip/email-verifier — tool, 2026-09-03
  Most OSI-clean; Go lib; ~8mo slowing
• DataForge — tool, 2026-09-03
  Only OSS enrichment w/ open data (US gov registries)
• enthec/webappanalyzer — tool, 2026-09-03
  Technographic ruleset (post-Wappalyzer-closure)
• Inspector — tool, 2026-09-03
  Only real product in scoring cluster; PLG first-party signals
• OpenCheck — tool, 2026-09-03
  KYB tool over registry DATA; no contact emails
• URL Intelligence Agent — tool, 2026-08-31
  An evidence-first enrichment agent that turns a public URL into structured, sourced intelligence: entity resolution, contact/team extraction, tech-stack detection, brand assets, SEO/security signals, and relationship graphs — with confidence scores and provenance. Runs as CLI, HTTP API, MCP server, or self-hosted service.