Open-source Lead Capture tools

The best open-source Lead Capture tools, curated: 4 in the registry, including Ikiform, OpenFlow, OpnForm. Every tool is open-source; each entry lists license, self-hostability, and links.

4 tools · ← all categories · JSON

• Ikiform — tool, 2026-09-03
  OSS alt to Google Forms; ~354 stars; via openalternative.co
• OpenFlow — tool, 2026-09-03
  Only lead-capture-specific OSS; young; rest collapse into covered form/page builders
• OpnForm — tool, 2026-09-03
  OSS alt to Google Forms; ~3547 stars; via openalternative.co
• quizco — tool, 2026-09-03
  Only real OSS quiz builder; education-positioned not lead-gen