Joseph Jacks - Angel Investor Profile

Location: San Francisco, CA

Founder of OSS Capital. The first and only VC fund dedicated 100% to open-source software companies.

Investment Focus & Industries

  • open-source
  • developer-tools
  • infrastructure
JJ

Joseph Jacks

Verified: Jun 2026 (SMTP Validated)🚀 High-Velocity Angel
San Francisco, CA
𝕏 Twitter/Xin LinkedIn
Check Size Range

Flexible Check Size

Preferred Stages
Pre-seed & Seed

Background & Investment Thesis

Founder of OSS Capital. The first and only VC fund dedicated 100% to open-source software companies.

Focus Industries

open-sourcedeveloper-toolsinfrastructure
AI Outreach Insight94% Match Score

Active investor in open-source, developer-tools, infrastructure. Highly responsive to concise pitches with clear traction metrics.