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OSS Capital

OSS Capital

San Francisco, Californiaoss.capital

Overview

OSS Capital is an early-stage venture capital firm exclusively dedicated to backing leading COSS (commercial open source) startup founders on a global basis since 2018. The firm serves the software industry, particularly open source projects in areas such as ai/ml, devtools, api/middleware infra, data, and consumer and enterprise apps.

Year Founded

2018

Portfolio Companies

25

Investments

CompanyDateStageLead
CUE LabsOct 2025Early FundingLead
Tracel TechnologiesAug 2025SeedCo-investor
Comp AIJul 2025Pre SeedLead
ManifoldJul 2025Series ALead
Liquid AIDec 2024Series ACo-investor
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Key People

Joseph Jacks

Founder and General Partner

Heather Meeker

General Partner

Andrew Randall

Board Partner

Jim Walker

Portfolio Partner

Scott Williamson

Portfolio Partner, Product

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Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
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2025
2026

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Firmographic Details

HeadquartersSan Francisco, California
Year Founded2018

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