OSS Capital

Venture Capital
50open roles in its portfolio
21investments
1exit
1-10people

Overview

OSS Capital is an early-stage venture capital firm dedicated exclusively to commercial open source software startups. It backs founders building companies around open source projects worldwide, from pre-seed through early rounds, across developer tools, infrastructure, data and AI. The firm was founded in 2018 by Joseph Jacks, who previously organized the KubeCon conference and helped build the Kubernetes ecosystem.

Key facts

These are the key facts about OSS Capital on Alion as of Nov 13, 2026. OSS Capital is headquartered in San Francisco, United States. It was founded in 2018.

Headquarters
San Francisco, United StatesAlion company profile, updated Sep 17, 2026
Founded
2018Alion company profile, updated Sep 17, 2026
Employees
1-10Alion company profile, an estimated range

Investor profile

Venture capital
Investments
21
19 of them startups
Hiring now
5
50 open roles
Exits
1
Focusshare of its companies
Software 63%Artificial Intelligence 19%Cybersecurity 13%Data & Analytics 6%Financial Services 6%Gaming 6%Information Technology 6%
Where its companies are
United States 38%Germany 5%United Kingdom 5%
Stage of its companies
Pre-seed & seed 71%Series A 14%Series B 14%
Its companies, the freshest money firstAll 21 investments
Liquid AIVenture round $31.9M · 2 yr ago · 26 roles ExtropicSeed $14.1M · 2 yr ago · 10 roles PlaneSeed $4M · 2 yr ago DocumensoVenture round $1.5M · 3 yr ago Cal.comSeries A $25M · 4 yr ago · 1 role NocoDBSeed $10.5M · 4 yr ago UmbrelSeed $3M · 5 yr ago · 11 roles Wasmer2 roles AppFlowy Tracel OpenBB Bittensor
50 open roles at 5 of its companies
Hiring fastestroles opened in 30 days
Liquid AI8 new roles in 30 days
Co-investorscompanies they hold together
Untapped 2 shared Collab+Currency 2 shared
Similar investorstheir companies share markets and countries
Insight Partners Kleiner Perkins Renegade Partners Battery Ventures Coatue Amplify Partners Menlo Ventures Contour Venture Partners
Sources: its portfolio page, read Nov 3

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
San Francisco United States
HQ
1-10 est. staff

How to cite this page

Alion, "OSS Capital: key facts", as of Nov 13, 2026. https://alion.io/company/oss-capital

These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0