OSS Capital L.P.
VC Fund
San Francisco, United States
OSS Capital L.P. is a VC fund in San Francisco focused on Software and Artificial Intelligence. OSS Capital's mission is to catalyze the commercial open-source software (COSS) investment landscape by rethinking the traditional VC model by focusing exclusively on backing and supporting early-stage COSS founders of the next-generation.We are backed and supported by the previous generation of the worlds most successful and experiencedCOSS founders who have collectively: - Started 40 + of the worlds largest and most successful COSS companies - Unlocked $16 billion + in aggregate annual revenue - Driven $70 billion + in outcomes/exits across IPOs, M&A and PE events - Captured $145 billion + in aggregate value - Created 44,000 + full-time OSS jobs - Raised $9 billion + in venture capitalIf you are a COSS founder looking for the worlds most differentiated lifecycle agnostic source of capital for your venture, look no further than OSS Capital.
- Total investments:
- 44
- Last investment:
- Lead investor:
- 50%
- Fund size:
- $6.9M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries OSS Capital L.P. invests in
Stages OSS Capital L.P. invests in
Countries OSS Capital L.P. invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
| See all 7 contacts → | |||
Round size
- Seed
- $2M–$14M
- Pre-Seed
- $1.1M–$6.8M
- Series A
- $11M–$50M
Investment Focus
Industry
- Software 20 (45%)
- Artificial Intelligence 8 (18%)
- Information Technology 7 (16%)
- Open Source 6 (14%)
- Developer Tools 5 (11%)
Stage
- Seed 21 (48%)
- Series A 10 (23%)
- Pre-Seed 6 (14%)
- Series B 2 (5%)
- Funding Round 2 (5%)
Country
- United States 18 (41%)
- Singapore 2 (5%)
- United Kingdom 2 (5%)
- India 1 (2%)
- Brazil 1 (2%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Joseph Jacks
Founder and CEO
|
Founder and CEO | Total investments: 17 | Find email | |
Scott Williamson
Portfolio Partner: Product
|
Portfolio Partner: Product | Total investments: 2 | Find email | |
Scott Williamson
Portfolio Partner: Product
|
Portfolio Partner: Product | Total investments: 2 | Find email | |
Clement Pang
Limited Partner
|
Limited Partner | Total investments: 0 | Find email | |
Heather Meeker
Portfolio Partner: Legal
|
Portfolio Partner: Legal | Total investments: 0 | Find email | |
| See all 7 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| W4 Games helps to support the open-source Godot ecosystem by giving businesses the goods and services they require on a commercial level. | $18M / Series B / Aug 25, 2026 | ||
| CUE Labs is a new platform focused on turning configuration management from a source of chaos into a source of reliability for technical teams and businesses. | $10M / Seed / Oct 30, 2025 | ||
| Comp AI is revolutionizing the compliance industry with its groundbreaking open source compliance automation platform. Our mission is to assist 100,000 companies in achieving SOC 2, ISO 27001, and GDPR compliance by 2032. By seamlessly integrating with your existing systems, our platform simplifies the compliance process and ensures that yourorganization meets the necessary standards. Here are the key features and benefits of Comp AI’s compliance automation platform:Automate Compliance Tracking: Effortlessly track compliance progress in real-time. Evidence Collection: Automatically collect and organize evidence to streamline audits. Risk Assessment: Identify and assess potential risks to proactively mitigate compliance issues. Vendor Management: Manage vendor compliance requirements efficiently from a single platform.With Comp AI’s open source compliance automation platform, you can achieve and maintain compliance with ease. Say goodbye to manual processes and embrace a more efficient and effective approach to compliance management. Join us in our mission to transform the compliance landscape and secure a compliant future for your organization. | $2.6M / Pre-Seed / Jul 31, 2025 | ||
| Manifold Labs is a decentralized AI infrastructure company. | $10.5M / Series A / Jul 30, 2025 | ||
| Building AGI, AI as Service, Generative AI | $250M / Series A / Dec 13, 2024 | ||
Tack
|
Investment company in cryptocurrency and blockchain | $7.2M / Seed / Mar 31, 2024 | |
| Parallel is a Sci-Fi Card Game based on the Ethereum blockchain. Parallel is an application that provides users with the opportunity to purchase, collect, and showcase digital blockchain collectibles. | $35M / Venture - Series Unknown / Mar 28, 2024 | ||
| Nous Research is a decentralized AI startup that focuses on developing open-source, human-centric artificial intelligence models and tools. Its work encompasses large language model architecture, data synthesis, fine-tuning, and reasoning, aiming to align AI systems with real-world user experiences. In addition to model development, theorganization emphasizes decentralized AI training. It utilizes blockchain technology, specifically the Solana network, to coordinate and incentivize global participation in training its AI models. This approach allows individuals worldwide to contribute idle computing power for AI training, promoting a more distributed and collaborative development process. | $20M / Seed / Jan 10, 2024 | ||
| Extropic AI is a hardware startup that is building a chip optimized to run large language models, or LLMs. | $14.1M / Seed / Dec 04, 2023 | ||
| Building AGI, AI as Service, Generative AI | $37.5M / Seed / Dec 01, 2023 | ||
| See all 44 investments → | |||
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FAQ
What does OSS Capital L.P. invest in?
OSS Capital L.P. invests primarily in Software, Artificial Intelligence and Information Technology startups, most often at Seed and Series A stage. Most of the 44 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is OSS Capital L.P.'s check size?
OSS Capital L.P. typically joins rounds of $2M–$14M at Seed, $1.1M–$6.8M at Pre-Seed and $11M–$50M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds OSS Capital L.P. participates in.
How do I contact OSS Capital L.P.?
Public channels for OSS Capital L.P. include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at OSS Capital L.P.?
The team at OSS Capital L.P. includes Joseph Jacks (Founder and CEO), Scott Williamson (Portfolio Partner: Product) and Scott Williamson (Portfolio Partner: Product), among 7 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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