Ossus
YC W26San Francisco, US · Founded 2026 · 3 employees · 2 known investors
Find your way into Ossus
74 people in our graph share verified history with the Ossus team — schools, employers, funds. One of them is your warm intro.
Rasmus Areskougunlockedknows Kaan Sirin · together at The Faculty of Engineering at Lund University
×10knows the team · via The Faculty of Engineering at Lund University
knows the team · via Sectra
Ossus builds software for managing library operations, including cataloging, circulation, and inventory management, with AI-assisted features that automate routine administrative tasks while preserving librarian judgment. The platform serves public libraries and school libraries as a complete system or as add-on agents to existing infrastructure.
Also known as Librar · Librar Labs
AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaSCultureAIUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (W26)
Ossus was founded in 2026 by Jonathan Görtz, Carl-Hugo Jacobsson, and Kaan Sirin.
JG
Jonathan Görtzin𝕏Founder & ceo2025–2026Jonathan Görtz is founder and CEO of Ossus, a software platform that manages library operations including cataloging, circulation, and inventory management.
CJ
Carl-Hugo JacobssoninCo-founder · Head of Operations
KS
Kaan SirininCo-founderKaan Sirin is founder of Ossus, which builds software for managing library operations including cataloging, circulation, and inventory management.
Investors · 2
Funding
SEC filings, press & company announcements- Undisclosed amountpre-Series A roundApr 2023Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does Ossus do?
- Ossus builds software for managing library operations, including cataloging, circulation, and inventory management, with AI-assisted features that automate routine administrative tasks while preserving librarian judgment. The platform serves public libraries and school libraries as a complete system or as add-on agents to existing infrastructure.
- Who founded Ossus?
- Ossus was founded by Jonathan Görtz, Carl-Hugo Jacobsson, Kaan Sirin in 2026.
- Who are Ossus's investors?
- Ossus's investors include Y Combinator, Rainmatter.
- Where is Ossus headquartered?
- Ossus is headquartered in San Francisco, US.