Spline
YC W21Reston, US · Founded 2020 · Delaware corporation · 25 employees · 9 known investors
Spline is a web-based collaborative design platform for creating and shipping production-ready interactive 2D and 3D experiences to web, iOS, and Android. It serves design teams and enterprises seeking to build interactive digital products with real-time collaboration capabilities.
Founders & leadership· Y Combinator alumni (W21)
Spline was founded in 2020 by Alejandro Leon.

Board
Investors · 9
Funding
SEC filings, press & company announcements$31M disclosed across 2 rounds · 2023–2024
- $15Mseed roundJul 2023 · 2 sources
Gradient Ventures (lead), Backend Capital, Chapter One, First Round Capital, NXTP, Y Combinator
Source ↗
▶$16MraisedJul 2024 · 23 investors · Other TechnologyRule 506(b)
- Alejandro Delfin Perez LeonExecutive Officer, Director, Promoter
- Caroline HuskeyDirector
- Daniel MoskowitzDirector
- Darian ShiraziDirector
- Offering amount
- $16M
- Amount sold
- $16M
- First sale
- Jun 2024
- Incorporated
- Corporation, Delaware, 2020
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 9
by search overlapCompanies competing with Spline for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Spline do?
- Spline is a web-based collaborative design platform for creating and shipping production-ready interactive 2D and 3D experiences to web, iOS, and Android. It serves design teams and enterprises seeking to build interactive digital products with real-time collaboration capabilities.
- Who founded Spline?
- Spline was founded by Alejandro Leon in 2020.
- Who are Spline's investors?
- Spline's investors include Chapter One, Firestreak Ventures, Gradient Ventures, Leonis Capital, NXTP, Third Point Ventures, Y Combinator, Backend Capital and 1 more.
- How much funding has Spline raised?
- Spline has disclosed $31M raised across 2 rounds.
- Where is Spline headquartered?
- Spline is headquartered in Reston, US.







