21st
21st is a Enterprise Software AI company on Brel, based in United States, founded in 2026. Verified focus: Infrastructure and UI building blocks for the agentic internet.
AI in Enterprise Software · United States
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21st vs 3D Continuum
21st and 3D Continuum are both classified in the Enterprise Software sector on Brel. 21st is based in United States; 3D Continuum is based in Americas. 21st focuses on infrastructure and UI building blocks for the agentic internet.
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3D Continuum
3D Continuum is a Enterprise Software AI company on Brel, based in Americas, founded in 2023.
AI in Enterprise Software · Americas
Compare intelligence across Sector Capabilities Industries served
Key differences
Sector
Same — Enterprise Software
Country
21st
United States
3D Continuum
Americas
Founded
21st
2026
3D Continuum
2023
Stage
21st
Early
3D Continuum
Techstars Boulder Accelerator
Status
Same — Active
Product summary
21st
Infrastructure and UI building blocks for the agentic internet
3D Continuum
3D Continuum Platform
Capabilities
21st
Infrastructure and UI building blocks for the agentic internet
3D Continuum
3D Continuum is a software technology startup leveraging data to drive operational efficiency in the heavy industry.
Industries served
Same — AI in Enterprise Software
Verification
Same — verified
Where they overlap
Sectors
- Enterprise Software
Industries
- AI in Enterprise Software
Where they differ
Dimension
21st
3D Continuum
Capabilities
Infrastructure and UI building blocks for the agentic internet
3D Continuum is a software technology startup leveraging data to drive operational efficiency in the heavy industry.
Overview
Attribute
21st
3D Continuum
Sector
Enterprise Software
Enterprise Software
Country
United States
Americas
Founded
2026
2023
Stage
Early
Techstars Boulder Accelerator
Status
Active
Active
Capabilities
Attribute
21st
3D Continuum
Capabilities
Infrastructure and UI building blocks for the agentic internet
3D Continuum is a software technology startup leveraging data to drive operational efficiency in the heavy industry.
Product summary
Infrastructure and UI building blocks for the agentic internet
3D Continuum Platform
Industries & use cases
Attribute
21st
3D Continuum
Industries served
AI in Enterprise Software
AI in Enterprise Software
Developer
Attribute
21st
3D Continuum
Company
Attribute
21st
3D Continuum
Linked products
21st
3D Continuum
Trust
Attribute
21st
3D Continuum
Verification
verified
verified
Last reviewed
Aug 2026
Aug 2026
Sources & verification
21st
- Verification
- verified
- Last reviewed
- Aug 2026
- Profile
- Open profile
3D Continuum
- Verification
- verified
- Last reviewed
- Aug 2026
- Profile
- Open profile