3Square
2 known investors
3Square builds a "Decision OS" that automatically captures engineering decisions—the rationale, trade-offs, and alternatives—within existing developer workflows, creating an organisational memory that supplies context to human and AI decision makers. It integrates into IDEs and coding agents to surface and guide decisions for hybrid human-AI engineering teams and their leaders.
AI & Machine LearningDeveloper ToolsEnterprise Software
Founders & leadership
JC

Jono Caseley
AL
Andy Lockey
Investors · 2
Frequently asked questions
- What does 3Square do?
- 3Square builds a "Decision OS" that automatically captures engineering decisions—the rationale, trade-offs, and alternatives—within existing developer workflows, creating an organisational memory that supplies context to human and AI decision makers. It integrates into IDEs and coding agents to surface and guide decisions for hybrid human-AI engineering teams and their leaders.
- Who founded 3Square?
- 3Square was founded by Jono Caseley, Andy Lockey.
- Who are 3Square's investors?
- 3Square's investors include Antler, Antler Australia.
