DraftSight
LibreCAD
SketchUp
FreeCAD
Autodesk AutoCAD
BricsCAD
nanoCAD
QCAD
ConstellationDev
CodeMap4AI
Sourcegraph
AI coding agents waste most of their context window grepping files and guessing at code structure. Constellation gives them a persistent, team-wide knowledge graph of your codebase (symbol search, dependency graphs, impact analysis) delivered via MCP so every token goes toward reasoning, not discovery.
DraftSight
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LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
CodeMap4AI - AI tools guess less when they see the full picture. CodeMap4AI builds a structured map of your codebase. Try it free.
SketchUp - 3D for Everyone
Sourcegraph - Sourcegraph is a free, self-hosted code search and intelligence server that helps developers find, review, understand, and debug code. Use it with any Git code host for teams from 1 to 10,000+.
FreeCAD - An open-source parametric 3D modeler
Autodesk AutoCAD - Autodesk AutoCAD is a commercial computer-aided design (CAD) and drafting software application.