
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
SolidWorks
FreeCAD
SketchUp
LibreCAD
Autodesk AutoCAD
OpenSCAD
BRL-CAD
Onshape
SourceForgeGitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
FreeCAD - An open-source parametric 3D modeler
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
SketchUp - 3D for Everyone
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.