
Oregano
Pspice
Solve Elec
PCBWeb
BlackBoard Circuit Designer
PCB Wizard
McCAD 3SPICE
MacSpice
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
Oregano
SourceForgePspice - OrCAD PSpice technology provides the best, high-performance circuit simulation to analyze and refine your circuits, components, and parameters before committing to layout and fabrication
GitHub - 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.
Solve Elec - Solve Elec is a free educational program to draw and analyze electrical circuits.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
PCBWeb - PCBWeb is a 100% free Windows desktop CAD application for designing and manufacturing electronics...
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.