
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
PCBWeb
Pspice
Oregano
Solve Elec
BlackBoard Circuit Designer
PCB Wizard
McCAD 3SPICE
Circuit Simulator
SourceForge
PCBWebGitHub - 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.
Pspice - 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
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Oregano - oregano - An electrical engineering tool for GNOME
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
Solve Elec - Solve Elec is a free educational program to draw and analyze electrical circuits.