BiblioteQ
TinyCat
FOLIO
Evergreen ILS
DSpace
Greenstone Digital Library
Invenio
Omeka
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
BiblioteQ
SourceForgeTinyCat - The online catalog and integrated library system for tiny libraries, powered by LibraryThing.
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.
FOLIO - Simple version control app for designers based on Git
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Evergreen ILS - Evergreen - Open Source Library Software
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.