ContractorPlus - Everything home service contractors need in one app.

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.

Payable - Easily manage and pay your contractors

GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab

Bold - Ultra-fast anonymous publishing platform.

BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.