Payable - Easily manage and pay your contractors
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.
Kanda - Affirm for general contractors
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
ContractorPlus - Everything home service contractors need in one app.
Codekeeper - Source code escrow for developers