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.
Akaunting - Free, open source and online accounting software for small businesses and freelancers
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Accrufy - Accrufy is a free, full accounting solution for small businesses.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
Free-Invoice.co.za - Free Invoice Software | Free online tool that helps small businesses to generate free invoices and manage their contact list. It can be used as an alternative to expensive invoicing software and online invoicing applications