
Postalytics
Lob
AmazingMail
PostGrid
Growmail Automated Direct Mail
GhostMail
If No Reply
PoliteMail
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
Postalytics
SourceForgeLob - A simple API to integrate print & mail solutions into your applications.
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.
AmazingMail - Business print-mail solution
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
PostGrid - Transform your Offline Communications. Use our fully-documented REST API to send personalized letters, checks, postcards and improve address accuracy.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.