SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
Mailbird
Thunderbird
eM Client
Microsoft Outlook
Postbox
Apple Mail
Airmail
Spark Mail
SourceForge
MailbirdMailbird is recommended for users who need to manage multiple email accounts, value a customizable and intuitive interface, and wish to integrate their email with other productivity tools. It is particularly suitable for small to medium-sized businesses, freelancers, and individuals looking for a streamlined email management solution.
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.
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
Microsoft Outlook - Organize your world. Outlookโs email and calendar tools help you communicate, stay on top of what matters, and get things done.