K-9 Mail Alternatives [Page 11]

Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.

Soverin is the honest email service that doesn’t sell your data.

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Try for free paid Free Trial $4.99 / Monthly (User)

A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.

Open Source

Remember The Milk is a task and time management application for mobile devices.

Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.

Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

MailChimp is the best way to design, send, and share email newsletters.

Organize your life — it’s about time!

Open-source video calling and chat platform.

Manage Customer Support, Sales and Projects right from your Gmail inbox. Collaborate with Shared Labels, Shared Contacts, email notes, email reminders and email templates

Web components that do amazing things w/ the web speech api

Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols.