ONLYOFFICE
ONLYOFFICE Desktop Editors is an open-source office suite that combines text, spreadsheet and presentation editors, distributed under AGPL license v3.
Group-Office is an enterprise CRM and groupware tool. Share projects, calendars, files and e-mail online with co-workers and clients. Easy to use and fully customizable.
Open source free community version features : Email, Calendar, File sharing, Address book, Tasks, Notes, Newsletters.PHP based.
Very simple to install and update in Debian 8.x
Productivity Online Services File Sharing
file-sharing webmail-service calendar online-editing
ONLYOFFICE Desktop Editors is an open-source office suite that combines text, spreadsheet and presentation editors, distributed under AGPL license v3.
Free Open Source Mac OS X Windows Linux Web Self-Hosted
Zero BS CRM is a customer relationship manager built on WordPress. It lets you manage clients, invoices, customers, quotes, companies and ecommerce transactions (hooked into WooCommerce, PayPal).
Free Mac OS X Windows Linux Web Self-Hosted PayPal Wordpress WooCommerce
EspoCRM is an Open Source CRM (Customer Relationship Management) software that allows you to see, enter and evaluate all your company relationships regardless of the type. People, companies, projects or opportunities.
Free Open Source Mac OS X Windows Linux Self-Hosted PHP JavaScript
Vtiger CRM is award-winning software used by small and medium sized businesses to grow sales, improve marketing ROI, and deliver great customer service. .
Commercial Mac OS X Windows Linux Android iPhone Android Tablet iPad Self-Hosted
Web-based CRM for sales, service, marketing, and call center operations that allows users to manage customer relationships and customer satisfaction.
Commercial Web
The most modern productivity & collaboration seamlessly integrated with CRM, easily customizable to organization requirements, whose main business activity is professional services or project management.
Commercial Mac OS X Windows Linux Android Tablet Web Windows RT
CRM, inside Gmail. Run your entire business from your Inbox Simple Collaboration Collaborate with a single click. Share contacts, email, files, and anything else needed to get the job done.
Freemium iPhone Web Gmail
BuzzFlow is an online web CRM that tightly integrates with G-suite. It's also available inside Gmail inbox. It is unique in tagging live email conversations to deals.
Commercial Android iPhone iPad Web Chrome
An online CRM that is easy to use, fast and mobile. Zimplu CRM is the perfect tool for Sales Teams and Small Business Owners within companies. Just a simple thing that helps you do your job and sell more.
Commercial Web