1. Google Drive
Google drive is a cloud storage service offered by google. You can use it to store files online and share them easily across devices. If you have a gmail account, you already have access to the drive app.
Dropbox is a file sharing application that lets you save files online and access them from any device. It’s free to sign up, and they offer 2gb of space for free.
Evernote is a note taking app that makes it easy to capture ideas anywhere. You can create notebooks to organize notes, and add tags to help search for specific topics.
Trello is a project management tool that helps teams collaborate effectively. Trello offers boards to keep projects organized, and lists to keep tasks organized.
Slack is a messaging app that works well for businesses. It offers channels to communicate with different groups, and bots to automate repetitive tasks.
Salesforce is a CRM (customer relationship management) platform that helps companies manage their sales pipeline. Salesforce offers apps for mobile phones, tablets, and desktop computers.
Mailchimp is a marketing automation platform that helps businesses send emails to customers. It offers templates to get started, and analytics tools to track how effective your campaigns are.