Create, edit, and share spreadsheets wherever you are with Google Sheets, and get automated insights from your data.

One of the most popular email services, Gmail keeps track of all your emails with threaded conversations, tags, and Google-powered search to find any message you need.

Slack is a platform for team communication: everything in one place, instantly searchable, available wherever you go. Offering instant messaging, document sharing and knowledge search for modern teams.

Google Calendar lets you organize your schedule and share events with co-workers and friends. With Google's free online calendar, it's easy to keep track of your daily schedule.

Data isn't always in the format you need. Perhaps a date is in International format, but your app needs it in American format. Or maybe you need to Title Case a subject, truncate text for a Tweet, or turn Markdown text into HTML for your blog. Zapier's Formatter tool can help.

Share your ideas with Mailchimp email newsletters—then use its landing page and form builders to grow your lists and take marketing further with drip and transactional emails.

Twitter is the social network that shows what's happening around the world in real time. Share your ideas in Tweets, follow hashtags to keep up with trends, and join in the global conversation.

Trello is a team collaboration tool that lets you organize anything and everything to keep your projects on task.

Google Drive is Google's file sync app that lets you store all of your files online alongside your Google Docs documents, and keep them synced with all of your devices.

HubSpot is your all-in-one stop for all of your marketing software needs.