OneNote is a note-taking application with real-time sharing and collaboration features. It comes free within an Office 365 subscription.
Evernote is an app designed for note-taking, organizing, task management, and archiving. Monthly fees range from $0 to $14.99 per user.
Stripe is an online payment gateway that is equipped with developer-centric solutions. The fee per successful card charge is 2.9% + 30¢.
Greenhouse Software offers recruitment, applicant tracking, and CRM solutions among others. Pricing is customized.
Stripe Connect is a dedicated payment gateway for Stripe account holders. It starts at $2 per active account, per month + 0.25% + 25¢ per payout.
Asana is a project management software designed to help teams organize, track, and manage their work. It costs $0 to $30.49+ per user, per month.
Slack is a team communication and collaboration app that helps users streamline their workflows. Prices range from $0 to $15+/user/month.
Google Hangouts provides users with various communications channels such as text, voice or video chats. It is free to use.
Salesforce is an advanced CRM tool that helps businesses manage all aspects of their customer relationships. It costs $25-$300 per user per month.