Botletter is a similar service as Mailchimp, but instead of using emails we use Facebook Messenger.

From proposal to payment, AND.CO takes the headache out of freelancing, so you can get back to the work that drives you. Invoicing, Time Tracking, Payments, and More For Freelancers and Independent Contractors

Videohead is an online tool for creating videos easily, even without prior video editing experience. It's perfect for content marketers and content creators, highly useful for promoting your projects, products, or websites of any kind of business.