First up is ClickDesk - A service for integrating chat into your website as well as other online engagement (phone, ticketing & social). With the ClickDesk chat you can view Capsule contact details and record chat transcripts straight into Capsule without leaving your chat.
Next is a service called Proposable. With Proposable you can create, deliver, and analyze your sales proposals. Easily connect it to your Capsule accont and send your proposals to your Capsule contacts. A note is also stored on the contact record in your Capsule account for each Capsule contact that a proposal is sent to. https://proposable.com
edocr is a service for uploading your documents such as brochures, case studies and press releases to share with prospects and generate new leads. edocr integrates with Capsule to track who read your documents on edocr for lead nurturing and conversion in Capsule. http://www.edocr.com/capsulecrm