PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.

Forms On Fire - Forms On Fire provides a complete, customizable mobile forms and workflow system that is reliable and secure, works offline or online.

Zoho CRM - Omnichannel CRM for Businesses of all sizes

Camunda - The Universal Process Orchestrator

Copper - Copper (formerly ProsperWorks) is easy-to-use customer relationship management for small businesses. Capture contacts and sales leads direct from Gmail with our simple CRM.