PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
Zoho CRM - Omnichannel CRM for Businesses of all sizes
MySQL - The world's most popular open source database
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.
SQLite - SQLite Home Page
Nimble - Nimble is the only solution to offer small businesses the best features of high-end CRM systems combined with the power of social media.