Onesheet CRM - The Simple CRM for Google Sheets
HubSpot for Startups - Get up to 90% off HubSpot sales and marketing software.
Followup.cc - FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.
ProductPlan - Cloud-based product roadmap software solution
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.
Semaphore - Semaphore is a fully managed, high performance testing and deployment solution for your company. A Continuous Integration tool.