Onesheet CRM - The Simple CRM for Google Sheets
My Daily Planner - Organize your day with pen & paper. Free printable template.
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.
Amazing Marvin - Customizable personal productivity tool
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.
FocusList - Daily planner & focus timer based on timeboxing and pomodoro