The Ultimate Productivity Stack - Curated directory of tools to supercharge your productivity
FocusList - Daily planner & focus timer based on timeboxing and pomodoro
Productivity Planner - This package contains a selection of 10 templates that have helped me increase my productivity over the past 5 years.
Pomotodo - Todo-list based on Pomodoro technique.
Command Line Productivity - A Pomodoro meets GTD productivity pack for Alfred
Aika - A simple alternative to Google Calendar for timeblocking/timeboxing.