- Native notes tasks and calendar for iOS/OSX, I can sync it with work's exchange / iCloud / gmail and it works with "Siri - remind my to do x on y time" tried other dedicated apps, but this just makes everything simpler.
- Pomodoro app on my phone, this is simply amazing, best way to get work done
- http://musicforprogramming.net/
- Google sheets and Mint for budgeting etc.
I tried other apps and tools (RescueTime was nice but I can't use it at work or on iOS)
Didn't try IFTTT or similar tools but never found the need.