I use a variant of the Pomodoro technique: instead of having strict breaks when the time is over, I just receive a sound notification at the end of the focus and the end of the breaks. Then, every 10 minutes, I get a new notification. It's a small mod but it changes a lot my perception of the technique. It creates a lot less frustration as I can finish the task I am working on without losing track of the time... - Source: Hacker News / 3 months ago

I did for rudimentary tasks and defaulted to 45mins focus / 15mins break time blocks. Recently jumped on the Flowmodoro train which has been helpful doing creative work (https://focusedwork.app has been great for this), since I can keep going until I really need a break and my breaks are a fraction of the time I spend focusing. But yeah Pomodoro is hard to use for anything that I need to focus on for a long period... - Source: Hacker News / 3 months ago

I'm working on a timer app, and is now up to ~$2k/mo! - https://focusedwork.app It's taught me a lot about the non-technical side of building a product. Very fulfilling from a personal growth perspective. - Source: Hacker News / over 1 year ago

I would suggest Focused Work if you're on a Mac - this is what I use and it will do everything you just described. https://focusedwork.app/. Source: over 1 year ago