The best reminders are the ones that you don't have to go too far out of your way to set. To that end, ReminderBaba makes it dead simple to remind "future you" to do something. Simply add one of the service's many custom email addresses and automatically get a reminder later.
Tagged With reminders
Checkmark is our favourite location-based reminders app for the iPhone. Today it's getting a big update in the form of a brand-new version.
If you can't remember to pay your credit card bill every month, Redittor SolidDexter has a solution: write the due date on the card itself.
Android: Android has plenty of great to-do apps, but Shifu might just be the smartest one I have seen yet. The app lets you set reminders and tasks based on people, time, location and network, giving context to your to-do list.
Android: EasilyDo, the proactive personal assistant, launched for iOS a few months ago. Now the app is available for Android, and features the same proactive reminders and tools, from reminding you to make dinner reservations to suggesting you get flowers on the way home for your anniversary.
Chaos reigns on web-based services if you let domain names, SSL certificates or other key infrastructure expire. certalert.me is a service that warns you if a company-owned domain or SSL certificate is about to reach its due date.