Based on our record, InstAddr seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I'd recommend https://m.kuku.lu/ for e-mails. You can choose your own username, password and also use 2FA and don't need to enter any additional information. I also use it for school mail. Source: about 1 year ago
You can get a .jp address at https://m.kuku.lu/. Source: over 2 years ago
InstAddr for temp email without losing the email account. You choose when to delete it. Source: almost 3 years ago
Future Me - Send an email to your future self
Mailo - Mailo is an email client where you can send and receive emails to and from anyone with an email address.
Dabble Me - Your own private place to write. A journal/diary to help you remember what's happened in your life.
Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.
Letter to my future self - Letter to my future self is a prominent email scheduling service that gives you the opportunity to create a letter with goals and thoughts for your future self and schedule a date for sending it.
HEY - Email at its best, new from Basecamp.