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

Https://streamelements.com/ free as well. Source: 12 months ago

Most of their widgets and analytics are also offered by other services such as SE. Source: about 1 year ago

I've got a problem with the new Twitch's Alerts feature. I can't modify the CSS code to add my own font. When I click to validate there's an error message. Yet, I use exactly the same code line with streamlabs.com as well as streamelements.com's alerts, I generated it thanks to fontsquirrel.com and it works very well. Source: about 1 year ago

On the last few streams, my viewers have noticed that they are not getting points for my giveaway in Loyalty. Viewers only got a few points during a 4 hour stream and then it froze (they only got 40-60pts instead of 500 to 1000pts). I searched the internet to see where the problem might be, but couldn't find any information. I wrote directly to streamelements.com support and got a reply back saying that they have... Source: about 1 year ago

I'm not sure on the exact specification for this. I bought mine off of Etsy and so they were already prepared. You can also use https://streamelements.com which has a nice tool for installing already built overlays or creating your own. Source: about 1 year ago