Im currently hosting this bot here on programming.dev and have it set to federate with everything programming.dev does so you dont need to self host

To trigger the bot just tag @RemindMe@programming.dev at the start of your comment and then put the amount of time you want to be reminded in

• Supports everything from seconds to years up to a maximum of 10 years
• Supports other activitypub platforms as long as they can make a message in lemmy (ex. mastodon)

If you have any improvements or suggestions feel free to make an issue/pull request in the repo

Edit: Now works based on keywords so you can summon it with !remindme instead of a full ping

Edit 2: Kbin seems to break it if your comment doesnt have language set to english. Not something I can fix, kbin is going to have to

Edit 3: Ive fixed the kbin bug for all communities in the instance. No promises if it doesnt respond in a non programming.dev instance though as their language settings may be different and block replies to your comments