The best alternatives to UpHabit are FollowUp, Dex, and The Happy Home Company. If these 3 options don't work for you, we've listed a few more alternatives below.
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Agree.com— Free e-signature for everyone with invoicing and payments!
Dex is a personal CRM that reminds anyone to keep in touch with people they would otherwise forget. Dex integrates with your calendar and social networking sites to send you actionable suggestions with no work required. Make staying in touch easy.
Notion Personal CRM template is the perfect solution to keep your contacts organized and your networking productive. With this template, you'll be able to store, organize, and track your contacts and conversations in one place.
I coded the first version of Keep My Friends after getting one too many "I haven't heard from you in months" messages from my friends. Everyone is busy (including me), but I found it very easy with the app reminding me to keep in touch with important people in my life and maintaining Streaks of unbroken contact in the app.
Add private notes and labels in profiles, or copy them in from public info. Search through your notes, e.g. for all friends connected to a place. Sync and back up across multiple devices. Finally, a contact manager for Facebook. Download free for Chrome!