Based on our record, Mailspring seems to be a lot more popular than Followup.cc. While we know about 25 links to Mailspring, we've tracked only 1 mention of Followup.cc. 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'll update this if I find more. For now, this seems to be a partial solution. It's a Gmail add on (except I don't use Gmail) that adds reminders. The options when setting reminders include cancelling it if someone replies, and to remind everyone in the thread. If you combine those two, it seems like — if you use Gmail's web client and have $23/month you're dying to get rid of — a decent way to add the feature. Source: over 1 year ago
I love Mailspring, it's modern and open source: https://getmailspring.com/ The UI uses Electron, but the actual sync engine is in C++, so it's pretty fast. - Source: Hacker News / over 1 year ago
The only app I’m aware of which translates emails is this; https://getmailspring.com. Source: over 1 year ago
Mailspring is quite nice. It also has a paid version and is actively updated so I think it's likely to stick around for awhile. Source: over 1 year ago
Mailspring, which is open source, is currently my recommendation for a desktop email client. Source: over 1 year ago
Mailspring. Open-source and fully local, but an optional account and optional subscription for premium cloud-based features. Thunderbird was too cluttered and Geary, although I really wanted to like it, was just too minimal. Source: over 1 year ago
FollowUpThen - The simplest way to schedule an email reminder
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
Gmelius - Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Boomerang for Gmail - Boomerang for Gmail is a Firefox / Chrome plugin that lets you take control of when you send and receive email messages.
eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.