Spike is described as 'Transform your inbox into a collaborative workspace with integrated chat-like emails, cross-platform compatibility, and robust task management features' and is a Email Client in the office & productivity category. There are more than 50 alternatives to Spike for a variety of platforms, including iPhone, Windows, Android, Mac and Web-based apps. The best Spike alternative is Microsoft Outlook. It's not free, so if you're looking for a free alternative, you could try Zulip or Spark Mail. Other great apps like Spike are eM Client, Apple Mail, mailbox and Mailspring.
Streamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications, and tools for improved productivity and a modern interface.
Streamline emails, calendars, contacts, and task management with a smart inbox prioritizing critical messages. Includes calendar scheduling, third-party app integration like Facebook, Dropbox, and Trello, and support for Microsoft Exchange, Outlook.com, and Gmail, ensuring efficient task and email handling.
It has no chat-styled interface
Microsoft Outlook is the most popular Web-based, Windows, Android & Mac alternative to Spike.
Microsoft Outlook is the most popular commercial alternative to Spike.
Zulip is the only modern team chat app that is designed for both live and asynchronous conversations. Zulip topics create a separate space for each discussion, so different conversations will never get in each other's way.
Different to normal mail, but certainly not bubbled and chat-styled like Spike. DeltaChat is the best alternative
Zulip is the most popular Linux & Self-Hosted alternative to Spike.
Zulip is the most popular Open Source & free alternative to Spike.
E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more.
eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat.
eM Client is an excellent traditional email client. I use it to stay on top of my emails. It doesn't have a "chat" interface like DeltaChat, Spike, Unibox, or Mailspring, but it's interface is very good.
Access, view and manage messages from all your email accounts in one place. Categorize your messages into easy to browse categories. Catch up on email easily with Apple Intelligence powered Priority Messages and summarizations.
E-mail inbox, online office, cloud storage, and video conferencing. Business or personal plans. From 1 € /month (1.10 USD).
Boost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro version adds read receipts, send later, reminders and more.
Mailspring has (arguably) an interface that looks enough like a "chat" client that it could work for you, if you're not satisfied with DeltaChat, Spike or Unibox
Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.
Delta Chat looks and feels like other popular messenger apps, but does not involve centralized control, tracking or selling you, friends, colleagues or family out to large organizations. "Privacy by Design" has never been more fun.
The best FOSS alternative to any other chat-styled email clients. I've been hooked ever since I downloaded this application!
Email and news client on GTK+ foundation featuring quick performance, extensible plugins, secure protocols, advanced filtering, strong folder and contact management, lightweight design, powerful search, customizable interface, multi-language support, and encryption.
Streamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications, and tools for improved productivity and a modern interface.
Canary can write your emails, prioritize what needs attention, silence spam & much more. Say hello to your Inbox Copilot!
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Traditional email client; not a chat email client like Spike, Unibox, DeltaChat