Spike Alternatives & Competitors

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Key Microsoft Outlook features:

Integration with Microsoft Ecosystem Calendar and Task Management Strong Security Features Customizable Interface

Secure email with absolutely no compromises. Get your free encrypted email account today.

Key ProtonMail features:

End-to-End Encryption Zero Access to User Data Swiss Privacy Laws Open Source

freemium €5 / Monthly (user - 5 GB)

A habit and interest tracker for everything you care about. Set your own cadence, daily to monthly, and streaks follow your schedule. Buy once for $21, no subscription.

Key EatAWhale features:

Cost Per Session Cadence You Choose Adjustable Pressure One Purchase, Every Platform

Try for free freemium $21 / One-off

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues.

Key Spark Mail features:

Smart Inbox Collaborative Email Customization Unified Inbox

Open Source

The platform for exceptional customer service at scale.

Key Front features:

Unified Inbox Collaboration Integrations Automation

Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

Key Gmail features:

Generous Storage Integration with Google Services Powerful Search Functionality Spam and Virus Protection

Learn about Proofpoint's email security solutions that protect organizations against threats such as email fraud, phishing, spam, bulk email, and viruses.

Key Proofpoint Email Security and Protection features:

Advanced Threat Protection Threat Intelligence URL and Attachment Defense Data Loss Prevention (DLP)

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Key Thunderbird features:

Free and Open Source Customization Cross-Platform Robust Security

BlueMail is an email management app for Android, iOS, and Windows.

Key BlueMail features:

Cross-Platform Availability User-Friendly Interface Unified Inbox Customization Options

Team communication app now supporting FB, Twitter & SMS.

Key Missive features:

Team chat Team inbox (email, SMS, etc.) Rules & automation

freemium $14 / Monthly (^ 6 months history)

Mailbird is the best email client for Windows 7, 8 and 10.

Key Mailbird features:

User-Friendly Interface Integration with Third-Party Apps Speed and Performance Unified Inbox

Paubox provides HIPAA compliant email encryption without the hassle of extra steps.

Key Paubox features:

Ease of Use HIPAA Compliance No Extra Steps for End-Users 24/7 Customer Support

K-9 is an opensource email client making it easy to chew through large volumes of email.

Key K-9 Mail features:

Open Source Customizability Privacy-Focused Supports Multiple Email Protocols

Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs. .

Key Zoho Mail features:

Easy to Set-up and use Free Trial Forever Free Plan Available Clean UI

freemium $1 / Monthly (per user)