Sparrow AlternativesOnly apps categorised as Calendar Apps
The best Calendar alternative to Sparrow is Thunderbird, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Sparrow and 13 are Calendar Apps so hopefully you can find a suitable replacement. Other interesting Calendar App alternatives to Sparrow are Microsoft Office Outlook, eM Client, Spark Mail and Microsoft Mail and Calendar.
Sparrow alternatives are mainly Email Clients but may also be Calendar Apps or WebMail Providers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Sparrow.- 91 Thunderbird alternatives
- Email Client
- Calendar App
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- AppImageHub
- Snapcraft
- Flathub
- PortableApps.com
- Haiku
- Homebrew
- Chocolatey
Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.
- - Thunderbird is the most popular Windows, Mac & Linux alternative to Sparrow.
- - Thunderbird is the most popular Open Source & free alternative to Sparrow.
Thunderbird Features
- Extensible by Plugins/Extensions
- Multiple Account support
- Calendar Integration
- Email Organizer
- Dark Mode
- OpenPGP
- Portable
- GPG Encryption
- Ad-free
- Works Offline
- Full-Text Search
- Mail Filtering
- Unified inbox
- No Tracking
- Import/Export OPML Feeds
- Support for Themes
- Integrated Password Manager
- PGP Encryption
- 139 Microsoft Office Outlook alternatives
- Email Client
- Calendar App
- Paid • Proprietary
- Mac
- Windows
- Online
- Android
- iPhone
- Android Tablet
- Windows Phone
- iPad
- Apple Watch
- Android Wear
Microsoft Outlook, part of the Microsoft 365 (Office) (not to be confused with Microsoft Outlook Express), is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.
- - Microsoft Office Outlook is the most popular Web-based, iPhone & iPad alternative to Sparrow.
- - Microsoft Office Outlook is the most popular commercial alternative to Sparrow.
Microsoft Office Outlook Features
- Email Organizer
- Calendar Integration
- Support for Aliases
- Calendar View
- Unified inbox
- Multiple Account support
- Works Offline
- Cloud Sync
- Dark Mode
- Support for @mentions
- Email Scheduling
- 64 eM Client alternatives
- Email Client
- Calendar App
- Freemium • Proprietary
- Mac
- Windows
- Android
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 Features
- Calendar Integration
- Multiple Account support
- PGP Encryption
- Dark Mode
- Unified inbox
- Cloud Sync
- Email Organizer
- Sync with Google Calendar
- Automatic Backup
- 59 Spark Mail alternatives
- Email Client
- Calendar App
- Freemium • Proprietary
- Mac
- Windows
- Android
- iPhone
- iPad
- Apple Watch
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.
Spark Mail Features
- Multiple Account support
- Email Scheduling
- Cloud Sync
- Dark Mode
- Calendar Integration
- Email Organizer
- Works Offline
- Unified inbox
- Ad-free
- Mail Filtering
- Calendar View
- Sync with Google Calendar
- 90 Microsoft Mail and Calendar alternatives
- Email Client
- Calendar App
- Free • Proprietary
- Windows
Windows 10 has Mail and Calendar apps already built in.
Microsoft Mail and Calendar Features
- Unified inbox
- 190 EssentialPIM alternatives
- Todo List Manager
- Task Management Tool
- Note-taking Tool
- Freemium • Proprietary
- Windows
- Android
- iPhone
The powerful, full-featured Personal Information Manager for Windows offering Email, Synchronization, Portability, Network support, Android and iOS versions.
EssentialPIM Features
- Portable
- Cloud Sync
- Integrated Password Manager
- Dark Mode
- 63 Canary Mail alternatives
- Email Client
- Calendar App
- Freemium • Proprietary
- Mac
- Windows
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
Email, meet AI. Canary can write your emails, prioritize what needs attention, silence spam & much more. Say hello to your Inbox Copilot!
Canary Mail Features
- End-to-End Encryption
- Unified inbox
- Multiple Account support
- PGP Encryption
- No Tracking
- Dark Mode
- Two-factor Authentication
- Email Organizer
- Ad-free
- Reminders
- Email template editor
- Calendar Integration
- Spam Filter
- Calendar View
- GPG Encryption
- Lightweight
- Cloud Sync
- Privacy focused
- 115 Kontact alternatives
- Calendar App
- Email Client
- Contact Manager
- Free • Open Source
- Linux
Personal Information Manager (Mail, Contact, Calendar and more).
Kontact Features
- 37 HCL Domino alternatives
- Email Client
- Calendar App
- Task Management Tool
- Paid • Proprietary
- Mac
- Windows
- Online
An enterprise application server that integrates information into a single workspace, integrates also a full mail server
HCL Domino Features
- Real time collaboration
- Extensible by Plugins/Extensions
- Full-Text Search
- Cloud Sync
- WYSIWYG Support
- Shared Folders
- Email Scheduling
- AES-256 Encryption
- Sync with Google Calendar
- Email template editor
- Reminders
- Ad-free
- Calendar View
- Recurring Tasks
- Spam Filter
- Calendar Integration
- Built-in viewer
- Email Verification
- Works Offline
- Dark Mode
- End-to-End Encryption
- File Tagging
- Automatic Backup
- Encrypted Backup
- Support for Aliases
- Support for scripting
- Multiple Account support
- Mail Filtering
- 38 Mulberry alternatives
- Email Client
- Calendar App
- Free • Open Source
- Mac
- Windows
- Linux
Mulberry is a powerful, easy to use electronic mail (email) and calendar program that allows you to send, access, and manage email and calendars. Mulberry also helps you manage other related information, such as contact information.
Mulberry Features
DiscontinuedThe project is no longer developed. Last version, 4.0.8, released in February 2007, can be still downloaded from the official website.
- 70 Koma-Mail alternatives
- Email Client
- Calendar App
- Contact Manager
- Free • Proprietary
- Windows
Koma-Mail is an email client which is comfortable and has very handy functions. It does not need an installation, so that you can run Koma-Mail from your flash drive but, of course, also on your desktop.
Koma-Mail Features
- Multiple Account support
- Spam Filter
- Portable
DiscontinuedDevelopment of KOMA Code apps stopped in January 2017. Last version of Koma-Mail, 3.83, released in March 2012, can be still downloaded from the official website.
- 17 Taskbox - Mail alternatives
- Email Client
- Paid • Proprietary
- iPhone
Your inbox is already a task list - make it a great one. Taskbox allows you to manage your tasks and todos where they already are -- your inbox -- without forwarding or cutting and pasting them to another app.