Bring your workspace together into one unified app. Created by Hopflow Spike is a modern communication and collaboration workspace which turns your existing email into simple, chat-like conversations. Bring all of your communication — your emails, chats, calls, team collaboration, tasks, everything — to one place. It’s what your team has been looking for in a productivity and messaging app, all in a single workspace. There’s life before Spike. And after Spike. More Info »Spike works on top of ANY existing email (O365, G suite, and IMAP) and is available on iOS, Android, Mac, Windows & Web!This gives you a single, unified, and fully functioning platform for all your team’s tasks. • Conversational Email • We’ve simplified your inbox to help you communicate in real-time. • Built-in Team Collaboration • Groups within your inbox – the simplest team collaboration app! No logins, no links, just everyone on the same page.• Real-Time Everything • Stay on top of urgent messages with read-receipts, real-time awareness, and snoozing. • Clears the Clutter • Automatically organizes your inbox and gets rid of endless email threads and repetitive signatures, for maximum focus. • The Fastest, Search. Ever. •Search all messages, files, and contacts instantly. Spike’s Super Search is the fastest way to find and attach anything. • File Management • Visually preview all attachments without opening any emails or download any files. • Bulk actions = saving time • Unsubscribe, mass archive, and organize with unprecedented speed. • Enough with the inbox shuffle •All of your work and personal email accounts in one simple, unified inbox.Connect Gmail, Office365 (e.g Outlook), Exchange, iCloud, Yahoo or any IMAP account. • One life, one Calendar •All your calendars (Google Calendar, Facebook, Apple Calendar) right in your email.
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Spike
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| # | Image | App Name | Features | Platforms | Price | Website Link |
| 2 |  |
June.ai | Web | Mac iPhone |
Free | Website |
| 3 |  |
Teknik Mail | Web | Free | Website | |
| 4 |  |
MailMate | S/MIME | Mac OpenPGP |
Commercial | Website |
| 5 |  |
Mailspring | Mac Arch Linux Fedora Windows Ubuntu Linux |
Freemium | Website | |
| 6 |  |
InstAddr | iPhone iPad |
Free | Website | |
| 7 |  |
WunderMail | Gmail Windows |
Freemium | Website | |
| 8 |  |
EML MAI Reader PRO | Windows | Free | Website | |
| 9 |  |
BlueMail | Mac Chrome OS Windows Android iPhone iPad Apple Watch Linux Android Tablet |
Free Personal | Website | |
| 10 |  |
TrulyMail | Discontinued | Windows | Freemium | Website |
| 11 |  |
servermx | Web | Chrome OS Windows Android iPhone Self-Hosted Apple Watch Linux Android Tablet |
Commercial | Website |
| 12 |  |
mailbox.org | Web | Commercial | Website | |
| 13 |  |
Inboxer | Discontinued | Mac Windows Linux |
Free | Website |
| 14 | Claws Mail Alternatives and Similar Software | Windows Linux BSD |
Free | Website | ||
| 15 |  |
Mailo | Web | Android iPhone OpenPGP Android Tablet iPad |
Freemium | Website |
| 16 |  |
Speaking Email | iPhone | Commercial | Website | |
| 17 |  |
Notion Intelligent Email | Android iPhone Android Tablet iPad |
Free | Website | |
| 18 |  |
mBoxMail | iPhone | Commercial | Website | |
| 19 |  |
Zoho Mail | Web | Mac Windows Android iPhone Linux |
Freemium | Website |
| 20 |  |
Missive | Web | Mac Windows Android iPhone |
Freemium | Website |
| 21 |  |
Canary Mail | Mac iPhone Apple Watch iPad |
Commercial | Website | |
| 22 |  |
MailTamer | iPhone iPad |
Commercial | Website | |
| 23 |  |
SolMail | Discontinued | Android Android Tablet |
Free | Website |
| 24 |  |
Spark | Mac Android iPhone |
Freemium | Website | |
| 25 |  |
ETHletter | Web MetaMask |
Free | Website | |
| 26 |  |
ProfiMail | S60 | Windows Mobile Android Android Tablet |
Freemium | Website |
| 27 |  |
OpenProject | Web | Ruby Self-Hosted Cloudron |
Freemium | Website |
| 28 |  |
Gmail Go | Android | Free | Website | |
| 29 |  |
CloudEmail.io | Web | Freemium | Website | |
| 30 |  |
Postbox | Mac Windows |
Commercial | Website | |
| 31 |  |
TypeApp | Android iPhone Android Tablet Android Wear Kindle Fire iPad |
Free Personal | Website | |
| 32 |  |
Consider | Web | iPhone iPad |
Commercial | Website |
| 33 |  |
Gmail |
Web Android TV Chrome |
Chrome OS Android iPhone Android Tablet Android Wear iPad Software as a Service (SaaS) |
Free | Website |
| 34 |  |
Tempo | Mac | Free | Website | |
| 35 |  |
Superhuman | Web | Commercial | Website | |
| 36 |  |
TimelinesAI | Software as a Service (SaaS) | Free | Website | |
| 37 |  |
Mailbird | Windows | Commercial | Website | |
| 38 |  |
Simpli | iPhone | Free | Website | |
| 39 |  |
Apple Mail | Mac iPhone iPad |
Free | Website | |
| 40 |  |
mail2world | Web | Freemium | Website | |
| 41 |  |
Mailbox for Zoho | Zoho Mail | Mac | Commercial | Website |
| 42 | Microsoft Office Outlook Alternatives for Android tagged with Calendar Integration | Mac Windows Online Android iPhone Android Tablet Windows Phone iPad Apple Watch Android Wear Online Windows Phone |
Free with limited functionality | Website | ||
| 43 |  |
Unibox | Mac | Commercial | Website | |
| 44 |  |
SlideMail | iPhone | Free | Website | |
| 45 |  |
myMail | Android iPhone Apple Watch Android Tablet iPad |
Free | Website | |
| 46 |  |
Hiri | Mac Windows Linux |
Commercial | Website | |
| 47 |  |
TouchMail | Windows S Windows |
Commercial | Website | |
| 48 |  |
Airmail | Mac iPhone Apple Watch iPad |
Commercial | Website | |
| 49 |  |
Aqua Mail | Android Tablet Android |
Freemium | Website | |
| 50 |  |
Mailroom | iPhone | Commercial | Website | |
| 51 |  |
Taskbox – Mail | iPhone | Commercial | Website | |
| 52 |  |
EmailTray | Android Windows |
Free | Website | |
| 53 |  |
Juicy Mail | Web | Mac Windows Android |
Free | Website |
| 54 |  |
Inbox Grader | Web | Free | Website | |
| 55 |  |
Mailable | iPhone iPad |
Commercial | Website | |
| 56 |  |
Polymail | Mac iPhone iPad |
Commercial | Website | |
| 57 | Turing Email Alternatives and Similar Software | Mac Windows Online Android iPhone Android Tablet iPad |
Commercial | Website | ||
| 58 |  |
Maestro | Windows Phone | Commercial | Website | |
| 59 |  |
Vivaldi Mail | Web | Free | Website |