Dev tools · alternatives · 2026
24 alternatives to OpenMime
Native MacOS Gmail app - free & open source
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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A native macOS email client for Gmail
2020 · mimestream.com · its alternatives →
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Orbit for Mac▲161A native Mac email client for multiple Gmail accounts. Every Google account — Gmail, Calendar, Drive — in one window, each in its own session. 4 MB download, no bundled browser. Buy once.
Jul 2026 · orbitformac.com · its alternatives →
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2013 · khamidou.github.io · its alternatives →
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Kiwi for Gmail▲225The only true email client for Gmail on Mac
2015 · kiwiforgmail.com · its alternatives →
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Gmail for Mac▲111Seamlessly fluid, desktop email client for Mac (Kickstarter)
2014 · kickstarter.com · its alternatives →
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Hi HN! We’re Aleem, Chris, Borys, Meichen and Zach from Streak (YC S11) and today we’re open sourcing our InboxSDK https://www.inboxsdk.com, which makes it easy to build apps for Gmail. Over 1.8B users spend their days in Gmail! Having your app built into the Gmail workflow is a better user experience and gives you great user retention. InboxSDK gives you a high-level, declarative API to insert your UI into Gmail without having to directly manipulate the DOM yourself. End users install a browser extension to use your app. The SDK can add UI to multiple areas of Gmail. For example,…
2022 · its alternatives →
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Mia for Gmail▲142Gmail desktop client for your Mac without a browser
2015 · miaforgmail.com · its alternatives →
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We just open-sourced Lume - a tool we built after hitting walls with existing virtualization options on Apple Silicon. No GUI, no complex stacks - just a single binary that lets you spin up macOS or Linux VMs via CLI or API. Why we built Lume: - Run native macOS VMs in 1 command, using Apple Virtualization.Framework: `lume run macos-sequoia-vanilla:latest` - Prebuilt images on https://ghcr.io/trycua (macOS, Ubuntu on ARM) - API server to manage VMs programmatically `POST /lume/vms` - A python SDK on github.com/trycua/pylume Run prebuilt macOS images in just…
2025 · github.com · its alternatives →
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Hello HN! I'm excited to introduce Swift Mail, a native macOS email client purpose-built for the JMAP mail standard. Primarily constructed with SwiftUI and occasional AppKit elements, Swift Mail combines the speed and efficiency of a modern mail standard with desktop-centric features such as system notifications, keyboard shortcuts, quick look, multiple windows, state restoration, dark mode, and more. Swift Mail distinguishes itself from other email clients with its steadfast commitment to the JMAP standard over the traditional IMAP implementation, facilitating seamless alignment with modern…
2024 · swiftmail.io · its alternatives →
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Simple, beautiful & blazing fast email app now on Mac.
2016 · cloudmagic.com · its alternatives →
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InboxSDK▲508First usable API to write Gmail Apps for 1B active users
2015 · inboxsdk.com · its alternatives →
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Free and open-source. Simple alternative to cal.com / calendly, built on Google-App-Script for Gmail users. Built with modern technologies like React, TypeScript, Shadcn/UI, and Vite.
2024 · github.com · its alternatives →
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Mailbird for Mac▲373Email the way you like it, now on Mac
2024 · getmailbird.com · its alternatives →
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Fly through your email. Now on Mac
2014 · theverge.com · its alternatives →
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Quartz▲270AI email client built for focus. Runs locally on your Mac
Jun 2026 · quartzmail.ai · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →