
Thunderbird
Microsoft Outlook
Airmail
Mailbird
eM Client
Postbox
Geary
Mailspring is a mail client for Mac, Windows and Linux.

Which is more popular?
Based on our record, Mailspring seems to be more popular. It has been mentioned 25 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | getmailspring.com | shadowgit.com |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from Germany · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Mailspring yet.
Every change saved. Any version restorable. AI can search what changed to debug faster. Never lose work again. Cut debugging time by 80%. Save 50% on AI tokens. 100% local.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Mailspring is recommended for users who need a centralized hub for managing multiple email accounts. It is particularly well-suited for professionals who benefit from features like read receipts and link tracking, as well as those looking for a highly customizable email experience.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Mailspring and ShadowGit.
ShadowGit's answer:
ShadowGit is the only tool where AI assistants can directly search your code history to debug faster while using 50% fewer tokens. Auto-captures every change without touching your main git repo. Built specifically for AI-assisted development.
ShadowGit's answer:
Electron is the primary technology being used.
ShadowGit's answer:
ShadowGit is the only tool built specifically for developers using AI. Unlike generic backup tools, your AI can actually search the history to debug faster and use 50% fewer tokens. Separate shadow repo means your main git stays clean. 100% local.
ShadowGit's answer:
AI-Accelerated solo developers that use AI coding assistants daily (Claude, Cursor, Copilot), experienced enough to feel the pain (2-10 years of coding) and that want to move fast, ship often and experiment constantly.
ShadowGit's answer:
I built ShadowGit after losing 3 hours of work to a bad AI refactor. Started as a personal backup tool, but when I added MCP integration so AI could search the history, debugging time dropped 80%. Had to share it.
Share your experience with using Mailspring and ShadowGit. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Mailspring offers activity tracking, meaning you get notified as soon as contacts read your email messages, and link tracking, so you can see who’s tracking your links.
Mailspring detects the language you are using and automatically spellchecks in that language.
Mailspring supports multiple accounts, read receipts, translations, undo send, and other popular email client features.
We have no reviews of ShadowGit yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


I love Mailspring, it's modern and open source: https://getmailspring.com/ The UI uses Electron, but the actual sync engine is in C++, so it's pretty fast. - Source: Hacker News / over 3 years ago
The only app I’m aware of which translates emails is this; https://getmailspring.com. Source: over 3 years ago
Mailspring is quite nice. It also has a paid version and is actively updated so I think it's likely to stick around for awhile. Source: over 3 years ago
Tracking ShadowGit since Sep 2025.
When comparing Mailspring and ShadowGit, you can also consider the following products.

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

Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.
Compare Git to Mailspring or ShadowGit:

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Compare Microsoft Outlook to Mailspring or ShadowGit:

Airmail is a lightweight and lightning fast mail client for Mac.
Compare Airmail to Mailspring or ShadowGit:

Mailbird is the best email client for Windows 7, 8 and 10
Compare Mailbird to Mailspring or ShadowGit:

eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.
Compare eM Client to Mailspring or ShadowGit: