Mailspring

Name: Mailspring
Author: Ben Gotow

by Ben Gotow

Top AppmacOSelectronv1.21.1

macOS Windows

Available onHomebrewDirect DownloadGitHub

Runtime

electron

Electron v41.6.1

Size

398 MB

Architecture

Apple Silicon

Dependencies

367

23 categories

Last Updated

May 8, 2026

Security

Excellent

Signed, notarized, hardened

Mailspring is an Electron app (v41.6.1) that uses 367 detected dependencies across 23 categories including Runtime, Date & Time, Parser. It is code-signed and notarized. 398 MB on macOS (Apple Silicon). Last updated May 8, 2026. Last verified May 2026.

What is Mailspring built with?

367 detected dependencies across 23 categories.

Runtime

Date & Time

Parser

File System

Encoding

Compression

I/O

Async Runtime

CLI

Logging

UI Framework

Rich Text Editor

Build Tool

Utility

Networking

Data Structure

Platform Binding

Security

State Management

CSS Framework

Testing

Database

Other

268

d bl rc ext lie lop prr sax tld vcf duck gopd grim once pify type eachr errno juice mixto print slick chownr errlop esniff getmac hasown is-map is-set mensch option parse5 reflux rtlcss wrappy csstype es5-ext esrever ical.js is-what isarray rx-lite type-of ui-dark activity argparse bluebird boolbase composer contacts css-what domutils editions emissary emojilib entities escalade foldline for-each has-flag inflight is-regex optimist reactcss ui-light ui-taiga wordwrap call-bind camelcase direction es-errors get-proto immediate is-bigint is-hotkey is-string is-symbol is-window js-tokens lz-string next-tick nth-check object-is scheduler skin-tone snarkdown ui-ubuntu undo-redo aria-query call-bound char-regex color-name concat-map css-select domhandler draft-list emoji-data es6-symbol get-window is-weakmap is-weakset less-cache node-emoji onboarding picocolors proxyquire send-later simple-get sprintf-js tar-stream xmlbuilder ansi-styles attachments buffer-from deep-extend detect-libc dom-helpers escape-goat fs.realpath has-bigints has-symbols htmlparser2 is-callable memoize-one mode-switch object-keys preferences system-tray thread-list translation typechecker ui-darkside unsubscribe core-util-is custom-fonts dunder-proto es6-iterator es6-weak-map extract-opts fs-constants get-document is-arguments jasmine-json less-is-more loose-envify message-list moment-round safer-buffer setimmediate side-channel theme-picker tiny-warning tunnel-agent ui-automatic windows-iana color-convert copy-anything custom-sounds event-emitter function-bind get-intrinsic ical-expander internal-slot is-in-browser link-tracking main-calendar notifications object.assign open-tracking pretty-format simple-concat source-map-js thread-search thread-snooze void-elements balanced-match block-elements cheerio-select dom-serializer domelementtype is-date-object mimic-response mkdirp-classic native-request object-inspect send-reminders svg-attributes thread-sharing valid-data-url @icons/material account-sidebar app-module-path brace-expansion category-mapper category-picker es-get-iterator es-object-atoms expand-template has-tostringtag html-attributes is-array-buffer is-plain-object material-colors math-intrinsics safe-regex-test screenshot-mode underscore-plus whatwg-encoding whatwg-mimetype @sindresorhus/is encoding-sniffer file-uri-to-path is-number-object napi-build-utils path-is-absolute send-and-archive side-channel-map which-collection define-properties is-boolean-object isomorphic-base64 jasmine-reporters set-function-name side-channel-list underscore.string which-typed-array composer-signature composer-templates dingbat-to-unicode es-define-property phishing-detection property-accessors thread-unsubscribe chromium-net-errors collapse-whitespace decompress-response github-contact-card github-from-package participant-profile set-function-length define-data-property functions-have-names parse5-parser-stream process-nextick-args side-channel-weakmap unread-notifications web-resource-inliner windows-focus-assist dom-accessibility-api jasmine-react-helpers pick-react-known-prop selection-is-backward which-boxed-primitive available-typed-arrays composer-grammar-check is-shared-array-buffer message-view-on-github regexp.prototype.flags remove-tracking-pixels call-bind-apply-helpers message-autoload-images stop-iteration-iterator array-buffer-byte-length has-property-descriptors @bengotow/slate-edit-list personal-level-indicators possible-typed-array-names parse5-htmlparser2-tree-adapter

Security and privacy

Code signing, notarization, and entitlement analysis for Mailspring.

Code Signing

Excellent

Signed

Notarized

Hardened Runtime

Developer ID Application: Ben Gotow (X9RJ36K9D4)

How popular is Mailspring?

Popularity ranking based on install counts, store ratings, and community signals.

Popularity Tier

Ranked across all macOS apps

Top App

When was Mailspring last updated?

20 tracked releases since November 2023.

Latest: v1.21.1

May 23, 2026

Last verified May 23, 2026

Get version history, dependency trees, and scores via API