Companies similar to startmail.com
Ranked by market relation, semantic similarity, web metadata, technology, category, and language signals.
Top 20 of 250,833,009 candidates
Search took 3333ms · hybrid similarity across Semantil company signals
| # | Domain & description | Country | Industry | Tech / Tier | Traffic | Similarity | Action |
|---|---|---|---|---|---|---|---|
| 1 |
PrivateMail - Anonymous Encrypted Email
Protect your communication with Encrypted OpenPGP email services from PrivateMail and keep your email Anonymous.
|
United States | Encryption Services |
238k
high
|
89.1% | similar profile | |
| 2 |
TrashMail - Encrypted Mailbox | Email Aliases
Post-quantum encrypted mailbox with unlimited email aliases. Zero-knowledge architecture - nobody can read your emails, not even us.
|
Germany | Temporary Email Services |
130k
high
|
87% | similar profile | |
| 3 |
Email Encrypt Pro: Secure Email Encryption App for iOS
Protect your digital communications with Email Encrypt Pro. Experience the ultimate security with 256-bit encryption for your emails and...
|
United States | Encryption Services |
No data
|
87.9% | similar profile | |
| 4 |
ExchangeDefender User Guides | Setup & Support Documentation
Access user documentation for ExchangeDefender products. Learn how to configure, manage, and troubleshoot services with clear guides and...
|
United States | Software Documentation Sites |
355k
high
|
85.6% | similar profile | |
| 5 |
SafeInCloud — Safe — Passkey & Password Manager
No more hacks and forgotten passwords. Safe securely stores them and helps you log in with one click.
|
Mac iOS Tips |
149k
high
|
86.1% | similar profile | ||
| 6 |
Disroot | Disroot.org
Disroot is a platform providing online services based on principles of freedom, privacy, federation and decentralization.
|
Netherlands | Software Documentation Sites |
468k
high
|
84.9% | similar profile | |
| 7 |
Client-Side Cryptographic Security Platform | RandomSecure
Client-side cryptographically secure tools for random number generation, password creation, passphrase generation, and AES-256 encryption...
|
United States | Encryption Services |
Very low traffic
|
87.2% | similar profile | |
| 8 |
Encrypt & Go | Private & Secure Messaging
Encrypt and share messages securely using AES-GCM encryption. No data is stored on servers, ensuring complete privacy.
|
Encryption Services |
Very low traffic
|
87.3% | similar profile | ||
| 9 |
Client-Side Cryptographic Security Platform | RandomSecure
Client-side cryptographically secure tools for random number generation, password creation, passphrase generation, and AES-256 encryption...
|
Encryption Services |
Very low traffic
|
87.2% | similar profile | ||
| 10 |
Sendmail Digital - Secure Cloud Email Solutions
Sendmail Digital provides secure, encrypted email solutions for businesses. Protect your communications with our end-to-end encryption.
|
— |
Very low traffic
|
87.2% | similar profile | ||
| 11 |
AmnPass — Zero-Knowledge Password Manager
AmnPass is a zero-knowledge password manager. Your vault is encrypted locally using your master password. We cannot access your passwords or...
|
— |
Very low traffic
|
87.1% | similar profile | ||
| 12 |
iLink.today – End-to-End Encrypted Self-Destruct Links
End-to-end encrypted self-destructing messages and secure private links. All messages encrypted at rest with military-grade encryption....
|
Encryption Services |
Very low traffic
|
87% | similar profile | ||
| 13 |
Bitwarden Passwordless.dev - Passwordless Authentication | Bitwarden
Embrace passkey & passwordless authentication with Bitwarden Passwordless.dev, empowering devs to build seamless login experiences with...
|
United States | Authentication Platforms |
13.2M
very_high
|
83% | similar profile | |
| 14 |
Test any email, SMS or user action with one API | Mailosaur
Instant, secure inboxes to test every sign-up, password reset, and authentication flow automatically. Ship faster and release with...
|
United Kingdom | Lead Generation Tools |
235k
high
|
83.7% | similar profile | |
| 15 |
FileyHosty - Secure Cloud File Storage
|
— |
Very low traffic
|
87.5% | similar profile | ||
| 16 |
Web Link Encryption - Password Protect & Hide URLs Online
Securely encrypt and password-protect your URLs. Aggregate multiple links into one secure link using AES-256. Fully client-side encryption...
|
Encryption Services |
36k
medium
|
84.6% | similar profile | ||
| 17 |
Encrypt Android Phone. Virtual Disk Encryption Software For Android - EDS
Encrypt your Android phone in minutes! Download a powerful Android encryption app to keep your mobile device safe and private. Protect your...
|
United States | — |
18k
medium
|
84.8% | similar profile | |
| 18 |
Free Email Forwarding for Custom Domains - #1 Open Source Email Service 2026
Get free email forwarding for custom domains. Send & receive as [email protected] with unlimited aliases, 10GB storage, IMAP/POP3/SMTP &...
|
United States | Web Development Resources |
626k
high
|
83.4% | similar profile | |
| 19 |
iSecureFile - Encrypt, Protect, and Share Files Safely | 100% Browser Based
Encrypt, protect, and share files safely with iSecureFile. 100% browser-based encryption. Nothing leaves your device. Military-grade AES-256...
|
— |
Very low traffic
|
86.5% | similar profile | ||
| 20 |
End-to-End Encrypted Cloud Storage for Businesses | Tresorit
Share files securely with anyone using encrypted cloud storage. Get the highest standard of data security in the cloud.
|
Switzerland | Encryption Services |
1.3M
very_high
|
82.7% | similar profile |
Similarity combines curated relation signals and semantic similarity from the Semantil company index.
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