Sites like Signal

01 · Entity

About Signal

Signal signal.org

Signal >> Home

Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect.

Wikidata: privacy-focused encrypted messaging app

Top 10K · #2,337 English 8 technologies Crawled Nov 6, 2026

Visit Signal

Summary by Claude

Signal is a free, open-source messaging app with end-to-end encryption for text messages, voice and video calls, file sharing, and group chats. It is developed by an independent nonprofit.

Who it’s for

General consumers seeking private messaging

Business model

Donations and grants (nonprofit)

• encrypted messaging app
• end-to-end encrypted messaging
• Signal Protocol
• encrypted voice calls
• video calls
• group chats
• private file sharing
• sticker packs
• open-source messenger

02 · Embedding space

Competitor map

Each alternative by how close its vector is to Signal’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

1. 01
   WhatsApp whatsapp.com Top 100 English

   WhatsApp | Secure and Reliable Free Private Messaging and Calling

   Use WhatsApp Messenger to stay in touch with friends and family. WhatsApp is free and offers simple, secure, reliable messaging and calling, available on phones all over the world.

   • Google Search Console
   • Microsoft 365
   • Adobe
   • Dropbox
   • Meta Business Suite
   • Proofpoint

   0 say WhatsApp is a good alternative to Signal 0 say WhatsApp isn’t a real alternative to Signal

   Comment
   Very close cos 0.923
2. 02
   OneSignal onesignal.com Top 10K English

   Customer Engagement Platform for Email, Push… - OneSignal

   The world's leader for mobile push notifications, web push, SMS, email and in-app messaging. Trusted by 2 million+ businesses to send 12 billion+ messages per…

   • Cloudflare
   • Cloudflare DNS
   • Google Search Console
   • Google Workspace
   • jQuery
   • Bootstrap

   0 say OneSignal is a good alternative to Signal 0 say OneSignal isn’t a real alternative to Signal

   Comment
   Very close cos 0.904
3. 03
   LINE line.me Top 1K English

   LINE｜always at your side.

   More than just a messenger app. LINE is new level of communication and the very infrastructure of your life.

   • Google Search Console
   • Amazon CloudFront
   • Google Tag Manager
   • jsDelivr
   • Meta Business Suite

   0 say LINE is a good alternative to Signal 0 say LINE isn’t a real alternative to Signal

   Comment
   Very close cos 0.903
4. 04
   Viber viber.com Top 1K English

   Home | Viber

   cross-platform instant messaging voice-over-Internet Protocol application for smartphones

   • Atlassian
   • Google Workspace
   • jQuery
   • Stripe
   • Akamai
   • Amazon SES

   0 say Viber is a good alternative to Signal 0 say Viber isn’t a real alternative to Signal

   Comment
   Very close cos 0.897
5. 05
   Syncthing syncthing.net Top 10K English

   Syncthing

   open source continuous file synchronization software

   • jQuery
   • Microsoft 365
   • Bootstrap
   • cdnjs
   • Fastly
   • Font Awesome

   0 say Syncthing is a good alternative to Signal 0 say Syncthing isn’t a real alternative to Signal

   Comment
   Close cos 0.891
6. 06
   Threema threema.ch Top 10K English

   Threema – Secure Communication For Individuals and Companies

   The secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value privacy, security and data protection.

   • Google Search Console
   • nginx

   0 say Threema is a good alternative to Signal 0 say Threema isn’t a real alternative to Signal

   Comment
   Close cos 0.879
7. 07
   Tuta tuta.com English

   Tuta: Turn ON privacy for free with secure emails, calendars & contacts | Tuta

   Tuta guarantees your data stays private for free & without ads. Quantum-resistant encryption makes Tuta the best secure technology solution to protect your privacy.

   • Astro
   • Amazon Route 53

   0 say Tuta is a good alternative to Signal 0 say Tuta isn’t a real alternative to Signal

   Comment
   Close cos 0.880
8. 08
   Discord discord.com Top 1K English

   Discord - Group Chat That’s All Fun & Games

   Discord is great for playing games and chilling with friends, or even building a worldwide community. Customize your own space to talk, play, and hang out.

   • Atlassian
   • Cloudflare
   • Cloudflare DNS
   • Google Search Console
   • Google Workspace
   • Apple Business

   0 say Discord is a good alternative to Signal 0 say Discord isn’t a real alternative to Signal

   Comment
   Close cos 0.879
9. 09
   Messenger messenger.com Top 10K English

   Messenger

   Hang out anytime, anywhere—Messenger makes it easy and fun to stay close to your favorite people

   • Google Search Console
   • Microsoft 365
   • Proofpoint

   0 say Messenger is a good alternative to Signal 0 say Messenger isn’t a real alternative to Signal

   Comment
   Close cos 0.879
10. 10
    Proton proton.me Top 10K English

    Proton: Privacy by default

    Over 100 million people use Proton to stay private and secure online. Get a free Proton account and take back your privacy.

    • Google Search Console
    • Astro
    • Proton Mail
    • Tailwind CSS
    • Yandex Webmaster
    • YouTube embeds

    0 say Proton is a good alternative to Signal 0 say Proton isn’t a real alternative to Signal

    Comment
    Close cos 0.877
11. 11
    Snapchat snapchat.com Top 1K English

    Snapchat - Say It In A Snap

    Chat, send Snaps, explore Stories, and try Lenses on desktop, or download the app on mobile! See how to connect & create with friends on Snapchat, wherever you are.

    • Atlassian
    • Google Search Console
    • Google Workspace
    • Adobe
    • Apple Business
    • Canva

    0 say Snapchat is a good alternative to Signal 0 say Snapchat isn’t a real alternative to Signal

    Comment
    Close cos 0.877
12. 12
    Bitwarden bitwarden.com Top 10K English

    Best Password Manager for Business, Enterprise & Personal | Bitwarden | Bitwarden

    Bitwarden is the trusted, open source password manager for individuals, teams, and enterprises. Securely store, share, and manage passwords, passkeys, and secrets. Free to start.

    • Atlassian
    • Cloudflare DNS
    • Google Search Console
    • Google Workspace
    • Microsoft 365
    • Stripe

    0 say Bitwarden is a good alternative to Signal 0 say Bitwarden isn’t a real alternative to Signal

    Comment
    Close cos 0.876
13. 13
    SignUpGenius signupgenius.com Top 10K English

    SignUpGenius: Free Sign Up Sheets, Fundraisers & Online Payments

    Create free sign up sheets, collect dues, run fundraisers, sell tickets, and more. Every way your group organizes and collects, in one place. Free to start.

    • Atlassian
    • Cloudflare
    • Cloudflare DNS
    • Google Search Console
    • Microsoft 365
    • Apple Business

    0 say SignUpGenius is a good alternative to Signal 0 say SignUpGenius isn’t a real alternative to Signal

    Comment
    Close cos 0.873
14. 14
    8x8 8x8.com Top 10K English

    Vercel Security Checkpoint

    American provider of Voice over IP products

    • Atlassian
    • Google Search Console
    • Google Workspace
    • Microsoft 365
    • Stripe
    • Adobe

    0 say 8x8 is a good alternative to Signal 0 say 8x8 isn’t a real alternative to Signal

    Comment
    Close cos 0.874
15. 15
    Infobip infobip.com Top 10K English

    Infobip - Build meaningful customer relationships across any communication channel

    Engage your customers and prospects with simple drag and drop email, SMS, chatbot or build custom solutions with the best in class APIs

    • Atlassian
    • Cloudflare
    • Google Search Console
    • Amplitude
    • Apple Business
    • Cloudflare Web Analytics

    0 say Infobip is a good alternative to Signal 0 say Infobip isn’t a real alternative to Signal

    Comment
    Close cos 0.872
16. 16
    Slack slack.com Top 1K English

    Slack | AI Work Platform & Productivity Tools

    Boost productivity and save time with Slack‌ — ‌the AI work platform for managing projects, automating workflows, and connecting teams securely. Start working smarter today.

    • Google Search Console
    • Google Workspace
    • Apache HTTP Server
    • HubSpot
    • OneTrust
    • Amazon Route 53

    0 say Slack is a good alternative to Signal 0 say Slack isn’t a real alternative to Signal

    Comment
    Close cos 0.871
17. 17
    Docusign docusign.com Top 10K English

    Docusign | #1 in Electronic Signature and Intelligent Agreement Management

    Create, commit to, and manage your agreements all in one platform with Docusign IAM. Electronically sign for free.

    • Atlassian
    • Google Search Console
    • Google Workspace
    • Microsoft 365
    • Stripe
    • Adobe

    0 say Docusign is a good alternative to Signal 0 say Docusign isn’t a real alternative to Signal

    Comment
    Close cos 0.869
18. 18
    Tinder gotinder.com Top 10K English

    Tinder | Dating, Make Friends & Meet New People

    With 55 billion matches to date, Tinder® is the world’s most popular dating app, making it the place to meet new people.

    • Atlassian
    • Google Search Console
    • Google Workspace
    • Adobe
    • Amazon SES
    • Amazon Web Services

    0 say Tinder is a good alternative to Signal 0 say Tinder isn’t a real alternative to Signal

    Comment
    Close cos 0.871
19. 19
    RingCentral ringcentral.com Top 10K English

    RingCentral: The Voice of Your Business

    Power the voice of your business with RingCentral Agentic Voice AI, including AI Receptionist (AIR), AI Virtual Assistant (AVA), & AI Conversation Expert (ACE).

    • Atlassian
    • Cloudflare
    • Cloudflare DNS
    • Google Search Console
    • Microsoft 365
    • Stripe

    0 say RingCentral is a good alternative to Signal 0 say RingCentral isn’t a real alternative to Signal

    Comment
    Close cos 0.872
20. 20
    Singular singular.net Top 10K English

    Marketing Attribution & Analytics with AI Insights | Singular

    Unify your marketing data, measure true ROI, and unlock actionable insights with Singular’s AI-powered attribution and analytics platform

    • Cloudflare
    • Google Search Console
    • Google Workspace
    • jQuery
    • Microsoft 365
    • Amazon SES

    0 say Singular is a good alternative to Signal 0 say Singular isn’t a real alternative to Signal

    Comment
    Close cos 0.868

Ranked by score: the cosine similarity of each site’s vector to signal.org’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones Signal uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What Signal is built with, and what its closest competitors use, from its homepage’s code and its DNS records.