Tool dossier

Signal

Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.

2 sources 28,639 stars AGPL-3.0

Product snapshot

How the interface presents itself

Signal interface screenshot

Positioning

What this project is really offering

The goal here is to separate raw catalog facts from the sharper product shape users care about before they commit time.

About

Signal is a privacy-focused messaging application that puts security at the forefront of digital communication. Built by a nonprofit organization, this platform offers a refreshing alternative to mainstream messaging apps by prioritizing user privacy over profit. Key Features: Privacy-First Approach: Signal operates with a strict no-compromise policy on privacy. The app contains no advertisements, no affiliate marketing, and no tracking mechanisms. Messages and calls are encrypted by default, meaning neither Signal nor any third party can access your communications. Independent and Sustainable: As a 501c3 nonprofit organization, Signal remains independent from major tech corporations and cannot be acquired. Development is funded through grants and user donations, ensuring the platform's mission stays aligned with user privacy rather than corporate interests. The app uses your phone's data connection, helping you avoid SMS and MMS fees while maintaining the highest security standards in digital communication.

Highlights

The capabilities most worth remembering

01

End-to-end encryption

02

Voice and video calls

03

Group messaging

04

Media sharing

05

Custom sticker packs

06

End-to-End Encryption

07

Multimedia Sharing

08

Crystal-Clear Calls

09

Encrypted Stickers

10

Group Chats

11

No Ads or Trackers

12

Independent Nonprofit

Evidence

What backs up the editorial summary