Software · Internet & communication

Blink

Blink is a voice and video calling program, available on Windows, macOS, Linux, Android and iOS.

Completely free
Windows, macOS, Linux, Android and iOS
Open source

Ad-supported exit link (Clictune): an intermediate page may show for a few seconds before the official website. Direct link to the website, no intermediate page

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by Flathub
License: GPL-3.0+ — Open source (copyleft)confirmed by Flathub
Open source: Yes
Commercial use: Yesconfirmed by Flathub, Official plan pages (pricing, licence, terms)
Account required: not documented
Credit card required: Noconfirmed by Flathub
Watermark: Not applicable
Ads: not documented
Platforms: Windows, macOS, Linux, Android and iOSEstablished by Android: Unspecified source · iOS: Unspecified source · Linux: Flathub, Unspecified source · macOS: Unspecified source · Windows: Unspecified source
Publisher: AG Projects
Latest version: 6.0.6 (28 January 2026)
Latest activity: 27 October 2026
Source code: github.com/AGPRojects/blink-qt

At a glance

All of Blink is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
Commercial use allowed

About

Blink, a fully featured, easy to use SIP client for Linux. You can use it with many SIP providers, on the LAN using Bonjour and with SIP2SIP, a free service.

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) — 9 November 2026
Facts collected from Unspecified source (platforms) — 9 November 2026
Facts collected from Official plan pages (pricing, licence, terms) (commercial use) — 9 November 2026
Last technical check: 7 November 2026
Description from Flathub — AppStream (Flathub)

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