Blink icon
Blink icon

Blink

Blink is the best real-time communications client using the SIP protocol.

Blink screenshot 1

Cost / License

  • Freemium (Pay once)
  • Open Source

Application type

Platforms

  • Mac  Paid on Mac App Store: $35.99
  • Windows
  • Linux
Blink screenshot 1
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Blink screenshot 3
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Features

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Recent activities

  • ServerCC icon
    jialin liu added Blink as alternative to ServerCC
  • Twinkle icon
    Gamliel Fishkin added Blink as alternative to Twinkle

Blink information

  • Developed by

    NL flagAG Projects

  • Licensing

    Open Source and Freemium product.

  • Pricing

    One time purchase (perpetual license) that costs $36 + free version with limited functionality.

  • Written in

  • Alternatives

    40 alternatives listed

  • Badge

    Get an embeddable badge for Blink

  • Supported Languages

    • English

AlternativeTo Categories

Office & Productivity, Social & Communications, Security & Privacy, OS & Utilities, Remote Work & Education

GitHub repository

  •  114 Stars
  •  38 Forks
  •  3 Open Issues
  •   Updated  
View on GitHub

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Blink was added to AlternativeTo by Mutant on and this page was last updated .

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Official Links

AppStores & Other Links

Download from Mac App Store

Install from the command line

  • winget install -e --id AGProjects.Blink
  • flatpak install flathub com.icanblink.blink

Be careful what you paste into a terminal. Check what a command installs before running it.

What is Blink?

Blink is the best real-time communications client using the SIP protocol. You can use it with many SIP providers, on the LAN using Bonjour and with SIP2SIP, a free service.

  • OSX Integration (iCloud, iTunes, Address Book, Keychain, Voice Over)
  • Clear audio using Opus codec optimised for full spectrum audio
  • Telephony compatible codecs: AMR, G.711, G.722
  • Video calls using H.264, VP8 and VP9 codecs
  • Acoustic echo cancelation
  • Presence (SIP SIMPLE RLS and XCAP protocols)
  • Chat and File Transfers sessions (MSRP protocol)
  • Instant Messaging (SIP Message)
  • Screen Sharing (VNC protocol)
  • Multiparty conferencing (audio, chat and file transfers)
  • End-to-end chat encryption (OTR protocol)
  • End-to-end audio encryption (ZRTP protocol)
  • Corporate directory services (LDAP protocol)
  • OpenPGP support for SIP messaging
  • Compatible with telephony applications (dialpad, call hold, call transfer)
  • Fine-grained settings for SIP experts

Blink does not collect any data. Contacts accessed by Blink from system address-book are not uploaded to any servers.