Software Alternatives, Accelerators & Startups

Slingshot VoIP

Cloud communications service provider that offers Business VoIP and Virtual PBX solutions to small...

Some of the top features or benefits of Slingshot VoIP are: Cost-Effective, Scalability, Flexibility, Feature-rich, and Easy Installation. You can visit the info page to learn more.

Best Slingshot VoIP Alternatives & Competitors in 2025

The best Slingshot VoIP alternatives based on verified products, community votes, reviews and other factors.
Filter: 6 Open-Source Alternatives. Latest update:

  1. 23

    RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies.

    Key RingCentral features:

    Comprehensive Features Scalability Easy Integration Reliable Uptime

    Open Source freemium $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)

    /ringcentral-alternatives
  2. 14

    Virtual phone system that lets you run your business from anywhere.

    Key MightyCall features:

    Ease of Use Affordability Call Quality Scalability

    /mightycall-alternatives
  3. VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

    Key VoIPstudio features:

    Call Recording Call Forward Call Analytics and Reporting Call Conferencing

    Try for free paid Free Trial $4.99 / Monthly (User)

    Try for free
  4. 10

    Line2 adds a second phone number or complete cloud business phone system to smartphones & computers that's robust yet affordable. Buy online or get a custom quote.

    Key Line2 features:

    Multiple Numbers on One Device Cross-Platform Compatibility Affordable Pricing Advanced Call Features

    /line2-alternatives
  5. 16

    The Cloud Phone System of choice for modern sales and support teams. We help end clueless conversations by adding context to every call.

    Key JustCall features:

    Ease of Use Integration Capabilities Global Calling Automation Features

    paid $30.0 / Monthly

    /justcall-alternatives
  6. Google Voice gives you one number for all your phones, voicemail organized in an email format, free...

    Key Google Voice features:

    Cost-effective Integrations Unified Number Voicemail Transcription

    /google-voice-alternatives
  7. Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

    Key Skype features:

    Cross-platform availability Integration with Microsoft services Free video and voice calls Screen sharing

    /skype-alternatives
  8. Call Me Private masks your phone number behind a virtual number, for privacy, or for a professional...

    Key Call Me Private features:

    Anonymity Ease of Use Affordability Flexibility

    /call-me-private-alternatives
  9. VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

    Key VoIPstudio features:

    Call Recording Call Forward Call Analytics and Reporting Call Conferencing

    Try for free paid Free Trial $4.99 / Monthly (User)

    /voipstudio-alternatives
  10. YouMail turns visual voicemail into a personal assistant for handling all your missed calls.

    Key YouMail features:

    Call Blocking Visual Voicemail Automatic Spam Identification Custom Greetings

    /youmail-alternatives
  11. Read, play and manage voicemail and missed calls on your smartphone, PC, tablet & email.

    Key HulloMail features:

    Ease of Use Visual Voicemail Voicemail Transcription Cloud Storage

    /hullomail-alternatives
  12. Switch is a cloud-based phone system built for Google Apps users.

    Key Dialpad features:

    Unified Communications AI-Powered Features Mobile and Desktop Compatibility Integration Capabilities

    /dialpad-alternatives
  13. Use your iPhone, iPad or iPod touch to make and receive calls using your 8x8 Virtual Office phone...

    Key 8x8 Virtual Office features:

    Integration Capabilities High Call Quality Global Reach Comprehensive Feature Set

    /8x8-virtual-office-alternatives
  14. Wireless business phone system built for sales and support team.

    Key Truly Wireless features:

    Portability Ease of Installation Aesthetics Freedom of Placement

    /truly-wireless-alternatives
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