Is there a free alternative to Sales Sling?

Yes — Adversus, GoDial, PhoneBurner offer free tiers or trials suitable for small teams and individuals.

Last updated: September 14, 2026

10 Sales Sling Alternatives Ranked by Real Users — Free Picks Included (2026)

Q: What are the best alternatives to Sales Sling?

The top-rated alternatives to Sales Sling are Adversus, GoDial, Calley. Compare all 10 alternatives at https://www.spotsaas.com/list/sales-sling-free-alternative.

Explore 10 alternatives to Sales Sling — vetted by our editors with real user reviews, pricing, and feature comparisons.

The 10 best free Sales Sling alternatives, summed up

Quick answer

If you're after a Sales Sling alternative, start with Adversus, GoDial and PhoneBurner. Adversus leads the list with a 5★ rating from real users. Compare all 10 on rating and pricing below.

Maybe Sales Sling costs too much, misses a feature you need, or just feels clunky. Whatever the reason, these 10 auto dialer software free alternatives are the picks worth a closer look. We order them by SpotScore, a mix of verified user satisfaction and market presence, plus ratings and pricing. Use the table to compare at a glance, then dig into each below.

Product	SpotScore	Rating	Pricing	Best for
AdversusEffortlessly reach your audience with Adversus.	—	★★★★★ 5(15)	FreeFree Trial · Subscription · Quotation Based	teams of all sizes
GoDialSimplify your voice communications with ease.	—	★★★★★ 5(1)	FreeFree Trial · Subscription	teams of all sizes
PhoneBurnerMaximize productivity and sales with PhoneBurner.	—	★★★★★ 4.74(238)	Freefrom $126 /User/Month	teams of all sizes
SIP CallerEffortlessly make outbound calls with SIP Caller.	—	Not yet rated	FreeFree Trial · Freemium · Subscription	teams of all sizes
ICTBroadcastElevate your call center operations effortlessly.	—	★★★★★ 4.67(3)	FreeFree Trial · One-time license · Quotation Based	teams of all sizes
Callback TrackerElevate customer engagement with AI-powered click-to-call.	—	Not yet rated	FreeFree Trial · Subscription	teams of all sizes
CallCenterHosting Predictive DialerStreamline your calls with predictive dialing.	—	Not yet rated	FreeFree Trial · Subscription · Quotation Based	teams of all sizes
TP Smart DialerStreamline your calls with TP Smart Dialer.	—	Not yet rated	FreeFree Trial · Quotation Based · Subscription	teams of all sizes
TalkChiefEffortless communication at your fingertips.	—	Not yet rated	FreeFree Trial · Subscription · Quotation Based	teams of all sizes
CalleyEffortlessly manage your business calls and leads.	—	★★★★★ 5(4)	FreeFree Trial · Freemium · Subscription	teams of all sizes

Adversus

Effortlessly reach your audience with Adversus.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

5.0

15 verified reviews

Add to compare

What is Adversus?

Adversus is an auto dialer that can be used to send message marketing texts and voice mail messages to subscribers at a specific time each day with a single click of a button. It can also be used to send messages to partners, affiliates and other individuals who have been provided messaging ...

GoDial

Simplify your voice communications with ease.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

5.0

1 verified reviews

Add to compare

What is GoDial?

GoDial is a voice communications program designed to be used with Windows PC and compatible voice modems. GoDial is a complete solution for modem and telephone communications. GoDial can take care of the details for user; dial the number, answer the incoming call, and save all data from that ...

PhoneBurner

Maximize productivity and sales with PhoneBurner.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.7

238 verified reviews

Add to compare

What is PhoneBurner?

Enhance your outbound productivity with PhoneBurner, a cloud-based power dialer and sales acceleration platform. Say goodbye to repetitive tasks and tedious workflows, and engage with up to 4x more contacts per hour. Use any phone or VOIP softphone for smarter and quicker dials from anywhere. ...

SIP Caller

Effortlessly make outbound calls with SIP Caller.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is SIP Caller?

SIP Caller is a cloud-based outbound auto-dialer for sales teams and call centers that already operate a SIP-compatible phone system and want to add automated outbound dialing without replacing their existing infrastructure. It registers as a remote extension on any SIP/RTP-compliant system and ...

ICTBroadcast

Elevate your call center operations effortlessly.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.7

3 verified reviews

Add to compare

What is ICTBroadcast?

ICTBroadcast is an auto dialer and call center platform built on the open-source Asterisk communications framework. It supports voice, SMS, fax, and email outreach with multiple dialing modes — progressive, predictive, power, and preview — as well as manual dialing via WebRTC web phones. ...

Callback Tracker

Elevate customer engagement with AI-powered click-to-call.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Callback Tracker?

Introducing Callback Tracker, an advanced click-to-call widget designed for businesses looking to boost customer engagement. With its AI-powered feature, this tool helps users connect with potential clients and capture their contact information as leads. Simply sign up, select the desired ...

CallCenterHosting Predictive Dialer

Streamline your calls with predictive dialing.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is CallCenterHosting Predictive Dialer?

CallCenterHosting Predictive Dialer is a hosted auto dialer for outbound call center operations running high-volume dialing campaigns across sales, collections, or telemarketing teams. It uses predictive algorithms to dial multiple numbers simultaneously and route answered calls to available ...

Free Trial·

CallCenterHosting Predictive Dialer offers custom pricing plan

TP Smart Dialer

Streamline your calls with TP Smart Dialer.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is TP Smart Dialer?

TP Smart Dialer is an auto dialer tool for outbound call center agents and sales teams that need to increase call volume without manually dialing each contact. It automates the dialing process and connects agents only to answered calls, reducing idle time between conversations. Detailed feature ...

TalkChief

Effortless communication at your fingertips.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is TalkChief?

TalkChief is an auto dialer platform for outbound sales teams and call centers looking to automate call sequencing and improve agent connect rates. It handles automated dialing workflows so agents spend more time in live conversations and less time manually dialing or waiting through rings. ...

Calley

Effortlessly manage your business calls and leads.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

5.0

4 verified reviews

Add to compare

What is Calley?

Calley is an auto dialer for Windows that simplifies the process of calling businesses and leads. This easy-to-use application makes it a snap to store, manage and call contacts with the click of a button, putting user back in control of business communication. Easily prevent unwanted ...

The main Sales Sling competitors

There are 10 direct Sales Sling competitors in Auto Dialer Software. The ones that come up most often are Adversus, GoDial and PhoneBurner. Each is compared against Sales Sling on rating, pricing and feature coverage below.

What else works like Sales Sling?

Searches for "sites like Sales Sling" and "apps like Sales Sling" land on the same shortlist as "Sales Sling alternatives" — the 10 options below cover both, whether you want a like-for-like replacement or something lighter.

Why each earned a place here

AdversusBest for teams of all sizes

User-friendly system with good data management and KPI measurement, supported by excellent customer service.

Watch for: Some users find the dialer interface not intuitive enough, especially for incoming calls.

GoDialBest for teams of all sizes

Complete voice solution

Watch for: Requires Windows PC

PhoneBurnerBest for teams of all sizes

Streamlines calling processes and acts as a full CRM, enhancing productivity and organization.

Watch for: Limited multi-line dialing capabilities, not suitable for telemarketing.

SIP CallerBest for teams of all sizes

ICTBroadcastBest for teams of all sizes

Callback TrackerBest for teams of all sizes

CallCenterHosting Predictive DialerBest for teams of all sizes

TP Smart DialerBest for teams of all sizes

TalkChiefBest for teams of all sizes

CalleyBest for teams of all sizes

Simplifies calling process

Watch for: Windows only

Why teams look for a Sales Sling alternative

Most Sales Sling alternative searches trace back to a short list of frustrations:

Limited advanced features
May require training
Not suitable for large teams

What to focus on in a Sales Sling alternative

What sets these 10 free alternatives apart, in the numbers: 10 offer a free tier; paid plans run $126, with PhoneBurner the cheapest entry point; and Adversus is the highest rated at 5★ across 15 reviews.

The logic behind the ranking.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

What are the best alternatives to Sales Sling?

The top-rated alternatives to Sales Sling are Adversus (5.0★), GoDial (5.0★), Calley (5.0★). Compare all 10 alternatives side-by-side above.

What features should I look for in a Auto Dialer Software alternative?

When evaluating alternatives to Sales Sling, prioritize: Predictive Dialer, Lead Management, Call Recording, Call Scripting, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

How difficult is it to migrate from Sales Sling to an alternative?

Migration difficulty depends on how deeply Sales Sling is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend narrowing to 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

Deciding on the right Sales Sling alternative

On a budget / just exploring: start with a free tier — Adversus, GoDial and PhoneBurner let you evaluate without paying upfront.
If real-user ratings matter most: Adversus has the strongest star rating (5★) among the options with verified reviews.

Switching from Sales Sling

Replacing Sales Sling is easiest when you plan the data move first. Export your records, confirm the new tool imports them, and verify your key workflows hold. Pilot the switch free, then migrate fully, keeping Sales Sling open as backup until you're settled.

Compare top products

Adversus

Calley

Adversus

GoDial

Adversus

CallCenterHosting Predictive Dialer

Callback Tracker

TalkChief

ICTBroadcast

Calley

SIP Caller

ICTBroadcast

TalkChief

GoDial

SIP Caller

Adversus

PhoneBurner

About the reviewer

Rajat Gupta

Rajat Gupta is the founder of Spotsaas. Over the past two years, he has reviewed 2,000+ tools across CRM, HR, AI, and finance — applying hands-on product research and a background in commerce and the CFA program to evaluate software through a business and ROI lens. His goal: help teams make software decisions they won't regret.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

10 Sales Sling Alternatives Ranked by Real Users — Free Picks Included (2026)

The 10 best free Sales Sling alternatives, summed up

Adversus

Effortlessly reach your audience with Adversus.

GoDial

Simplify your voice communications with ease.

PhoneBurner

Maximize productivity and sales with PhoneBurner.

SIP Caller

Effortlessly make outbound calls with SIP Caller.

ICTBroadcast

Elevate your call center operations effortlessly.

Callback Tracker

Elevate customer engagement with AI-powered click-to-call.

CallCenterHosting Predictive Dialer

Streamline your calls with predictive dialing.

TP Smart Dialer

Streamline your calls with TP Smart Dialer.

TalkChief

Effortless communication at your fingertips.

Calley

Effortlessly manage your business calls and leads.

The main Sales Sling competitors

What else works like Sales Sling?

Why each earned a place here

Why teams look for a Sales Sling alternative

What to focus on in a Sales Sling alternative

Frequently Asked Questions (FAQs)

Deciding on the right Sales Sling alternative

Switching from Sales Sling

Compare top products

Adversus

Calley

Adversus

GoDial

Adversus

CallCenterHosting Predictive Dialer

Callback Tracker

TalkChief

ICTBroadcast

Calley

SIP Caller

ICTBroadcast

ICTBroadcast

TalkChief

GoDial

SIP Caller

Adversus

PhoneBurner

Research Popular Software and Services

About the reviewer