12 Free Sales Sling Alternatives Ranked by Real Users (2026)

What is Truly?

Truly is real-time customer engagement software. Its architecture gives you the speed and capacity to serve thousands of customers, while delivering a consistent, consumer-grade experience. Truly's patented Real-time application suite continuously connects a customer to several Engagement ...

What is LeadDesk?

Introducing LeadDesk, the ultimate call center software designed to boost sales and improve customer service. With its auto and predictive dialer modes, you can triple your outbound calling volume and increase revenue. Switching to LeadDesk allows your agents to swiftly reach consumers in any ...

What is TeleCRM?

TeleCRM, with the catchphrase "Revolutionize your sales game with TeleCRM," is a state-of-the-art telecalling sales and automation app. It outshines its sluggish competitors by automating 40% of the calling process. This CRM's autodialer enables employees to make 500 calls a day and ...

What is Leadtosale?

Leadtosale is an inbound call tracking software that helps companies successfully answer phone calls from customers. With Leadtosale, track, manage and measure every call coming in. Call tracking systems are useful for companies that want to improve their customer care, increase sales and ...

What is LeadsRain?

LeadsRain is an Operations Software for contact centers and help desks that dials out to leads and tracks responses for a wide range of businesses, such as Home Improvement, Telecommunications, Insurance, Gambling. Operations is one of the key levers for successful lead generation campaigns. ...

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 ...

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. ...

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 ...

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. ...

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 ...

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 ...

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. ...