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About

CallSine is an autonomous, agent-powered outreach and sales-engagement platform that researches prospects deeply, scraping websites, LinkedIn profiles, and company information, to deliver hyper-personalized messaging at scale. It uses a multi-agent pipeline built on retrieval-augmented generation to ingest your sales and marketing assets, understand your value proposition, generate individualized emails, LinkedIn messages, or calls, and orchestrate deployment across channels with timing and cadence tailored to each prospect. CallSine doesn’t rely on basic templating; instead, it builds context-rich outreach by combining deep prospect insight, branded content, and automated follow-ups driven by behavioral cues. It also provides analytics and AI coaching to monitor engagement, refine messaging, and adapt strategy based on responses or lack thereof.

About

ProspectLines.ai revolutionizes B2B sales outreach with AI-powered personalization that actually works. Our platform analyzes prospects' complete digital footprints—company news, social posts, GitHub activity, conference talks—and generates strategic opening lines in seconds. Key Features: • CSV bulk processing for entire prospect lists • 3-5 unique opening lines per prospect with source citations • PQS (Personalization Quality Score) to select the best line • Real-time data from multiple sources • CRM and email platform integrations Results: • 95% time reduction (10 min → 30 sec per prospect) • 2-3x higher response rates (4-6% vs 1.5% average) • 40% more meetings with decision-makers Perfect for SDRs, AEs, recruiters, founders, and anyone doing B2B outreach. Stop sending generic "I see you work at X" messages. Start conversations that convert. Try free - no credit card required.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Sales and marketing teams in B2B organizations wanting a tool to scale personalized prospect outreach, automate their top-of-funnel pipeline, and boost conversion without adding headcount

Audience

B2B sales professionals, SDRs, account executives, sales managers, startup founders, recruiters, partnership managers, lead generation agencies, consultants, and any professional who needs to initiate meaningful business conversations at scale. Industries include SaaS, technology, professional services, recruiting, and B2B marketing.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$99 per month
Free Version
Free Trial

Pricing

$0
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

CallSine
Founded: 2021
United States
callsine.com

Company Information

ProspectLines.ai
Founded: 2025
Canada
prospectlines.ai/

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Categories

Categories

Integrations

Lead Onion
LinkedIn
RB2B
Snitcher

Integrations

Lead Onion
LinkedIn
RB2B
Snitcher
Claim CallSine and update features and information
Claim CallSine and update features and information
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