Best Alternatives to Seamless.AI

11x is an AI Growth Company that ships digital workers — Alice for outbound sales and Julian for inbound qualification — that automate the SDR job end-to-end, backed by a16z and Benchmark with $70M+ raised.

From ~$5,000/month

Advanced marketing automation platform with an integrated CRM, AI-powered personalization, and behavior-triggered workflows for growing businesses.

From From $15/month

Apollo combines a 265M+ B2B contact database with AI-powered prospecting, multi-channel sequence automation, and revenue analytics to accelerate sales development from lead discovery through closed deals.

Baidu's AI assistant powered by ERNIE 4.5 and X1 models. China's leading AI platform with deep Chinese language understanding, Baidu ecosystem integration, and API access. Free tier available, API from $0.28/1M tokens.

From Freemium

Leading automated scheduling platform that eliminates back-and-forth emails by letting others book meetings directly from your real-time calendar availability.

From Free

AI-powered pipeline intelligence platform that connects ad platforms directly to CRM data, enabling B2B marketing teams to optimize campaign spend, automate ad execution, and increase pipeline revenue by attributing real SQL and opportunity outcomes to specific campaigns and keywords.

From $79/month

Coframe uses AI to continuously and autonomously optimize website and app UI copy, images, and components through automated A/B testing. Unlike traditional CRO tools that require manual hypothesis creation and variant design, Coframe's AI engine generates content variations, deploys them to live traffic, measures performance, and iterates—all without human intervention. It integrates via a lightweight JavaScript snippet and supports major platforms including React, Next.js, Webflow, and WordPress, enabling teams to improve conversion rates with minimal engineering effort.

AI-powered real estate platform that automates property valuations, market analysis, and marketing campaigns to enhance real estate agent productivity and client service.

From Commission-based (70/30 split)

All-in-one customer messaging platform that combines live chat, email, and social media support with AI agents, CRM, and marketing automation features.

AI-powered Answer Engine Optimization (AEO) platform with five core modules and six specialized AI Marketing Agents that tracks and optimizes visibility across AI search engines like ChatGPT, Claude, Perplexity, and Google AI.

Drift is a conversational marketing and sales platform, now part of Salesloft, that uses AI-powered chatbots and live chat to qualify leads, book meetings, and accelerate B2B sales cycles.

Revenue AI platform that records and analyzes every sales call, email, and meeting to surface deal risks, coach reps, and forecast revenue — trusted by 5,000+ companies including the majority of the Fortune 10.

From ~$1,600/user/year + platform fee

HubSpot's built-in AI suite — Breeze Copilot, Breeze Agents, and Breeze Intelligence — that automates marketing, sales, and service workflows using your CRM data.

From Free

Email finder and verifier for sales, recruiting, and outreach teams that need accurate professional contact data.

From Free

Leading open-source Python framework for building AI research agents that autonomously investigate topics, analyze multiple sources, and generate comprehensive reports.

From Free

AI email coaching platform for sales reps that scores emails in real-time, suggests improvements for reply rate optimization, and provides personalization insights from prospect data.

Agentic integration infrastructure platform that enables AI agents and software to connect to apps, CRMs, databases, and tools through a unified integration layer.

AI-powered revenue workflow platform with sales engagement, AI agents, deal management, conversation intelligence, forecasting, and pipeline management for go-to-market teams.

From Official paid pricing is custom quote only; third-party pricing benchmarks report Outreach starting around $100/user/month, but Outreach does not publish exact paid list prices.

AI-powered prospecting platform that enriches contacts, scores leads, and automates personalized outreach campaigns for sales teams.

AI-powered agentic marketing platform that uses Piper, an AI SDR agent, to engage website visitors, qualify leads using Salesforce data, and book sales meetings in real time.

AI-powered real estate assistant platform that engages website visitors through intelligent conversations, lead qualification, and brokerage-focused follow-up workflows.

From $0 forever; paid plans from $299/month quarterly or $349/month monthly

Comprehensive AI-powered social media management platform combining publishing, engagement, listening, analytics, and review management with advanced automation and MCP integration for teams and agencies.

From $79/month

AmpUp is an AI sales coaching platform that records and analyzes sales calls, then provides pre-call briefs, post-call coaching and roleplay practice built from real objections.

From $37/seat/month