11x (Alice)
An autonomous outbound worker ("Alice") that researches leads against an ICP, writes personalized copy, and runs multi-channel sequences (email, phone, social, SMS) through to meeting booking.
Run an email sequence
Enroll contacts in a multi-step cadence and send it. The execution step, not the writing step.
45 listings. Catalog build: 2026-10-17.
Which tool fits this job?
Compare the tools below against the input you have, the output you need, and the systems you already use. This list includes tools with and without MCP support.
These matches come from recorded vendor claims. They are a shortlist to investigate, not a performance ranking. A tool's overall test label does not prove it was tested for this task.
Questions this page helps you explore
- Send sequenced outreach
- Put these people in a cadence
- Run a cold email campaign
- Enroll contacts in a sequence
- Start an email sequence
Before you choose
- Check the stated capability against the exact result you need.
- Confirm coverage, freshness, limits, and total cost in the current vendor documentation.
- Test a small sample from your own workflow before committing.
- If an agent will do the work, check API or MCP access separately.
Listings are alphabetical. Open a record for dated sources and research notes.
Read this solution shortlist as JSONAiSDR
An AI sales agent that researches prospects via "Live AI search," writes and sends personalized email/LinkedIn outreach, qualifies replies, and books a meeting only once a prospect is judged ready.
Amplemarket
An all-in-one sales engagement platform that finds leads, runs multichannel outbound sequences (email/social/phone/voice), and optimizes email deliverability.
Amplemarket (Duo Copilot)
An all-in-one sales platform (lead gen + multichannel engagement + deliverability) with an AI agent layer ("Duo Copilot") that detects buying signals, writes and A/B-tests email copy (including AI voice-cloned voice notes), runs multichannel sequences, and suggests meeting follow-ups.
Apollo.io
A combined B2B contact database (265M+ contacts) and sales engagement platform in one product - prospect search/filtering, email and call sequencing, and contact/organization enrichment.
Apollo.io Sequences (Emailer Campaigns)
Apollo's outbound-sequencing feature - multi-step, multi-channel (email/call/task) cadences that enroll contacts pulled from Apollo's prospecting database and track send/reply state.
Artisan AI (Ava)
An AI agent ("Ava") that finds and enriches B2B leads, writes and sends personalized outreach, handles replies, and books meetings - marketed as running outbound "end to end."
Conversica
AI agents that conduct two-way conversations (email, SMS, chat, messaging apps) to research/qualify leads from events, ads, and inbound inquiries, send personalized follow-ups, and book meetings; also runs customer-service and renewal/upsell conversations.
Expandi
Cloud-based LinkedIn (+ email) outreach automation tool that runs connection/message sequences from a dedicated cloud IP per LinkedIn account.
Groove
Salesforce-native sales engagement and prospecting platform - multichannel outbound automation and activity capture - operated as a module of the Clari revenue platform since its 2023 acquisition.
HighLevel (GoHighLevel)
An all-in-one agency CRM covering contacts, pipelines, conversations, calendars, payments and campaign automation across many client sub-accounts from one place.
HubSpot
An all-in-one CRM/marketing/sales/service platform with contacts, deals, marketing automation, and a public REST API/developer platform.
HubSpot (AI Forecasting)
HubSpot's forecasting tool inside Sales Hub/Service Hub, turning pipeline data into revenue predictions via weighted-pipeline calculations plus an "AI forecasting" layer shown in-product. See 06-revops-infra.md for HubSpot's full platform entry (Breeze AI agents, official MCP servers, free API tier) - this entry covers only the forecasting-specific angle.
HubSpot Breeze (AI Prospecting Agent)
Monitors accounts for buying signals (funding, leadership changes, site visits) via integrated data providers (ZoomInfo, Apollo, Surfe, Seamless), identifies decision-makers, and drafts personalized outreach emails in a rep's voice; can send with human review or in a fully autonomous send mode. Does not book meetings itself - it hands off qualified leads to reps.
Instantly
Cold email sending platform providing mailbox infrastructure, warmup, deliverability management, sequencing, and lead sourcing.
Klenty
Sales engagement platform for multichannel outbound (email, cold calling, SMS) with CRM integrations (Salesforce, HubSpot, Pipedrive, Zoho, MS Dynamics).
Klenty
A sales engagement platform whose AI layer ("Agentic Cadences") researches accounts across 150+ data sources, drafts tailored 1:1 emails and value propositions per account, and suggests next actions after sales conversations ("Action AI").
La Growth Machine
Multi-channel prospecting platform that sequences outreach across LinkedIn, email, Twitter/X, and voice notes/calls from one campaign builder, with built-in lead enrichment.
lemlist
Multichannel sales engagement platform combining lead database/enrichment, email/LinkedIn/call/SMS sequencing, and a unified inbox.
Luru
An AI SDR platform per its current site copy - lead discovery/enrichment with intent signals, personalized multi-channel outreach (email, LinkedIn, phone), objection handling, and meeting booking.
Mailshake
Sales engagement platform for automated email outreach campaigns with CRM integration and lead management.
Mixmax
Gmail-native sales engagement layer that runs email sequences, tracking, calendaring and meeting notes from inside the inbox.
Ortto
A combined customer data platform and marketing automation tool for building multi-channel journeys across email, SMS, push, in-app and live chat.
Outplay
Multi-channel sales engagement platform (email, phone, social, SMS) with an AI SDR product layered on top.
Outreach
Sales engagement platform for building, running, and tracking multichannel outbound sequences (email, call, social) and rep activity, tied into a CRM.
Overloop
Sales engagement and lead-gen platform for finding, verifying, and contacting B2B prospects via automated email and LinkedIn campaigns.
Qualified
Website chat/pipeline-generation platform built for account-based and inbound motions - its "Piper" AI SDR agent engages known target-account visitors in real time, qualifies them, and books meetings, then follows up over email and Slack.
Qualified (Piper)
A conversational AI agent ("Piper") that engages inbound website visitors in real time (text/voice/video chat), sends follow-up nurture emails, and books meetings for qualified visitors.
QuickMail
Cold email and LinkedIn outreach automation tool sent from users' own mailboxes, with inbox rotation and reply management.
Regie.ai
An AI agent that sources prospects and buying signals, writes messages trained on the user's voice/pitch, and runs multi-channel (email, LinkedIn, phone) sequences with automated follow-up.
Reply.io
Multichannel sales engagement platform for email, LinkedIn, call, and SMS outreach with an AI SDR product layered on top.
Reply.io (Jason AI)
A multichannel sales engagement platform whose AI layer ("Jason AI," per widely reported branding) generates outreach emails/follow-ups and automates sequencing across email, calls, and tasks.
Salesforge
Multi-channel cold outreach platform (email + LinkedIn) with an AI SDR product ("Agent Frank") layered on top of standard sequencing.
Salesforge (Agent Frank)
An AI agent ("Agent Frank") that prospects, writes tailored outreach, sends across email and LinkedIn, manages follow-up sequences, and books meetings - positioned to either join a human team or fully replace one rep.
Salesloft
Sales engagement platform (merged with Clari in Dec 2025) for multichannel outbound cadences, call/email execution, and rep activity tracking that feeds forecasting.
Seamless.AI
A B2B contact and company database/prospecting tool that lets users search and pull emails, phone numbers, and firmographic data from a claimed 1.9B+ contact / 121M+ company index, plus basic list-building, outreach/campaign sending, and CRM sync.
Smartlead
Cold email outreach platform for managing campaigns across many mailboxes, with built-in deliverability infrastructure and a unified reply inbox.
Snov.io
A B2B prospecting and outreach platform - finds and verifies emails/contacts, enriches company and contact records, manages prospect lists and a lightweight CRM, and runs email drip campaigns plus LinkedIn outreach actions.
Super Send
Cold email sequencing platform providing dedicated, warmed sending infrastructure with adaptive pacing based on live deliverability signals.
Tofu
A campaign-automation platform ("Agentic GTM") that runs always-on, personalized outbound/nurture/re-engagement campaigns inside an existing CRM and sales-engagement stack, rather than acting as a standalone prospecting agent.
Unify
A hybrid signals-plus-agent platform: AI agents build targeted account/prospect lists from 40+ data sources, write personalized outbound copy, and run multi-channel sequences triggered by intent signals ("plays").
Waalaxy
Chrome-extension-based LinkedIn (+ email) prospecting tool that automates invitations, messages, and multi-step campaigns, with a built-in prospect finder.
Warmly
A website-visitor de-anonymization and intent platform that identifies companies (and increasingly named individuals) visiting a customer's site from IP/behavioral signals, then enriches those visitor records with firmographic and contact data for follow-up.
Warmly (Warmly.ai)
De-anonymizes website visitors at the person and company level from site traffic, and aggregates first-party (web/product/CRM), second-party (social/job-change), and third-party (Bombora intent, keyword research) signals into a unified account/contact view.
Woodpecker
Cold email and LinkedIn outreach automation tool with inbox rotation, adaptive sending, and centralized reply management.