Seamless.AI alternatives

Tools that do what Seamless.AI does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Seamless.AI.

Read 2026-10-16 · Seamless.AI itself: Free plan · From $1/user/mo

With a free plan or free to use: Lemlist Agent, Amplemarket, Oppora AI, Reply.io.

10 alternativesUnlike Seamless.AI

#1
Lemlist Agent Sales
Finds prospects, enriches contact data, and automates multichannel outreach campaigns across email, LinkedIn, calls, and SMS.
Costs moreAlso: Agents, Data extraction
23.4k
Active
From $55/user/mo
2018
#2
Artisan Sales
Identifies B2B leads, sends personalized multi-channel outreach, and books meetings autonomously for sales teams.
Also: Agents, Workflow automation
48.6k
Active
Contact sales
#3
ZoomInfo Sales MCP · sign-in
Sales intelligence platform with a database of companies and contacts, buying signals and prospecting tools.
More widely used
7.3M
Active
Contact sales
2000
#4
Nooks Sales
Runs AI agents across outbound, inbound, deal management and coaching to automate prospecting, dialing, and rep performance.
Also: Agents, Workflow automation
36.6k
Active
Contact sales
#5
Amplemarket Sales
Generates personalized multichannel sales sequences and identifies buyer signals to automate outreach at scale.
Also: Workflow automation, Agents
10.9k
Active
From $600/mo
2019
#6
Crono Sales
Orchestrates sales execution by connecting CRM, email, and sales tools with AI agents to prioritize accounts and automate outreach workflows.
Costs moreAlso: Workflow automation, Agents
1.4k
Active
From $79/user/mo
#7
traxy Sales
Scans LinkedIn engagement to find leads matching your ideal customer profile and sends personalized outreach automatically.
Also: Workflow automation
3
Active
From $149/mo
2025
#8
Instantly Sales
Finds leads, creates and sends personalized cold email campaigns, and automates sales outreach at scale.
Also: Workflow automation, Agents
57.6k
Active
From $47/mo
2019
#9
Oppora AI Sales
Finds leads, sends personalized emails, and books meetings automatically using AI sales agents.
Also: Agents, Workflow automation
15.2k
Active
From $7/mo
#10
Reply.io Sales
Sends personalized cold emails and LinkedIn messages at scale with AI-generated sequences and automated follow-ups.
Costs moreAlso: Workflow automation, Agents
36.2k
From $49/user/mo
2014

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How this list is made: the words Seamless.AI is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.