#1Top pickFree option
Lead enrichment spreadsheet with Claygent, an AI web research agent
Clay is a data enrichment platform that pulls company and contact data from many providers into one table and lets AI agents research each row. Its agent, Claygent, browses the web to answer custom questions about a lead or account. Teams use it to build lead lists, score accounts and feed personalized data into outreach tools.
Why it's here
- +Waterfall enrichment across many providers
- +Claygent included on every plan, free too
- +Bring your own API keys
Watch out for
- −Steep learning curve
- −Credits burn fast on big lists
- −Does not send outreach itself
Free · from $167/moTask agent
#2Free option
B2B contact database and sequencer with background AI agents
Apollo.io is a sales platform that combines a B2B contact database, email sequencing, a dialer and AI features. Its AI Assistant can run agents in the background to research accounts and build prospecting workflows. A free plan with no time limit exists, and paid tiers add higher credit limits and AI features.
Why it's here
- +Large database plus sending in one place
- +Usable free plan
- +Integrates with major CRMs
Watch out for
- −Free plan connects Gmail only
- −Credit limits push you to paid tiers
- −AI features gated to higher plans
#3Free option
Signal-based outbound with AI copywriting, data and a dialer
Unify is an AI prospecting platform that combines B2B data, intent signals, multichannel sequences and a dialer. You can run outbound from a single chat interface, and plays trigger outreach when signals like job changes or hiring appear. A free plan covers up to three seats with limited credits.
Why it's here
- +Free plan with sequencing and dialer
- +Low per-seat price
- +Signals and data built in
Watch out for
- −CRM write-back only on Business
- −Website intent needs the top tier
- −Managed mailboxes cost extra
Free · from $20/moTask agent
#4
Pay-per-prospect AI SDR for email and LinkedIn outbound
AiSDR is an AI sales development platform whose agent, Ami, builds, runs and refines B2B outbound campaigns. It prospects from a large contact database with buying signals, writes researched email and LinkedIn messages, and classifies replies in a unified inbox. Self-serve billing is pay as you go per person prospected, with no monthly fee.
Why it's here
- +No monthly minimum on self-serve
- +Waterfall enrichment across many data providers
- +Warmup and lookalike domains to protect your main domain
Watch out for
- −Per-contact cost adds up at volume
- −Two-way sync is strongest with HubSpot
- −Managed service is expensive
#5
Cold email at scale with AI sales, reply and research agents
Instantly is a cold email platform that sends from unlimited mailboxes with built-in warmup and adds AI agents on top. Its AI Sales Agent, AI Reply Agent and web researcher agent help find leads, write emails and answer replies. Outreach and the lead database are sold as separate plans or bundles.
Why it's here
- +Unlimited email accounts and warmup
- +Low entry price
- +Agents can draft and handle replies
Watch out for
- −Pricing split across several products
- −Easy to over-send and hurt deliverability
- −AI agents sit in higher bundles
#6
Outbound platform with Duo AI agents for signals, copy, voice and replies
Amplemarket is a B2B sales platform with built-in contact data, multichannel sequences and a family of AI agents called Duo. Duo watches buying-intent signals, researches prospects, writes personalized emails, sends AI voice messages and drafts replies to prospects. Plans start with two users on an annual term.
Why it's here
- +Data, sequencing and AI in one tool
- +Intent signals included on all plans
- +Free trial on every plan
Watch out for
- −Annual commitment from the entry plan
- −Voice and inbox agents only on higher tiers
- −Pricey for a solo founder
#7
Cold email platform with Agent Frank, an autonomous AI SDR
Salesforge is a cold outreach platform for email and LinkedIn that also sells Agent Frank, an autonomous AI SDR. The base product handles sequences with unlimited email senders, while Agent Frank prospects, writes and sends outreach for you. Agent Frank requires a demo and is priced separately from the self-serve plans.
Why it's here
- +Cheap self-serve entry point
- +Unlimited email senders on every plan
- +Clear published price for the AI SDR
Watch out for
- −Agent Frank needs a demo and quarterly billing
- −Email infrastructure is an extra cost
- −Cold email volume still carries domain risk
#8
Inbound AI SDR that chats with site visitors and books meetings
Piper is an AI SDR agent from Qualified that converts inbound website visitors and leads into sales meetings. It talks to visitors over chat, voice or video, follows up by email, books meetings when interest is high and notifies the team in Slack. It is built around Salesforce and sits alongside Qualified's conversational marketing platform.
Why it's here
- +Works on inbound, so no cold-email domain risk
- +Chat, voice and video on the website
- +Deep Salesforce integration
Watch out for
- −Enterprise pricing, not for tiny sites
- −Needs traffic to be useful
- −Not an outbound prospecting tool
#9
AI sales agent that answers inbound leads and books calls
SalesAPE AI is a service that deploys AI sales agents to respond to inbound leads over email, SMS, chat and WhatsApp. The agents qualify leads, answer questions, book sales calls and sync conversation notes into your CRM in real time. Pricing is quoted per business after a call.
Why it's here
- +Replies on the channels leads actually use
- +Real-time CRM sync
- +Free test before buying
Watch out for
- −No published pricing
- −Inbound only, no prospecting
- −Custom setup rather than self-serve
#10
AI text and voice agents that work real estate leads for you
Ylopo is a real estate marketing platform whose AI Text and AI Voice agents follow up with buyer and seller leads. AI Voice calls leads as your assistant, qualifies timeline and budget, and warm-transfers ready prospects. It works alongside your existing CRM, and pricing is quoted by market and team size.
Why it's here
- +Text and voice follow-up
- +Warm transfers to the agent
- +Keeps your existing CRM
Watch out for
- −No public pricing
- −Ad spend on top of the subscription
- −Most valuable at higher lead volumes
#11
AI inside sales agent for calls, texts and email follow-up
Structurely is a conversational AI platform that handles calls, texts and emails to qualify leads, book appointments and transfer hot leads to staff. Real estate and mortgage teams are core use cases, and it syncs outcomes back to the CRM. Plans need a sales call, with usage from $0.07 per voice minute.
Why it's here
- +Voice, SMS and email in one agent
- +Live transfers to staff
- +Salesforce dialer and CRM sync
Watch out for
- −Platform fee not published
- −Usage metered on top
- −Setup needs a sales process
#12
Real estate CRM with AI sales, social and homeowner agents
Lofty is a real estate platform that combines a CRM, IDX websites, lead generation and a set of AI agents. Its Sales Agent captures, qualifies and nurtures leads and books appointments 24/7, while other agents spot likely sellers and run social posting. It serves solo agents through large brokerages.
Why it's here
- +CRM, website and AI agents in one place
- +Several specialized agents
- +Scales to brokerages
Watch out for
- −Overkill for a solo agent with few leads
- −No free trial
- −Switching CRMs is a big project
#13
AI sales reps for outbound (Alice) and inbound follow-up (Julian)
11x is an AI sales platform that sells digital workers for outbound and inbound pipeline. Alice runs outbound prospecting and multichannel sequences, while Julian handles inbound speed-to-lead, meeting booking and expansion. Voice, chat, email, social and SMS/WhatsApp agents sit on top of built-in lead data and deliverability tools.
Why it's here
- +Separate agents for outbound and inbound
- +Voice agent alongside email and social
- +Syncs with HubSpot, Salesforce and Pipedrive
Watch out for
- −No self-serve plan or public price
- −Annual contract sales motion
- −Overkill for a founder sending a few hundred emails
#14
Ava, an AI BDR that finds leads, writes outreach and books meetings
Artisan is a company that builds AI employees for go-to-market teams, starting with Ava, an AI BDR. Ava finds and enriches B2B leads, writes and sends personalized emails, handles replies and books meetings. Artisan bundles data, enrichment, deliverability, sequencing, a dialer and intent signals into one platform.
Why it's here
- +Lead data and sending in one product
- +Handles replies and booking, not just first touch
- +Plans for startups through enterprise
Watch out for
- −Prices not published
- −Email-led; less suited to phone-heavy sales
- −You still need to own messaging and domain health
#15Free option
AI prospecting, research, drafting and a parallel dialer with a free tier
Regie.ai is a sales prospecting platform that combines AI agents, enrichment and a parallel dialer. You describe your ideal customer, it finds matching buyers, surfaces dated buying signals and drafts outreach in your voice. Every plan includes a built-in CRM, and paid plans add a dialer that calls up to five lines at once.
Why it's here
- +Real free plan, no card needed
- +Parallel dialer included from Pro
- +You only pay for enrichment that finds data
Watch out for
- −Rep stays in the loop; less hands-off than a full AI SDR
- −Team plan has a two-seat minimum
- −Credit math takes some getting used to
Free · from $49/moTask agent