Category

Sales, SDR & outbound

The 10x detective fox, magnifying glass raised, inspecting this shelf of tools.
Silo: best AI SDR tool · best outbound sales tool

AI SDRs, sales engagement, outbound personalization, LinkedIn automation, prospecting agents, and sales-enablement content for sellers.

Alta

AI GTM agents for outbound prospecting

Alta is an AI GTM System of Actions with a shared company knowledge layer and named agents: Katie for outbound prospecting, Alex for calling and inbound qualification, and Luna for revenue intelligence.

Apollo.io

B2B sales prospecting and engagement

Apollo.io is an AI sales platform that combines B2B contact and company search, intent and job-change signals, enrichment, sequences, calling, CRM workflows, analytics, AI research, and workflow automation.

Clay

GTM data and workflow orchestration

Clay is infrastructure to get data, run agentic workflows, and launch GTM plays, turning first-party, third-party, and web data into repeatable enrichment, research, scoring, routing, and activation workflows.

Dripify

LinkedIn automation and outreach

Dripify is a cloud-based LinkedIn automation and outreach platform that runs multistep LinkedIn campaigns with daily quotas, human-like timing, analytics, webhooks, and selected CRM/Zapier integrations.

lemlist

Multichannel outbound sales platform

lemlist is an outbound sales engagement platform spanning email, LinkedIn, SMS, calling, personalization, enrichment, sender management, and campaign analytics.

Swan AI

AI GTM workflow automation platform

Swan turns plain-English GTM instructions into workflows that research accounts, qualify leads, route signals, and draft outreach across your stack.

Instantly

Cold email at scale

Instantly is a cold email outreach and B2B lead platform built to send at scale while protecting deliverability, with unlimited email accounts and warmup under one plan.

Amplemarket

AI sales copilot combining intelligence and outreach

Amplemarket is an all-in-one B2B outbound sales platform that combines a 200M+ contact database, 100+ intent signals, multichannel sequences across email/LinkedIn/phone/WhatsApp, an AI copilot (Duo), and a deliverability suite in one workspace.

Artisan

Autonomous AI SDR agent "Ava"

Artisan sells Ava, an autonomous AI BDR that sources leads from a 250M+ B2B contact database, enriches across 22+ data sources, and runs multichannel outreach through to meeting booking.

HeyReach

Multi-account LinkedIn outreach for agencies

Cloud-based LinkedIn automation that rotates sends across many LinkedIn sender accounts, built for agencies managing 10-50+ profiles to stay within per-account caps.

Lavender

Real-time AI cold-email coach

Lavender is a Gmail/Outlook Chrome extension that scores cold emails 0 to 100 as you write, suggests AI rewrites, and pulls prospect context into a side panel for personalization.

Nooks

AI parallel dialer + virtual salesfloor

Nooks is an AI-powered parallel dialer that calls up to 5 numbers simultaneously, connecting reps only on live human pickups, wrapped in a virtual salesfloor where remote SDR teams dial together with live coaching.

Regie.ai

AI content + AI SDR workspace for outbound

Regie.ai is an AI-native sales engagement platform that bundles list-building, personalized copy, and a parallel dialer (up to 9 lines) into one workspace.

Salesforge

All-in-one cold email and LinkedIn outbound with unlimited mailboxes

Salesforge is a cold outreach platform combining email sequencing, native LinkedIn outreach, AI personalization in 20+ languages, unlimited mailbox warmup, and a unified reply inbox.

RocketReach

Contact-finder and data API for verified emails and phone numbers across 700M+ profiles.

RocketReach is a B2B contact intelligence platform that finds verified work and personal emails and phone numbers across a database of 700M+ professionals and 60M companies.

Crustdata

Real-time company and people data API

Crustdata is a real-time B2B data API exposing REST endpoints to search, enrich, and watch people and company records, plus bulk flat-file datasets.

FullEnrich

B2B waterfall enrichment, 25+ sources

FullEnrich is a B2B waterfall enrichment tool that finds verified work emails, personal emails, and mobile phone numbers by cascading across 25+ data providers in a single call.