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Marc Gasser

GTM & AI Tools

My shortlist from 1,000+ hours of review work: featured picks and tools rated 4.0+ only, no affiliate rankings. Plus the market data that matters before you buy: headcount trend, team, region and pricing.

Market insights across 96 tools (87 with headcount trend). Median 12-month growth: +15%. Fastest-growing cluster: "Chat & Assistants" at median +59%; slowest: "Writing & Content" at +2%. Most mature: "Video & Audio" at ~97 employees median.

Top 10 growth

Growth by cluster

Median 12m

Click to filter Top 10

7 tools
Sales Intelligence
Apollo: AI Sales Intelligence & Account ResearchFeatured
AI Sales Intelligence & Account Research

Apollo

Apollo combines B2B data and outreach in a single platform. It replaces expensive individual solutions, efficiently finds decision-makers, and accelerates sales success through automation.

5.0 / 5
Aviso: AI Sales Intelligence & Account ResearchFeatured
AI Sales Intelligence & Account Research

Aviso

Aviso solves CRM gaps with Agentic AI: AI agents automate workflows and forecasts. The result: 36% more revenue per salesperson and shorter sales cycles.

5.0 / 5
SetSail: AI Sales Intelligence & Account ResearchFeatured
AI Sales Intelligence & Account Research

SetSail

SetSail solves incomplete CRM data problems through AI analytics. The solution delivers real-time insights into deals and meetings, boosting performance and replicating top results.

5.0 / 5
ActiveIQ: AI Sales Intelligence & Account ResearchFeatured
AI Sales Intelligence & Account Research

ActiveIQ

ActiveIQ uses AI-based digital fingerprinting for energy and industrial sales to identify purchase intentions, qualify leads, and specifically increase sales.

4.5 / 5
AI Ark: AI Sales Intelligence & Account ResearchFeatured
AI Sales Intelligence & Account Research

AI Ark

Problem: Inaccurate B2B brochure search. Solution: AI Ark uses AI lookalike and semantic search with current data. Result: Precise lists (95% + ICP), +30— 50% reach.

4.5 / 5
Sybill: MeetingsFeatured
Meetings

Sybill

Sybill automates CRM maintenance and follow-ups, saves 14 hours per week and accelerates deals through an AI that thinks like a salesperson.

4.5 / 5
Unify: Intent DataFeatured
Intent Data

Unify

Unify recognizes purchase intent and automates personalized outbound campaigns — so your team wins more appointments with less effort.

4.5 / 5
The next step

A tool is not a system.

The most common mistake after product-market fit: buying tools and hoping for scale. What's missing is the system behind them: processes, data and AI agents working together. I call it Get Multiplayer: a few pros plus AI agents, three instead of thirty.

Start here: How to get started with AI in B2B sales

Frequently asked

How are the tools in this directory rated?
Manual review work, 1,000+ hours. Only tools rated 4.0 or better, or my own recommendations, make the list. There are no affiliate deals and no paid rankings.
What does the headcount trend tell me about a tool?
It shows how the vendor's team is developing. That's a buying signal: growing teams keep shipping, shrinking ones are a risk for your stack.
Which tools belong in an autonomous GTM stack?
Typically: Clay, Apollo or Smartlead for outbound, HubSpot or Pipedrive as CRM, Supabase and n8n for orchestration, Claude and GPT for agent logic. The exact choice follows your ICP and your existing stack.
Is one tool enough to start with AI in GTM?
No. A tool is not a system. Processes and data come first, then AI agents that work on top. Learn it with gtm.science or have it built with Pedalix.