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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

14 tools
Artificial Intelligence
AdCreative: AI Ads & Paid GrowthFeatured
AI Ads & Paid Growth

AdCreative

Problem: Ads are underperforming. Solution: AI creates conversion-optimized ads, evaluates them, and provides competitor insights. Result: Up to 14x higher conversions.

5.0 / 5
Artisan: Sales Prospecting & Outreach PlatformsFeatured
Sales Prospecting & Outreach Platforms

Artisan

Problem: Manual cold calling is time-consuming. Solution: AI-powered business retrieval (BDR) Ava automates research, personalization, and multi-channel outbound marketing. Result: higher response rates and greater efficiency.

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
OpenAI: AI Models & FoundationsFeatured
AI Models & Foundations

OpenAI

Problem: Efficiently solving complex tasks. Solution: Unique generative AI models (GPT/ChatGPT) with a security strategy. Result: Faster research and productivity.

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

Relevance AI

Problem: Time wasted due to repetitive tasks. Solution: Low-code platform for AI agents (AI workforce). Result: Automated work with human-like quality.

5.0 / 5
Wispr Flow: MeetingsFeatured
Meetings

Wispr Flow

Problem: Typing is slow. Solution: Wispr Flow converts speech into instantly edited, clear text in all apps. Result: Up to 4x faster work.

5.0 / 5
1up: AI Sales Automation & WorkflowFeatured
AI Sales Automation & Workflow

1up

Problem: RFPs/Questionnaires take too long. Solution: 1up aggregates company knowledge and automatically fills in responses. Result: up to 11 times faster.

4.5 / 5
Kindly: Customer SupportFeatured
Customer Support

Kindly

Kindly closes 24/7 support and conversion gaps with a quickly integrated, multilingual AI chatbot (LLMs); reduces the need for live agents and increases leads.

4.5 / 5
OpenRouter: AI ModelsFeatured
AI Models

OpenRouter

Problem: Fragmented LLM APIs. Solution: A single API that automatically routes models and provides fallbacks. Result: More cost-effective and reliable LLM usage.

4.5 / 5
Sortext: FunnelFeatured
Funnel

Sortext

Problem: First-time visitors rarely make a purchase. Solution: AI-driven, time-limited offers tailored to purchasing power. Result: Double first-time purchases, +15–20% revenue.

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
Symson: Revenue Operations & ForecastingFeatured
Revenue Operations & Forecasting

Symson

Say goodbye to price fluctuations: Symson uses Hyperlearn™ AI for real-time pricing. This allows you to automatically optimize margins, stay competitive, and efficiently protect your profits.

4.5 / 5
Aktify: Sales Prospecting & Outreach PlatformsFeatured
Sales Prospecting & Outreach Platforms

Aktify

Aktify: AI-powered SMS follow-ups that instantly contact leads and hand them off to sales as warm calls – more sales without additional staffing costs.

4.0 / 5
Alan AI: Customer SupportFeatured
Customer Support

Alan AI

Alan AI solves complex app operation through AI voice control that interacts directly with APIs. The result: intuitive navigation and increased user efficiency.

4.0 / 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.