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Browse AI tools by category, role, pricing, freshness, and stack fit. Unlike generic directories, StackBuilder shows how tools fit into real workflows.

Directory health
100
Tools
100
Verified
72
Free/Freemium
Ranked by stack usefulness, freshness, verification, saves, clicks, and editor fit. Never votes alone.
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10 AI tools

Search: marketing ×Role: Agencies ×
1
M
Midjourney

AI image generation platform for high-quality stylized visuals

↻ FreshFrom $10/mo
2
L
Leonardo AI

AI image and asset generation platform for creators, games, and marketing

↻ FreshFree plan available
3
H
HeyGen

AI avatar and video generation tool for marketing, localization, and sales videos

↻ FreshFree plan available
4
M
Murf

AI voiceover platform for polished marketing, training, and narration audio

↻ FreshFree plan available
5
J
Jasper

AI marketing platform for brand-safe campaign, content, and copy workflows

↻ FreshSee site
6
C
Copy.ai

AI go-to-market and content automation platform for sales and marketing teams

↻ FreshFree plan available
7
W
Writesonic

AI writing, SEO, chatbot, and marketing content platform

↻ FreshFree plan available
8
S
Semrush

SEO and marketing intelligence suite with AI-assisted content and research tools

↻ FreshSee site
9
H
HubSpot AI

AI features across HubSpot for marketing, sales, service, and CRM workflows

↻ FreshFree plan available
10
M
Manychat

Chat marketing automation platform for Instagram, Messenger, WhatsApp, and SMS

↻ FreshFree plan available