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StackBuilt

Operator AI Directory

AI Tools Directory (2026)

This is our operator-first AI directory with an actionable AI list: all AI tools we track, free AI tools worth testing first, and real-world pricing context so you can build a stack that pays for itself.

ai directory all ai tools ai list free ai tools

Tools tracked

65

Free AI tools

48

Founder-tested picks

23

Start with your exact stack first

Use the directory to compare options, then get a recommendation matched to your budget, workflow, and technical comfort.

Get My Stack Plan Best Tools for Solopreneurs

All AI tools in this directory

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Codeium

Free tier

Free AI code completion and chat

Ai Development Rating 10/10

Starting price

Free + $15 /month

Try free ->

Cursor

Free tier

The AI-first code editor

Ai Development Rating 10/10

Starting price

Free + $20 /month

Try free ->

Notion

Free tier

Connected workspace for wiki, docs, and projects with AI

Productivity Rating 10/10

Starting price

Free + $10 /month

Try free ->

Semrush

Paid

Comprehensive SEO, PPC, and social media marketing suite

Seo Rating 10/10

Starting price

$139.95 /month

See tool ->

Airtable

Free tier

Cloud database and collaboration platform with AI

No Code Platform Rating 9/10

Starting price

Free + $20 /month

Try free ->

AWS SageMaker

Free tier

Comprehensive AWS ML service for model development

Ml Platform Rating 9/10

Starting price

Free

Try free ->

Bubble

Free tier

No-code web app builder for complex applications

No Code Platform Rating 9/10

Starting price

Free + $32 /month

Try free ->

Canva Pro

Free tier

Design anything with AI-powered tools

Ai Design Rating 9/10

Starting price

Free + $12.99 /month

Try free ->

ChatGPT

Free tier

OpenAI's conversational AI for content creation and Q&A

Ai Assistant Rating 9/10

Starting price

Free + $20 /month

Try free ->

Claude

Free tier

Anthropic's advanced AI assistant for complex tasks

Ai Assistant Rating 9/10

Starting price

Free + $20 /month

Try free ->

ElevenLabs

Free tier

Ultra-realistic AI text-to-speech and voice cloning

Ai Audio Rating 9/10

Starting price

Free + $5 /month

Try free ->

Grammarly

Free tier

AI-powered writing assistant for grammar and clarity

Ai Writing Rating 9/10

Starting price

Free + $12 /month

Try free ->

Granola

Free tier

AI notepad that enhances your meeting notes automatically

Productivity Rating 9/10

Starting price

Free + $14 /month

Try free ->

HubSpot

Free tier

CRM and inbound marketing platform with AI features

Crm Rating 9/10

Starting price

Free + $15 /month

Try free ->

Make.com

Free tier

Connect any app to any app without code

Automation Workflows Rating 9/10

Starting price

Free + $10 /month

Try free ->

Microsoft Power BI

Free tier

Self-service BI with AI-powered insights

Analytics Bi Rating 9/10

Starting price

Free + $14 /month

Try free ->

n8n

Free tier

Free and open workflow automation tool

Automation Workflows Rating 9/10

Starting price

Free

Try free ->

Perplexity Pro

Free tier

AI search engine that cites sources

Ai Research Rating 9/10

Starting price

Free + $20 /month

Try free ->

Reclaim.ai

Free tier

Smart calendar to optimize schedules and habits

Productivity Rating 9/10

Starting price

Free + $8 /month

Try free ->

Retool

Free tier

Low-code platform for internal tools and dashboards

No Code Platform Rating 9/10

Starting price

Free + $10 /month

Try free ->

Stable Diffusion

Free tier

Open-source text-to-image model with full control

Ai Image Rating 9/10

Starting price

Free

Try free ->

Chatbase

Free tier

Build a chatbot from your data (PDFs, URLs)

Chatbot Rating 9/10

Starting price

Free + $40 /month

Try free ->

Consensus

Free tier

AI search engine for academic research papers

Ai Research Rating 9/10

Starting price

Free + $8 /month

Try free ->

DALL-E 3

Paid

OpenAI's advanced text-to-image generation

Ai Image Rating 9/10

Starting price

$20 /month

See tool ->

Google Vertex AI

Free tier

Unified ML platform on Google Cloud

Ml Platform Rating 9/10

Starting price

Free

Try free ->

HeyGen

Free tier

Viral video translation and realistic custom avatars

Ai Video Rating 9/10

Starting price

Free + $29 /month

Try free ->

Intercom

Paid

Customer communications with AI chatbot (Fin)

Chatbot Rating 9/10

Starting price

$29 /month

See tool ->

Midjourney

Paid

AI image generation for stunning visuals

Ai Image Rating 9/10

Starting price

$10 /month

See tool ->

Murf.ai

Free tier

Studio-quality voiceovers for professional presentations

Ai Audio Rating 9/10

Starting price

Free + $19 /month

Try free ->

Pictory

Free tier

Turn long-form content into short, shareable social clips

Ai Video Rating 9/10

Starting price

Free + $19 /month

Try free ->

Runway ML

Free tier

Generative AI suite for video creation and editing

Ai Video Rating 9/10

Starting price

Free + $12 /month

Try free ->

Speechify

Free tier

Converts text, books, and PDFs into audio

Ai Audio Rating 9/10

Starting price

Free + $11 /month

Try free ->

Surfer SEO

Paid

AI analysis of top-ranking content for optimization

Seo Rating 9/10

Starting price

$89 /month

See tool ->

Tableau

Paid

Leading data visualization and BI platform

Analytics Bi Rating 9/10

Starting price

$70 /month

See tool ->

Anything

Free tier

AI app builder for sites, internal tools, and lightweight products from prompts

App Builder Rating 8/10

Starting price

Free + $20 /month

Try free ->

Gamma

Free tier

Create presentations, docs, and webpages with AI

Ai Design Rating 8/10

Starting price

Free

Try free ->

Anyword

Paid

Performance writing with predictive scoring for ad copy

Ai Writing Rating 8/10

Starting price

$39 /month

See tool ->

Bito AI

Free tier

AI coding assistant for teams and CTOs

Ai Development Rating 8/10

Starting price

Free + $15 /month

Try free ->

Buffer

Free tier

Social media scheduling and analytics for creators and teams

Social Media Rating 8/10

Starting price

Free + $20 /month

Try free ->

Colossyan

Free tier

AI video generation focusing on L&D and training

Ai Video Rating 8/10

Starting price

Free + $30 /month

Try free ->

Comp AI

Paid

AI-powered compliance automation for SOC 2, ISO 27001, and more

Compliance Rating 8/10

Starting price

$199 /month

See tool ->

Copy.ai

Free tier

Write marketing copy in seconds with AI

Ai Writing Rating 8/10

Starting price

Free + $36 /month

Try free ->

Dialogflow

Free tier

Google's platform for building AI chatbots

Chatbot Rating 8/10

Starting price

Free

Try free ->

Frase

Paid

SEO content briefs and optimization

Ai Writing Rating 8/10

Starting price

$15 /month

See tool ->

Google Gemini

Free tier

Google's multimodal AI with Search integration

Ai Assistant Rating 8/10

Starting price

Free

Try free ->

HeadshotPro

Paid

Professional LinkedIn photos from selfies

Ai Image Rating 8/10

Starting price

$29 one-time

See tool ->

InVideo

Free tier

Robust video editor with AI capabilities

Ai Video Rating 8/10

Starting price

Free + $15 /month

Try free ->

Jasper

Paid

AI writing assistant trained for marketing content

Ai Writing Rating 8/10

Starting price

$49 /month

See tool ->

Kimi OK Computer

Free tier

Output-first AI agent for websites, docs, slides, sheets, and research

Ai Assistant Rating 8/10

Starting price

Free

Try free ->

Labelbox

Free tier

Data labeling platform for ML training

Ml Data Labeling Rating 8/10

Starting price

Free

Try free ->

Leonardo AI

Free tier

AI image generation for game assets and art

Ai Image Rating 8/10

Starting price

Free + $10 /month

Try free ->

LiveChat

Paid

Customer service suite with AI ChatBot capabilities

Customer Support Rating 8/10

Starting price

$20 /month

See tool ->

Marblism

Paid

Generate a full-stack web app from a prompt in minutes

Internal Tools Rating 8/10

Starting price

$39 /month

See tool ->

Microsoft Power Automate

Free tier

RPA and workflow automation in Microsoft ecosystem

Rpa Rating 8/10

Starting price

Free + $15 /month

Try free ->

OpenClaw

Free tier

Local-first computer-use gateway for technical operators

Ai Assistant Rating 8/10

Starting price

Free

Try free ->

PhotoAI

Paid

Virtual photographer for generated photos

Ai Image Rating 8/10

Starting price

$29 /month

See tool ->

Synthesia

Paid

AI video generator with lifelike avatars

Ai Video Rating 8/10

Starting price

$18 /month

See tool ->

Tabnine

Free tier

AI code completions with privacy and enterprise focus

Ai Development Rating 8/10

Starting price

Free + $12 /month

Try free ->

UiPath

Free tier

Enterprise RPA platform for process automation

Rpa Rating 8/10

Starting price

Free + $25 /month

Try free ->

Wispr Flow

Free tier

AI voice dictation that types for you anywhere on your Mac

Productivity Rating 8/10

Starting price

Free + $15 /month

Try free ->

Writesonic

Free tier

Feature-dense AI platform with Chatsonic and Audiosonic

Ai Writing Rating 8/10

Starting price

Free + $16 /month

Try free ->

Zapier

Free tier

The easiest way to automate your work

Automation Workflows Rating 8/10

Starting price

Free + $19 /month

Try free ->

AdCreative.ai

Paid

Performance marketing assets optimized for conversion

Ai Design Rating 7/10

Starting price

$29 /month

See tool ->

DeepBrain

Paid

Conversational AI kiosks and interactive video

Ai Video Rating 7/10

Starting price

$30 /month

See tool ->

Rytr

Free tier

Budget-friendly, lightweight AI writing assistant

Ai Writing Rating 7/10

Starting price

Free + $9 /month

Try free ->

Guides to choose from this AI list

Browse all breakdowns ->

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