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109 tools reviewed

The AI tools directory

Every AI tool you need to know about, including what each one does, where it fits in a production stack, and who it’s actually built for.

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  • 109 Tools in the guide
  • 36 Categories
  • 14 Industries
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Showing 109 tools

Apollo.io

Apollo.io is an AI sales platform combining a B2B database with outreach automation and deal management tools for sales and marketing teams.

Freemium Sales

Bolt.new

Bolt.new is an in-browser AI builder that turns a text prompt into a running full-stack web app, with hosting, databases, and auth included.

Freemium App Builder

Bubble

Bubble is a no-code platform that lets founders and builders create full-stack web apps with a visual editor, workflows, and a database.

Freemium App Builder

Canva

Canva is a freemium online design platform that lets anyone create professional graphics, presentations, and brand assets using AI and drag-and-drop tools.

Freemium Design

Clay

Clay is a paid GTM data platform that aggregates 150+ enrichment providers and AI research agents to automate prospecting, lead scoring, and outbound workflows.

Paid Sales

Cline

Cline is a free, open-source AI coding agent that reads your codebase, edits files, and runs terminal commands with your approval at each step.

Open-source Coding Agent

Copy.ai

Copy.ai is an AI GTM platform that automates sales prospecting, marketing content, and go-to-market workflows.

Freemium Writing

Digits

Digits is an AI accounting platform that automates bookkeeping and delivers real-time financial reports for startups and SMBs.

Paid Finance

ElevenLabs

ElevenLabs is an AI voice platform that generates lifelike speech, clones voices, and deploys conversational agents via API.

Freemium Voice / Speech

FastMCP

FastMCP is an open-source Python framework for building MCP servers and clients, used by 70% of MCP servers in production.

Open-source Framework

Firecrawl

Firecrawl is an open-source API that turns any website into clean, LLM-ready markdown or structured data for AI agents.

Freemium Web Data / Scraping API

Fireflies.ai

AI meeting assistant that records, transcribes, and summarizes calls for sales, recruiting, and operations teams.

Freemium Meeting Intelligence

Flux

Flux is Black Forest Labs' family of text-to-image AI models, known for strong prompt fidelity and image consistency, available via API and open weights.

Paid Image Gen

Gamma

Generate polished decks, docs, and websites from a single prompt.

Freemium Presentations

GitHub Copilot

GitHub Copilot is an AI pair programmer that suggests code, runs autonomous coding agents, and works inside your editor, CLI, and GitHub itself.

Freemium Coding Agent

Glean

AI-powered enterprise search and assistant that indexes your company's apps and gives every team a way to find, create, and automate work.

Paid Knowledge Management

Granola

Granola is an AI meeting notepad that records and enhances your notes without joining your calls as a bot.

Freemium Meeting Intelligence

HeyGen

HeyGen is an AI video platform that generates avatar-led videos from scripts and dubs content into 175+ languages without a camera.

Freemium Video Gen

HubSpot

HubSpot is an AI-powered CRM platform that connects marketing, sales, and customer service on one system, used by 299,000+ businesses worldwide.

Freemium CRM

Hugging Face

Hugging Face is an open community hub for AI models, datasets, and demo apps, used by researchers and engineering teams to build and deploy machine learning.

Freemium Inference / Hosting

Ideogram

Ideogram is a freemium AI image generator that accurately renders readable text inside generated images, built for posters, ads, and branded content.

Freemium Image Gen

Jasper

Jasper is a paid AI writing platform that helps marketing teams produce on-brand content at scale, from blog posts to full campaign assets.

Paid Writing

Lovable

Lovable is a freemium AI app builder that turns a text prompt into a deployed, full-stack web app with auth and a database, no coding required.

Freemium App Builder

Magnific

Magnific is an AI image upscaler that turns low-res images into print-quality assets by generating photorealistic detail guided by your prompt.

Paid Image Gen

Midjourney

Midjourney is a paid AI image generator that transforms text prompts into cinematic, stylized visuals used by designers, marketers, and creatives.

Paid Image Gen

Motion

Motion is a paid AI productivity app that schedules your tasks automatically, prioritizes your day, and replans your calendar in real time.

Paid Personal Productivity

Notion AI

Notion AI is an AI assistant and agent platform built into Notion, combining writing help, autonomous agents, meeting notes, and cross-app search for teams.

Freemium Knowledge Management

Obsidian

Obsidian is a free, local-first note-taking app that stores everything as plain Markdown files, with an extensible plugin ecosystem for AI-powered knowledge workflows.

Freemium Knowledge Management

OpenRouter

OpenRouter is a unified API gateway that gives developers one key and one bill for 400+ AI models from every major provider.

Freemium LLM Gateway

Otter.ai

AI meeting assistant that transcribes conversations, generates summaries, and extracts action items automatically across Zoom, Teams, and Meet.

Freemium Meeting Intelligence

Paradox

Paradox is a conversational AI recruiting platform whose assistant, Olivia, automates candidate screening, scheduling, and onboarding via text and chat.

Paid HR

Perplexity

AI answer engine that searches the live web and returns direct, cited answers instead of links, with a free plan and paid Pro tier.

Freemium Research

Puzzle

Puzzle is AI-native accounting software for startups and SMBs that automates bookkeeping and delivers real-time financial insights.

Freemium Finance

Ramp

Ramp is an AI-powered spend management platform that combines corporate cards, expense tracking, and accounts payable automation for finance teams.

Freemium Finance

Relay.app

Relay.app is a workflow automation platform that combines a visual builder, built-in AI steps, and human-in-the-loop approval checkpoints for business teams.

Freemium Workflow Automation

Retool

Retool is a low-code platform for building internal tools, dashboards, and admin panels on your databases and APIs, built for engineering and ops teams.

Freemium Internal Tools / Low-Code

Suno

Suno is an AI music generator that creates complete songs with vocals, lyrics, and full production from a text prompt in under a minute, across any genre.

Freemium Audio / Music

Supabase

Supabase is an open-source backend-as-a-service built on PostgreSQL that gives developers a managed database, auth, storage, edge functions, and real-time capabilities under one subscription.

Freemium Backend / Database

Tavily

Tavily is a search API built for AI agents and RAG pipelines, giving LLMs real-time, structured access to search, extract, and crawl the web.

Freemium Research

Textio

Textio is an AI writing platform that gives HR teams real-time guidance to write fairer job posts and clearer performance feedback.

Paid HR

v0

v0 is Vercel's AI assistant that turns text prompts into production-ready React and Next.js apps, for developers, designers, and product teams.

Freemium App Builder

Vapi

Vapi is a developer platform for building and deploying voice AI agents that handle phone calls and conversations.

Freemium Voice AI

Vector Agents

Vector Agents provides role-based AI digital workers that automate sales, customer support, finance, and HR workflows for business teams.

Paid Assistant

Veo

Veo is Google DeepMind's video generation model that creates cinematic clips with native audio from text prompts, available via Gemini and the API.

Paid Video Gen

Voiceflow

Voiceflow is a no-code platform for building and deploying AI chat and voice agents through a visual canvas, with LLM integration and knowledge base support.

Freemium Assistant

Warp

Warp is an AI-native terminal built for agentic coding, letting developers run and orchestrate AI coding agents alongside normal shell commands.

Freemium Coding Agent

Wispr Flow

Wispr Flow is an AI voice dictation tool that transcribes speech into clean, formatted text in any app, removing filler words and adapting style to the app you are writing in.

Freemium Voice / Speech

LangChain

LangChain is an open-source framework for building AI agents and LLM applications, with 1000+ integrations for any model or tool.

Open-source Framework

LangGraph

LangGraph is a free, open-source framework for building stateful, graph-based AI agents with fine-grained control over every step.

Open-source Multi-Agent

CrewAI

CrewAI is an open-source Python framework for building teams of collaborating AI agents, each with a defined role, goal, and set of tools, that work together to complete complex tasks.

Open-source / Freemium AI Framework

DeepAgents

DeepAgents is LangChain's open-source agent harness for building AI agents with planning, sub-agents, and context management out of the box.

Open-source Framework

LangSmith

LangSmith is LangChain's framework-agnostic platform for tracing, evaluating, and deploying AI agents and LLM applications in production.

Freemium Observability

Langfuse

Langfuse is an open-source platform for observing and improving LLM applications, providing tracing, cost tracking, prompt management, and evaluation tools for AI teams building in production.

Open-source / Freemium AI Observability

AutoGen

AutoGen is Microsoft's open-source framework for building multi-agent AI applications, though it's now in maintenance mode.

Open-source Multi-Agent

LlamaIndex

LlamaIndex is an open-source data framework that connects large language models to your own documents, databases, and APIs.

Open-source · paid Framework

Haystack

Haystack is deepset's open-source framework for building production-ready RAG pipelines, AI agents, and semantic search systems in Python.

Open-source Framework

Semantic Kernel

Semantic Kernel is Microsoft's open-source SDK for building AI agents and plugins across C#, Python, and Java, now succeeded by Microsoft Agent Framework.

Open-source Framework

DSPy

DSPy is Stanford's open-source Python framework that replaces brittle prompt engineering with compiled, optimised LLM programs evaluated against measurable objectives.

Open-source Framework

Pydantic AI

Pydantic AI is a Python-native agent framework built by the Pydantic team for building type-safe, production-ready LLM applications and agents.

Open-source Framework

Vercel AI SDK

Vercel AI SDK is a free, open-source TypeScript toolkit that lets developers build AI-powered apps and agents across any model provider.

Open-source Framework

Helicone

Helicone is an open-source AI gateway that logs, traces, and optimizes every LLM API call with one line of code.

Freemium Observability

Phoenix

Phoenix is Arize's open-source platform for tracing, evaluating, and debugging LLM, RAG, and agent applications, self-hostable for free.

Open-source Observability

Braintrust

Braintrust is an AI observability and evaluation platform that helps engineering teams trace, test, and monitor LLM applications in production.

Freemium Observability

Promptfoo

Promptfoo is an open-source CLI and library for testing, evaluating, and red-teaming LLM applications and agents before they reach production.

Open-source Observability

Claude

Anthropic's family of large language models for coding, reasoning, agentic workflows, and everyday tasks, available through chat, API, and developer tools.

Freemium LLM Provider

ChatGPT

OpenAI's conversational AI assistant that answers questions, writes code, and completes multi-step tasks using the GPT-5.5 model family.

Freemium LLM Provider

Gemini

Google's multimodal AI model family that natively understands text, images, audio, and video, integrated across Search and Workspace.

Freemium LLM Provider

Mistral AI

Mistral AI is a French company building open-weight frontier language models, plus Vibe, its consumer chat app and coding agent.

Freemium LLM Provider

DeepSeek

A Chinese AI lab's open-weights language models that deliver frontier-level performance at a fraction of typical inference cost.

Open-source LLM Provider

Pinecone

Pinecone is a fully managed vector database built for production-scale RAG and semantic search. No infrastructure to manage — it scales to billions of vectors and charges by usage.

Freemium Vector DB

Weaviate

Weaviate is an open-source vector database with built-in modules for embedding, hybrid search, and generative search. Self-host or use Weaviate Cloud.

Open-source · paid hosted Vector DB

Qdrant

Qdrant is an open-source vector database written in Rust. Fast filtered search, aggressive memory optimisation, and easy to self-host.

Open-source · paid hosted Vector DB

Chroma

Chroma is an open-source search database for AI that combines vector, full-text, regex, and metadata search for RAG applications.

Open-source Vector DB

LanceDB

LanceDB is an open-source embedded vector database that runs in-process with no server required, built for RAG pipelines and semantic search.

Open-source · paid hosted Vector DB

Claude Code

Claude Code is Anthropic's terminal-based AI coding agent that reads your codebase, edits files, runs commands, and opens pull requests.

Paid Coding Agent

Cursor

Cursor is an AI-first code editor that ships with deeply integrated copilot, multi-file edits, and an agent mode.

Freemium Coding Agent

Windsurf

Codeium's AI-native code editor, built around the Cascade agent, that Cognition rebranded to Devin Desktop in June 2026 after acquiring the company.

Freemium Coding Agent

Aider

Aider is a free, open-source AI pair programmer that runs in your terminal and commits every code change to git automatically.

Open-source Coding Agent

Replit Agent

Replit Agent is a freemium AI app builder that turns natural-language prompts into deployed web apps, complete with database, auth, and hosting.

Freemium App Builder

Browser Use

Browser Use is an open-source Python library that lets AI agents control a real web browser to click, type, and extract data using natural language.

Open-source · paid hosted Browser Agent

Anthropic Computer Use

Computer use is Anthropic's API capability that gives Claude screenshot vision plus mouse and keyboard control to operate desktop applications autonomously.

Paid Browser Agent

Stagehand

Stagehand is an open-source browser automation SDK that replaces CSS selectors with natural language instructions, built by Browserbase on top of Playwright.

Open-source Browser Agent

Deepgram

Deepgram is a production-grade speech-to-text API with streaming transcription, speaker diarization, and sub-300ms latency for voice agents and call centers.

Freemium Voice / Speech

Cartesia

Cartesia is a real-time TTS API built for voice agents, delivering sub-100ms latency, voice cloning, and 42-language support.

Freemium Voice / Speech

Whisper

Whisper is OpenAI's open-source speech recognition model that transcribes and translates audio across 99 languages, free to self-host.

Open-source Voice / Speech

n8n

n8n is open-source workflow automation — the connective tissue between LLMs, APIs, databases, and SaaS apps. Self-host free or use n8n Cloud.

Open-source · paid hosted Workflow Automation

Zapier

Zapier is a no-code automation platform that connects 8,000+ apps with trigger-and-action Zaps, built for teams who want to automate without coding.

Freemium Workflow Automation

Make.com

Make.com is a visual, no-code automation platform that connects thousands of apps into AI-powered workflows for businesses and teams.

Freemium Workflow Automation

Modal

Modal is a serverless cloud platform that lets developers run GPU inference, training, and batch jobs directly from Python code.

Freemium Inference / Hosting

Replicate

Replicate is a cloud API for running and deploying thousands of open-source AI models without managing GPUs or infrastructure.

Freemium Inference / Hosting

Together AI

A cloud platform offering fast inference, fine-tuning, and GPU compute for over 200 open-source AI models, used by developers building production AI apps.

Paid Inference / Hosting

Groq

Ultra-low-latency LPU inference. Routinely the fastest tokens-per-second numbers you can buy.

Freemium Inference / Hosting

vLLM

vLLM is an open-source LLM inference engine from UC Berkeley that maximises GPU throughput using PagedAttention and continuous batching, with an OpenAI-compatible serving API.

Open-source Inference / Hosting

Runway

An AI video generator that turns text, images, and footage into consistent, production-ready clips for ads, film, and social content.

Freemium Video Gen

Ollama

Ollama is an open-source tool for running large language models like Llama and Mistral locally on your own machine.

Open-source LLM Provider

Docker

Docker is a platform that packages applications into portable containers so they run consistently across any environment.

Freemium Containerisation

Kubernetes

Kubernetes is an open-source platform that automates deploying, scaling, and managing containerized applications across a cluster of machines.

Open-source Containerisation

Terraform

Terraform is HashiCorp's open infrastructure as code tool that lets you define, version, and provision cloud and on-prem resources through declarative configuration files.

Freemium Cloud / IaC

ArgoCD

ArgoCD is a declarative, open-source GitOps tool that continuously syncs Kubernetes clusters to match the desired state stored in a Git repository.

Open-source CI / CD

GitHub Actions

GitHub Actions is GitHub's built-in CI/CD platform for automating builds, tests, and deployments straight from your repository.

Freemium CI / CD

AWS

AWS is Amazon's cloud computing platform, offering on-demand compute, storage, databases, and AI services for businesses of any size.

Freemium Cloud / IaC

Google Cloud

Google Cloud is Google's cloud computing platform, offering compute, storage, data analytics, and AI tools built on Google's own infrastructure.

Freemium Cloud / IaC

Microsoft Azure

Azure is Microsoft's cloud computing platform, offering compute, storage, databases, and AI tools like Azure OpenAI Service for businesses.

Freemium Cloud / IaC

Prometheus

Prometheus is an open-source monitoring system that scrapes metrics from your services on an interval, stores them as time-series data, and lets you query and alert on them with PromQL.

Open-source Observability

Grafana

Grafana is the open-source dashboarding layer for production systems. It connects to Prometheus, Loki, Tempo, and 60+ data sources and turns raw metrics into the dashboards your team actually looks at.

Open-source · paid hosted Observability

OpenTelemetry

OpenTelemetry is an open-source framework that standardizes how applications collect and export traces, metrics, and logs.

Open-source Observability

Jaeger

Jaeger is an open-source distributed tracing tool that helps engineers trace requests as they move across microservices.

Open-source Observability

RAGAS

RAGAS is an open-source evaluation framework for RAG systems that scores faithfulness, answer relevancy, context precision, and context recall automatically.

Open-source Observability

Model Context Protocol

Model Context Protocol (MCP) is an open standard from Anthropic for connecting AI models to external tools, data sources, and services through a uniform interface that works across any compliant LLM client.

Open-source Framework