📖 The AI Tool Bible

The comprehensive directory of AI tools

1003 AI tools across 10 categories — a profile shows a "Source-checked" date only once its text has been checked against the vendor's own pages; the rest are machine-drafted and labelled. Covering writing, coding, image, video, audio, agents, RAG, fine-tuning, eval, and MCP servers. Filter, compare, and pick what actually works.

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AI assistants for drafting, editing, and long-form content.

Pair programmers, autocompletes, and agentic code editors.

Image Generation

Text-to-image models, editors, and creative pipelines.

Text-to-video, avatars, and AI video editors.

Voice cloning, music generation, speech-to-text.

Autonomous and orchestrated multi-step AI workers.

Retrieval-augmented generation, vector stores, indexers.

Train and host custom models on your own data.

Observability, prompt testing, and quality scoring.

Model Context Protocol servers exposing tools, resources, and prompts to AI agents.

Browse by use case

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Open-source AI tools (326)Self-hosted AI tools (235)AI for engineers (166)AI custom chatbot builder (112)AI for content creators (103)AI personal assistant (93)AI knowledge base search (82)AI research assistant (82)

Featured comparisons

All comparisons →

Claude vs Cursor

Side-by-side comparison of two tools that list each other as alternatives.

Flux vs Midjourney

Side-by-side comparison of two tools that list each other as alternatives.

Codeium vs GitHub Copilot

Side-by-side comparison of two tools that list each other as alternatives.

ElevenLabs vs Resemble.ai

Side-by-side comparison of two tools that list each other as alternatives.

MongoDB Atlas Vector Search vs Pinecone

Side-by-side comparison of two tools that list each other as alternatives.

Chorus by ZoomInfo vs Gong

Side-by-side comparison of two tools that list each other as alternatives.

Free and open-source

Free AI tools (339)

Tools with a free plan or free tier in our pricing data, grouped by category.

Open-source AI tools (415)

Tools with a public repository, with the license, stars, and last push we recorded.

Recently link-checked

Reddit MCP (adhikasp/mcp-reddit)

MCP server that lets Claude and other LLM clients fetch and analyse Reddit threads

Free· Free and open source (MIT). No paid tier. You run it locally; Reddit's public JSON endpoints are hit unauthenticated, subject to Reddit rate limits.Subreddit hot-thread summarisationCommunity sentiment monitoring

checked Oct 24, 2026

Framelink Figma Context MCP

MCP server that feeds Figma layout, styles and components into AI coding agents like Cursor and Claude Code.

Free· Free and open source (MIT). Optional Framelink hosted extras are gated behind a waitlist with no published pricing.Figma-to-React component generation in CursorMarketing landing page implementation from a Figma frame

checked Oct 24, 2026

Exa MCP Server

MCP Servers · Exa neural search index (in-house)

Web search, code search, and company research for AI assistants over MCP

Freemium· Free tier · from $4 USD/moLive web search inside Claude DesktopRAG grounding for research agents

checked Oct 24, 2026

MCP Server Kubernetes

MCP server that lets Claude, Cursor, VS Code and other agents drive kubectl and Helm against real clusters

Free· Free and open source (MIT license). Kubernetes cluster and any AI client subscriptions billed separately.AI-driven pod troubleshooting and log triageNatural-language kubectl for platform engineers

checked Oct 24, 2026

Obsidian MCP

A local Model Context Protocol server that lets MCP-compatible assistants safely read and modify explicitly configured Obsidian vaults.

Free· Free and open-source (MIT). No paid tiers; users only pay for their own Obsidian license if they choose Commercial/Sync/Publish add-ons.Reading notes and retrieving their SHA-256 etagsCreating new notes atomically without overwriting existing content

checked Oct 24, 2026

Qdrant MCP Server

MCP Servers · FastEmbed (default: sentence-transformers/all-MiniLM-L6-v2); pairs with any MCP-capable LLM such as Claude 3.5/4, GPT-4o, or local models

Official Qdrant MCP server that turns a vector database into a semantic memory layer for Claude, Cursor, Windsurf, and any MCP client.

Free· Free and open source (Apache-2.0). Qdrant itself can be self-hosted for free or used via Qdrant Cloud (free tier available, paid plans from ~$25/mo for managed clusters).Persistent memory for Claude Desktop agentsSemantic code snippet search in Cursor and Windsurf

checked Oct 24, 2026

Editor's picks

All featured →

Claude

Writing · Claude Opus / Sonnet

Anthropic's flagship assistant for long-form writing, analysis, and coding.

Freemiumlong-form writingsummarization

Cursor

Coding · Claude / GPT (configurable)

AI-first VS Code fork — chat, edit, and agentic coding in one IDE.

Freemium· Free tier · from $8/mocodingrefactors

ElevenLabs

Audio · ElevenLabs Multilingual v2

The gold standard for AI voice cloning and TTS.

Freemium· Free: $0 · Starter: $6 · Creator: $11 · Pro: $99 · Scale: $299TTSvoice cloning

GPT-4o

Writing · GPT-4o

OpenAI's multimodal flagship behind ChatGPT.

Freemiumgeneral writingsummarization

Midjourney

Image Generation · Midjourney v7

The gold standard for aesthetic AI image generation.

Paid· Basic: $10 · Standard: $30 · Pro: $60 · Mega: $120 (per month; 20% discount for annual billing, per Midjourney's plan comparison page)illustrationconcept art

Suno

Audio · Suno v4

Text-to-song AI — full vocal tracks from a prompt.

Freemium· from $24/mosongwritingdemos

GitHub Copilot

Coding · GPT / Claude / OpenAI o-series (configurable)

The original AI pair programmer, now with chat and agents.

Paid· Free tier · from $4 USD/moautocompletechat

Runway

Pro-grade AI video editor and Gen-4 generation.

Paid· $15/mo Standard; $35/mo Pro; $95/mo Unlimitedshort filmVFX

How we work: scores come from an AI-assisted editorial rubric, not user ratings. Read our methodology and editorial policy.