📖 The AI Tool Bible

The comprehensive directory of AI tools

63 hand-curated tools across 9 categories — writing, coding, image, video, audio, agents, RAG, fine-tuning, and eval. Filter, compare, and pick what actually works.

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Categories

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.

Featured

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Claude

Writing · Claude Opus / Sonnet

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

Freemium· Free tier; Pro $20/molong-form writingsummarization

Cursor

Coding · Claude / GPT-4o (configurable)

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

Freemium· Free hobby; Pro $20/mocodingrefactors

Midjourney

Image Generation · Midjourney v7

The gold standard for aesthetic AI image generation.

Paid· $10/mo basic; up to $120/mo proillustrationconcept art

GPT-4o

Writing · GPT-4o

OpenAI's multimodal flagship behind ChatGPT.

Freemium· Free tier; Plus $20/mogeneral writingsummarization

ElevenLabs

The gold standard for AI voice cloning and TTS.

Freemium· Free 10k chars; from $5/moTTSvoice cloning

Suno

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

Freemium· Free credits; from $10/mosongwritingdemos

GitHub Copilot

Coding · GPT-4o / Claude / OpenAI o-series

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

Paid· $10/mo individual; $19/mo businessautocompletechat

Flux

Image Generation · Flux.1

Black Forest Labs' open-weights image model — rivals Midjourney quality.

Freemium· API per-image; weights free for [schnell] and [dev]open sourceself-hosted

Recently added

GPT-4o

Writing · GPT-4o

OpenAI's multimodal flagship behind ChatGPT.

Freemium· Free tier; Plus $20/mogeneral writingsummarization

Claude

Writing · Claude Opus / Sonnet

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

Freemium· Free tier; Pro $20/molong-form writingsummarization

Notion AI

In-line AI inside your Notion docs and databases.

Paid· $10/mo per member add-ondoc summariesin-doc Q&A

Copy.ai

Templated AI copywriter for blogs, ads, and outbound emails.

Freemium· Free tier; Pro $36/moadssocial

Cody

Sourcegraph's AI coding assistant — codebase-aware via their search index.

Freemium· Free; Pro $9/mo; Enterprise customenterprisemonorepos

Sudowrite

Fiction-writing AI with story bibles, brainstorming, and pacing tools.

Paid· $19+/mofictionnovels