📖 The AI Tool Bible

All AI tools

702 tools

HyperWrite

Writing · Multi-model (undisclosed)
7.0

Browser-based AI writing assistant with autocomplete, persona-matching, and integrated research citations.

Freemium· Free tier; Premium $19.99/mo; Ultra $44.99/mo (annual ~20% off)autocompleteemail-drafting

Interview Solver

Coding
7.0

Invisible desktop AI copilot that feeds you LeetCode answers during live coding interviews.

Freemium· Free 10-message trial; $39/mo unlimitedcoding-interviewsleetcode-practice

Jacquard (formerly Phrasee)

Writing · Proprietary 'Language2' architecture
7.0

Enterprise AI copywriting platform that generates and optimizes brand-compliant marketing messages at scale.

Enterprise· Custom enterprise pricing; book a demoemail-subject-linesmarketing-copy

Jetwriter AI

Writing · Multi-model (GPT-5, Claude Opus/Sonnet, Gemini Pro)
7.0

Browser-based AI writing assistant that lives in Gmail, WhatsApp, LinkedIn, and Outlook and learns your past replies.

Freemium· Free tier; paid plans unlock premium models and Gmail learningemail-draftinggrammar-fixing

Jina Serve

Agents
7.0

Open-source Python framework for serving multimodal AI models as scalable gRPC/HTTP microservices.

Freemium· Open-source free; Jina AI Cloud hosting paidmodel-servingmultimodal-pipelines

Kazimir.ai

Image Generation · Multi-model (Civitai-sourced)
7.0

Search engine for AI-generated images, indexing millions of Civitai-sourced renders.

Freemium· Free to browse; sign-in required to unblur some resultsai-image-searchcivitai-discovery

Kotaemon

RAG · Multi-model (OpenAI, LlamaCPP, any OpenAI-compatible endpoint)
7.0

Open-source RAG UI for chatting with your own documents, locally or self-hosted.

Free· Free, open-source (MIT-style); self-hosted infrastructure costs onlydocument-qaprivate-rag

LMQL

Coding · Multi-model (OpenAI, Hugging Face Transformers, llama.cpp)
7.0

A query language for LLMs that bolts types, templates, and constraints onto prompting.

Free· Free and open source (Apache-style); self-host or use with your own model API keysconstrained-decodingstructured-output

LangFast

Evaluation · Multi-model
7.0

No-signup LLM playground for testing, comparing, and versioning prompts against your own API keys.

Paid· One-time lifetime ~$60-$120; 14-day money-backprompt-testingprompt-versioning

LogicBalls

Writing · Multi-model
7.0

Multi-model AI writing platform with a library of 5,000+ task-specific tools and anti-hallucination guardrails.

Freemium· Free; Pro $59.99/yr, Premium $99/yr, Elite $139.99/yrai-writingresearch

Loudly

Audio · Proprietary Loudly AI
7.0

AI music generator with royalty-free output, stem splitting, and distribution to Spotify and friends.

Freemium· Free tier; paid plans on /music/pricingtext-to-musicroyalty-free background music

MacGPT

Writing · GPT-4 / ChatGPT (OpenAI)
7.0

Native macOS menu bar and system-wide wrapper that puts ChatGPT one keystroke away.

Paid· One-time purchase via Gumroadinline-writingmenu-bar-chat

MaxKB

RAG · Multi-model
7.0

Open-source enterprise RAG and agent platform with built-in workflow engine and multi-LLM support.

Freemium· Community edition free (GPLv3); paid enterprise editionenterprise-knowledge-basecustomer-support-bots

MindsHub Cowork

Agents · Multi-model
7.0

Unified workspace for open-source AI agents that turn tasks into shareable documents, dashboards, and apps.

Paid· $9.95/month, cancel anytimedocument-generationdata-analysis

Mistral AI

Writing · Mistral Large 3 / Medium 3.5 / Small 4 / Codestral / Voxtral
7.0

European frontier-model lab with a deep bench of open-weight and premier models for text, code, voice, and OCR.

Freemium· Open-weight models free; API pay-per-token; enterprise contractstext-generationcoding

MockingBird

Audio · GE2E + Tacotron + HiFi-GAN/WaveRNN/Fre-GAN
7.0

Open-source Mandarin-first voice cloning that mimics a speaker from a 5-second sample.

Free· Free, open source (MIT)voice-cloningtext-to-speech

ONNX

Fine-tuning
7.0

Open standard for representing and exchanging machine learning models across frameworks and runtimes.

Free· Free and open source (Apache-2.0); Linux Foundation AI projectmodel-interchangeedge-deployment

OlympicArena

Evaluation
7.0

Olympiad-level multi-discipline benchmark for stress-testing reasoning in LLMs and multimodal models.

Free· Free, open-source research benchmarkllm-evaluationmultimodal-eval

OpenCode

Coding · Multi-model (Claude, GPT, Gemini, local models, 75+ providers)
7.0

Open-source AI coding agent that runs in your terminal, IDE, or desktop and talks to 75+ LLM providers.

Freemium· Free and open source; optional paid Zen service for curated coding modelsai-pair-programmingterminal-coding-agent

OpenSandbox

Agents · Model-agnostic
7.0

Open-source sandbox infrastructure for running AI-generated code, agents, and browsers in isolated Docker or Kubernetes environments.

Free· Open source (Apache 2.0); managed pricing not disclosedcode-executionagent-sandboxing

PPT Master

Writing · Bring your own LLM
7.0

Open-source AI that turns documents into natively editable PowerPoint decks with real shapes, not flattened images.

Free· Free, MIT-licensed; bring your own LLM API keydocument-to-pptxslide-generation

PageIndex

RAG
7.0

Vectorless reasoning-based retrieval for long documents, with traceable, auditable answers.

Freemium· Free Try Now tier; enterprise pricing on requestdocument-qalong-pdf-retrieval

Phind

Coding · Phind-70B / Phind-405B plus GPT and Claude models on Pro
7.0

AI answer engine for developers that cites sources and writes working code.

Freemium· Free tier; Pro ~$15-20/mo; API pay-as-you-go (~$10/1M input tokens)code-searchdebugging-help

Phoenix

Evaluation · Multi-model
7.0

Open-source LLM and agent observability platform with tracing, evals, and experimentation built on OpenTelemetry.

Freemium· Open source (ELv2) + free Phoenix Cloud; paid Arize AX for enterprisellm-tracingagent-debugging