📖 The AI Tool Bible

All AI tools

702 tools

Z.ai

Writing · GLM-5.2 (GLM family)
7.0

Zhipu AI's free chat interface powered by the GLM family of large language models.

Freemium· Free chat tier; paid API and Pro plans via z.ai open platformgeneral chatlong-form writing

ZenMic

Audio
7.0

Text-to-podcast generator with multi-speaker AI voices and RSS publishing.

Freemium· Free 10 min trial; $19/mo or $99/yr (100 min/mo)text-to-podcastcontent-repurposing

alphaXiv

RAG · Multi-model
7.0

AI reading layer over arXiv with grounded Q&A, auto-summaries, and line-by-line discussion on every preprint.

Free· Free, no signup requiredpaper-qaliterature-review

editGPT

Writing · ChatGPT (GPT-4 / GPT-3.5)
7.0

Browser extension that turns ChatGPT into a tracked-changes proofreader for your documents.

Freemium· Free tier; Premium around $9.99/moproofreadingcopy-editing

iSpeech

Audio
7.0

Veteran cloud TTS and speech recognition API with broad SDK and language coverage.

Freemium· Free mobile SDK for non-revenue apps; ~$0.0001-$0.05 per word/transactiontext-to-speechspeech-recognition

llmfit

Evaluation · Multi-model
7.0

Terminal tool that scores hundreds of open LLMs against your actual CPU, RAM, and GPU and tells you which ones will run well.

Free· Free, MIT-licensedlocal-llm-selectionhardware-benchmarking

AI Dungeon

Writing · Multi-model (rotating open-weights: Mixtral, Llama, Hermes variants)
6.9

AI-powered text adventure platform where the story is generated turn-by-turn by an LLM.

Freemium· Free tier; paid tiers roughly $10-$30/mo (Adventurer / Champion / Mythic)interactive-fictionai-roleplay

AI Photo Forge

Image Generation · Fine-tuned diffusion (likeness LoRA)
6.9

Telegram-native AI headshot generator that turns selfies into professional portraits inside a chat thread.

Paid· Credit/pack-based (per headshot batch)ai-headshotslinkedin-portraits

AI/ML API

Coding · Multi-model (GPT, Claude, Gemini, Grok, Nemotron, Qwen, etc.)
6.9

Unified API gateway exposing 500+ AI models behind one OpenAI-compatible endpoint.

Freemium· Pay-as-you-go from $20 prepaid credit; enterprise custommulti-model-routingprototyping

Affogato

Image Generation · Multi-model (Nano Banana Pro, Veo, Kling, FLUX, Sora)
6.9

Multi-model image and video generation studio bundling 170+ third-party models behind one credit-based workspace.

Paid· Standard $24/mo, Ultra $69/mo, Pro Max $251/mo, Team from $99/motext-to-imagetext-to-video

Agent Skills

Agents · Model-agnostic
6.9

Open format for packaging procedural knowledge and workflows that AI coding agents load on demand.

Free· Free open standardagent-extensionscoding-agents

AgentGPT

Agents · GPT-3.5 (BYO key for others)
6.9

Browser-based autonomous AI agent builder that chains GPT calls toward a goal you define.

Freemium· Free tier with limited monthly runs; paid plans for higher usageautonomous-agentstask-automation

Agenta

Evaluation · Multi-model
6.9

Open-source LLMOps platform for prompt engineering, evaluation, and observability in one workspace.

Freemium· Open-source self-host free; managed cloud has free tier plus paid plansprompt-engineeringllm-evaluation

Aidbase

Agents · OpenAI
6.9

AI-powered customer support stack purpose-built for SaaS startups, bundling a trained chatbot, ticketing, and knowledge base.

Freemium· 7-day free trial, no credit card; paid plans thereaftercustomer-supportai-chatbot

Apache SINGA

Fine-tuning
6.9

Apache-licensed distributed deep learning library focused on scalable training across GPUs and nodes.

Free· Free, Apache 2.0 licenseddistributed trainingdeep learning research

Based Labs

Video · Multi-model (FLUX, Seedance, WAN, Kling, Nano Banana)
6.9

Multi-model AI playground for image, video, and voice generation with a generous free tier.

Freemium· Free credits with no signup; paid plans for higher limitstext-to-videotext-to-image

BrainSoup

Agents · Multi-model (ChatGPT, Mistral, local LLMs)
6.9

Windows desktop app for building teams of specialized AI agents that collaborate through chat.

Freemium· From $5/month, no commitmentmulti-agent workflowsdesktop AI assistant

Brandmark

Image Generation · Undisclosed (proprietary generative AI + curated assets)
6.9

AI logo maker that spits out a full brand kit from a name and a few keywords.

Paid· Free previews; one-time purchase tiers (historically ~$25-$175)logo-designbrand-identity

Browser Use Web UI

Agents · Multi-model
6.9

Gradio web UI for running browser-use AI agents in a real or persistent Chrome session.

Free· Free, open-source; bring your own LLM API keysbrowser-automationweb-agents

Callstack.ai PR Reviewer

Coding
6.9

AI pull request reviewer that flags bugs, security issues, and style drift against your team's own guidelines.

Freemium· Beta; pricing not publicly listedpr-reviewbug-detection

Canva AI

Image Generation · Multi-model (partner models incl. Imagen, plus Canva fine-tunes)
6.9

AI image generation baked into the design tool everyone already uses.

Freemium· Free with limited credits; Canva Pro $15/mo or $120/yr; Teams from $10/user/motext-to-imageinpainting

Chassis

Agents
6.9

Open-source tool that auto-packages ML models into production-ready Docker containers with a prediction API.

Free· Free, open source (Apache-style community project)model-packagingedge-deployment

Chat With PDF by Copilot.us

RAG
6.9

Conversational PDF Q&A bundled into a multi-app productivity membership.

Freemium· 7-day free trial; paid membership covers full app suitepdf-qadocument-summarization

ChatGPT for Google

Agents · Multi-model (GPT-4, Claude 2, others)
6.9

Browser extension that pipes GPT-4, Claude and other LLM answers into your existing search results page.

Free· Free extension; requires your own accounts with underlying AI providerssearch-augmentationpage-summarization