📖 The AI Tool Bible

Microsoft

Redmond, US· founded 1975· public· website ↗

Largest OpenAI shareholder and the distribution channel for GPT-5 into enterprise via Copilot and Azure OpenAI. Also ships its own Phi small-model family, VS Code with GitHub Copilot, and the Bing/Copilot search stack.

9 tools in the directory

Semantic Kernel

Agents · Multi-model
8.4

Microsoft's open-source SDK for wiring LLMs, plugins, and agents into enterprise .NET, Python, and Java apps.

Free· Free, MIT-licensed SDK; you pay for the underlying model APIsagent-orchestrationllm-plugins

Azure AI Speech (Neural TTS)

Audio · Azure Neural TTS (plus HD and Azure OpenAI voices)
7.3

Microsoft's enterprise-grade neural text-to-speech with 100+ languages, custom brand voices, and SSML control.

Freemium· Free tier (0.5M chars/mo neural); pay-as-you-go per character thereaftertext-to-speechvoice-cloning

Agno (formerly Phidata)

Agents · Multi-model
7.2

Open-source Python framework for building multi-agent systems, paired with a production runtime that ships in your own cloud.

Freemium· Framework free/OSS; AgentOS paid (see pricing page)

Graphiti

RAG · Multi-model
7.2

Open-source temporal knowledge graph framework for building agent memory that updates in real time.

Freemium· Open-source (Apache 2.0); managed Zep Cloud sold separatelyagent-memorytemporal-knowledge-graphs

Microsoft Designer

Image Generation · DALL-E
7.1

Microsoft's consumer design app that wraps DALL-E image generation in templated social, sticker, and invite layouts.

Freemium· Free tier with daily AI boosts; expanded access included with Microsoft 365 Personal/Familytext-to-imagesocial media graphics

Graphify

RAG · Multi-model
7.0

Open-source on-device knowledge graph engine that turns code, docs, papers, meetings and images into a queryable graph.

Free· MIT-licensed, free forever; cloud tier hinted but unpriced (waitlist)knowledge-graphcode-search

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

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

Microsoft Copilot

Writing · GPT-4-class (OpenAI) + DALL-E
6.9

Microsoft's consumer AI assistant, formerly Bing Chat, now powered by GPT-4-class models with web grounding and image generation.

Freemium· Free; Copilot Pro $20/mo; Microsoft 365 Copilot from $30/user/moconversational-searchwriting-assistance