AI tools · 79 listed

Find the right AI tool.

Pick a category to see tools, what each is best for, and how to choose between them.

Tools change fast. Prices and features move, so we don't copy prices here. Open the tool's own site for current plans. Listings are not paid placements or endorsements.

ShowBeginner friendly Free Free tier Paid Open source

16 tools

3DOpen source

Blender

A free, powerful 3D tool for modelling, animation and rendering.

Best for: Cleaning up AI 3D models and making your own.

Agent frameworksOpen source

Model Context Protocol (MCP)

A shared standard for connecting AI apps to tools and data.

Best for: Making your tools usable by many AI apps.

Models & hostingOpen source

Ollama

Run open models on your own computer.

Best for: Private, offline experiments.

Agent frameworksOpen source

Agent Development Kit (ADK)

Google's open toolkit for building and running agents.

Best for: Agents on Google's cloud, including Kotlin and Android.

Testing & monitoringOpen source

Arize Phoenix

Open-source tools to trace and evaluate AI apps.

Best for: Debugging and evaluating locally.

Search & vector databasesBeginnerOpen source

Chroma

A simple, developer-friendly vector database.

Best for: Learning and small projects.

Agent frameworksOpen source

CrewAI

Build teams of AI agents with defined roles.

Best for: Role-based multi-agent projects.

Agent frameworksOpen source

LangChain & LangGraph

Popular code libraries for building AI apps, including LangGraph for step-by-step agent flows.

Best for: Agents with clear control flow, loops and approvals.

Agent frameworksOpen source

LlamaIndex

A toolkit focused on connecting AI to your own documents and data.

Best for: Search and question-answering over your data.

Agent frameworksOpen source

OpenAI Agents SDK

OpenAI's toolkit for building agents with tools and hand-offs.

Best for: Agents that mainly use OpenAI models.

Testing & monitoringOpen source

OpenTelemetry

An open standard for collecting traces and metrics from software, including AI apps.

Best for: Vendor-neutral monitoring.

Audio & voiceOpen source

Whisper

Open-source speech-to-text that you can run yourself.

Best for: Private transcription and building your own tools.

3DBeginnerOpen source

model-viewer

A simple web component for showing 3D models and AR on a page.

Best for: Product pages with spinnable 3D models.

Search & vector databasesOpen source

pgvector

Adds vector search to PostgreSQL.

Best for: Teams already using Postgres who want one less system.

Agent frameworksOpen source

smolagents

A small, simple library for building agents in a few lines.

Best for: Learning how agents work with little code.

3DOpen source

three.js

The most popular code library for showing 3D in web pages.

Best for: Custom 3D experiences on the web.