Best Open Source AI & Machine Learning Tools in 2026

Atomic Bot

AI & Machine Learning Business & Productivity Communication & Collaboration

One-click OpenClaw installer and agent setup bot

stars 301license MITlang TypeScript

AI Agents Workflow Automation Email+4

Cline

AI & Machine Learning Web & App Development Product & Project Management

VS Code AI agent that plans and edits across your entire project

stars 61Klicense Apache-2.0lang TypeScript

AI Coding Assistant Developer Tools AI Agents+1

IronClaw

AI & Machine Learning Security & Monitoring Web & App Development

Open source security scanner for AI agent deployments

stars 12Klicense Apache-2.0lang Rust

AI Agents Security Developer Tools+1

Hume AI

AI & Machine Learning Communication & Collaboration Data & Analytics

Empathic voice AI SDK with open source emotional models

stars 80license MITlang TypeScript

LLM Chatbots Customer Support+3

OpenClix

Marketing & Growth AI & Machine Learning Web & App Development

Open source mobile retention and engagement automation

stars 37license MITlang TypeScript

AI Agents Developer Tools

Octrafic

AI & Machine Learning Web & App Development Product & Project Management

AI-powered CLI for automated API testing with natural language

stars 32license MITlang Go

Developer Tools API Development Tools Testing+2

Disco.dev

AI & Machine Learning Web & App Development Business & Productivity+1

Simplify AI agent integrations with open-source MCP servers

stars 74lang TypeScript

Open Core Developer Tools Workflow Automation+5

ChartDB

Web & App Development Data & Analytics Product & Project Management+1

Free open source database diagram editor and visualizer

stars 22.1Klicense AGPL-3.0lang TypeScript

Database Data Visualization Developer Tools+9

GPT-Burger

Business & Productivity AI & Machine Learning Web & App Development

Tag, sort, and organize ChatGPT conversations in Chrome

stars 9lang JavaScript

Browser Extension AI Coding Assistant Knowledge Management+5

Well

AI & Machine Learning Finance & Fintech Business & Productivity

Retrieve invoices from email automatically, self-hosted and free

stars 322license MITlang TypeScript

Invoicing & Payments AI Agents Workflow Automation+1

Jan

AI & Machine Learning Business & Productivity Web & App Development

Run open source LLMs on your own hardware with no cloud required

stars 42.2Klicense NOASSERTIONlang TypeScript

LLM Developer Tools AI Coding Assistant+4

Hyprnote

Business & Productivity Communication & Collaboration AI & Machine Learning+1

Local-first AI meeting notetaker with transcription

stars 8.3Klicense GPL-3.0lang Rust

Note-taking Apps AI Agents LLM+6

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Atomic Bot

Cline

IronClaw

Hume AI

OpenClix

Octrafic

Disco.dev

ChartDB

GPT-Burger

Well

Jan

Hyprnote

Atomic Bot

Cline

IronClaw

Hume AI

OpenClix

Octrafic

Disco.dev

ChartDB

GPT-Burger

Well

Jan

Hyprnote