Best LLM Open Source Tools in 2026

Open Source Alternatives

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Open Source Alternatives

Breadcrumb

stars 38forks 3

Open source LLM tracing and monitoring for AI agents

LLMOps LLM Monitoring+3

Task Bert

stars 6forks 2

AI assistant that turns text messages into actionable tasks

AI Agents Task Management Workflow Automation+3

Unsloth

stars 69.7Kforks 6.3K

Train LLMs locally without code using a browser-based interface

LLM LLMOps No Code+3

Mengram

stars 189forks 29

AI memory for Claude Code with auto-save across sessions

AI Agents LLM LLMOps+3

Baseline Studio

stars 24forks 5

Claude plugin for AI-enhanced product management

Project Management LLM AI Agents+3

Hume AI

stars 80forks 23

Empathic voice AI SDK with open source emotional models

AI SDK LLM API Infrastructure+3

Octrafic

stars 34forks 5

AI-powered CLI for automated API testing with natural language

AI Coding Assistant API Development Tools CLI+4

GPT-Burger

stars 9forks 2

Tag, sort, and organize ChatGPT conversations in Chrome

Browser Extension Knowledge Management Note-taking Apps+3

Jan

stars 43.9Kforks 2.9K

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

LLM Self Hosted LLMOps+3

Hyprnote

stars 9Kforks 699

Local-first AI meeting notetaker with transcription

Note-taking Apps Local-first AI Agents+5

N8N2MCP

stars 132forks 34

Bridge n8n automations into MCP tools for Claude and Cursor

Workflow Automation LLM AI Agents+5

ComfyUI-Copilot

stars 5.5Kforks 359

Build and debug ComfyUI image workflows using natural language

AI Agents LLM Workflow Automation+2