LLM Open Source Tools

Alternative toClaude Code

OpenCode is an open-source AI coding agent that assists developers in

• 218,637 GitHub stars
• MITLicence MIT

Alternative toApify

Turn any website into clean markdown or structured JSON for LLMs

• 193,245 GitHub stars
• AGPL-3.0Licence AGPL-3.0

Alternative toUnstructured.io

Convert PDFs, Office files, and images to Markdown, free

• 191,278 GitHub stars
• MITLicence MIT
• #LLM

Alternative toLM Studio

Run large language models locally on Mac, Linux, or Windows

• 184,070 GitHub stars
• MITLicence MIT
• #LLM

Alternative toGoogle Cloud Vertex AI

Model-definition framework for state-of-the-art ML

• 167,904 GitHub stars
• Apache-2.0Licence Apache-2.0
• #LLM

Alternative toTypingMind

Chat interface for Ollama and any OpenAI API, with RAG support

• 156,238 GitHub stars
• #LLM

Alternative toRelevance AI

Visual AI workflow builder that deploys as an API or MCP server.

• 155,900 GitHub stars
• MITLicence MIT
• #LLM

Alternative toClaude Code

The minimal, self-extensible coding agent for the terminal

• 116,692 GitHub stars
• MITLicence MIT
• #LLM

Alternative toTokenade

Token-slashing caveman-speak for cheaper, faster AI code.

• 113,757 GitHub stars
• Apache-2.0Licence Apache-2.0
• #LLM

Alternative toLSEG Workspace (formerly Refinitiv Eikon)

Multi-Agent LLM Framework for Financial Trading

• 112,324 GitHub stars
• Apache-2.0Licence Apache-2.0
• #LLM

Alternative toFirebase

Open source Firebase: Postgres database, auth, and file storage

• 112,232 GitHub stars
• Apache-2.0Licence Apache-2.0
• #BaaS