Best Open Source AI Development Platforms using npm in 2026

Qdrant

Fast, scalable vector database for AI applications

Stars
31,239
Forks
2,254
Last commit
12 hours ago

Qdrant is an open-source vector database that provides high-performance similarity search for AI and machine learning applications.

Open Source Alternative to:

Supabase

OpenLLMetry

Monitor LLM performance with open-source observability

Stars
7,094
Forks
955
Last commit
23 hours ago

Open-source observability platform for LLMs using OpenTelemetry. Monitor performance, track costs, and debug AI applications with just 2 lines of code.

Open Source Alternative to:

DataDog

Agenta

Build reliable LLM apps with integrated workflows

Stars
4,115
Forks
518
Last commit
20 hours ago

Open-source LLMOps platform providing prompt management, evaluation, and observability tools for building robust AI applications with team collaboration.

Open Source Alternative to:

LangSmith

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Qdrant

Fast, scalable vector database for AI applications

Stars
31,239
Forks
2,254
Last commit
12 hours ago

Qdrant is an open-source vector database that provides high-performance similarity search for AI and machine learning applications.

Open Source Alternative to:

Supabase

OpenLLMetry

Monitor LLM performance with open-source observability

Stars
7,094
Forks
955
Last commit
23 hours ago

Open-source observability platform for LLMs using OpenTelemetry. Monitor performance, track costs, and debug AI applications with just 2 lines of code.

Open Source Alternative to:

DataDog

Agenta

Build reliable LLM apps with integrated workflows

Stars
4,115
Forks
518
Last commit
20 hours ago

Open-source LLMOps platform providing prompt management, evaluation, and observability tools for building robust AI applications with team collaboration.

Open Source Alternative to:

LangSmith

Open Source AI Development Platforms using npm

A curated collection of the best open source platforms and frameworks for building AI-powered applications. using npm.

Qdrant

OpenLLMetry

Agenta

Qdrant

OpenLLMetry

Agenta