Open Source Alternatives to Langfuse

Together AI offers an AI-native cloud platform providing high-performance inference APIs, GPU clusters, and fine-tuning capabilities for open-source AI models.

An open-source feature store for managing and serving data for AI/ML models in production.

An open-source, end-to-end AI agent engineering platform for simulating, evaluating, and optimizing LLM applications.

Company

An open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.

An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.

An open-source Python library providing a unified interface for interacting with various LLM providers.

An open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.

Open-source alert management platform using AI to reduce noise and improve alert actionability for engineers.

Low-code platform for building, iterating, and deploying AI applications, especially RAG and multi-agent systems.

Open-source, offline-deployable RAG and Agent application built on LangChain for local knowledge base Q&A.

Open-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.

Commercializes the open-source Grafana observability platform with AI features.

An open-source AI and machine learning platform for enterprises.

An open-source platform for building and deploying AI agents and workflows.

Persistent memory layer for AI agents and applications.

Track experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.

Open-source autonomous AI agent platform that automates complex digital workflows.

Run large language models locally on your machine.

A managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.

The Google of code search for open-source.

Parlant is an open-source conversational AI engine dedicated to solving the Human/AI alignment problem by enabling Large Language Models to reliably perform as desired and prevent hallucinations.

An open-source red-teaming toolkit for testing the security of LLM-powered agents, auditing prompt injection, memory poisoning, and tool abuse.

Experimental open-source framework for building self-building autonomous agents with a novel function framework.

Open-source, no-code platform for building and deploying AI agents, workflows, and generative AI applications.

A C/C++ tensor library for efficient machine learning inference on consumer hardware.

An open-source platform for creating, managing, and interacting with AI workflows and agents.

Adala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.

A unified data analytics and AI platform built on the lakehouse architecture.

High-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.

Developing advanced AI models with a focus on reducing hallucinations, including large language models, vision language models, and text-to-video models.

Open-access AI cloud platform providing affordable, on-demand GPUs for training and serving AI models.

Open-source tool to transform application data into accessible knowledge for AI agents.

Open-source business intelligence and embedded analytics platform.

Open-core company building tools for modern backend engineers to ship faster and better.

Elementary Data provides a unified data control plane for the AI era, offering observability, quality, governance, and discovery for data and AI reliability.

Open-source platform for ML experiment tracking and data versioning.

DeepSeek is a Chinese AI company developing open-weight large language models and an AI assistant, aiming to achieve Artificial General Intelligence.

Industry-standard API simulation and mocking platform for reliable software development and testing.

Self-hosted AI inference platform for enterprises.

Open-source library for building hyper-realistic voice agents and conversational AI applications.

An open-source platform for building and running AI coding agents that automate software development tasks.

An AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.

Open-source, Typescript-native agentic workflow builder for natural language to code generation.

BenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.

Ground AI in enterprise data with zero ETL. Spice is an open-source SQL query & hybrid search engine built for data-intensive apps & AI agents.

Open-source Kubernetes-native testing framework for CI/CD.

Cua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.

Open-source infrastructure for coding agents, enabling AI to plan, generate, and deploy software autonomously.

Open-source Node.js backend development platform for accelerating application development.

A suite of open-source and professional tools for API design, development, documentation, and testing.

Inconvo is an open-source platform for building data agents on production data with safe queries, permissions, and structured outputs.

Open-source platform for managing the ML lifecycle, from experimentation to deployment.

Open-source, agentic AI coding tool for VS Code, combining Cline and Roo Code features.

Company

Open-source platform for programmatically authoring, scheduling, and monitoring data pipelines.

Open-source framework for building and documenting APIs with a focus on developer experience.

ComputeSDK provides an open-source platform for benchmarking cloud infrastructure, including AI gateways, sandboxes, storage, and browsers, and offers a unified SDK for running code in remote sandboxes.

An open-source framework for on-machine AI agents developed by Block's Open Source Program Office.

An open-source platform for developing AI-powered autonomous software engineering agents.