TheJudex | Free LLM Orchestration & Evaluation & Open Source Software

Free Limits & Commercial Threshold Matrix

Exact breakdown of quotas, credit card requirements, and commercial allowances before requiring an upgrade.

Tool	Model	Conditions	Free Tier Details	SSO Tax	Action
MLflow	Free	No credit card requiredCommercial use allowedUnlimited usage with no expiration	100% Free and open source without commercial limits.	Standard	Try
Langfuse	Freemium	No credit card requiredCommercial use allowedMonthly recurring quota reset	Includes free monthly observation allowance for cloud usage and unrestricted open-source self-hosting.	Single Sign-On Tax (Enterprise SAML)	Try
Aigenos Flow	Free	No credit card requiredCommercial use allowedUnlimited usage with no expiration	100% Free and open source without commercial limits.	Standard	Try
Helicone	Freemium	No credit card requiredCommercial use allowedMonthly recurring quota reset	10,000 peticiones gratuitas al mes, 1 GB de almacenamiento y 1 usuario incluido sin necesidad de tarjeta de crédito.	Single Sign-On Tax (Enterprise SAML)	Try
Click	Freemium	No credit card requiredCommercial use allowedMonthly recurring quota reset	Incluye acceso a la plataforma base con límites de uso mensuales en sesiones de agentes.	Standard	Try
UniverLab Canopy	Free	No credit card requiredCommercial use allowedUnlimited usage with no expiration	Acceso completo a todo el motor de grafos y herramientas de código abierto sin límite de tiempo ni requisitos de tarjeta.	Standard	Try
OpenLLM	Freemium	No credit card requiredCommercial use allowedMonthly recurring quota reset	Permanent free tier with monthly usage allowances.	Standard	Try
Raweki	Free	No credit card requiredCommercial use allowedUnlimited usage with no expiration	Plan gratuito permanente con herramientas básicas de inventario, versionado y control de despliegue para equipos en fases iniciales.	Single Sign-On Tax (Enterprise SAML)	Try
telemetry.dev	Freemium	No credit card requiredCommercial use allowedMonthly recurring quota reset	El plan gratuito incluye 30,000 unidades de ingestión al mes, donde cada unidad representa un span, un registro de log o un punto de datos métricos.	Standard	Try
Count	Freemium	No credit card requiredCommercial use allowedMonthly recurring quota reset	Plan gratuito disponible para espacios de trabajo pequeños con hasta 5 usuarios y limitaciones en volumen mensual.	Standard	Try
Dust	Freemium	No credit card requiredCommercial use allowedMonthly recurring quota reset	Acceso gratuito con limitaciones de uso mensual en llamadas a modelos y número de agentes activos.	Single Sign-On Tax (Enterprise SAML)	Try
LangSmith	Freemium	No credit card requiredCommercial use allowedMonthly recurring quota reset	Incluye un nivel gratuito con cuotas mensuales limitadas de trazas y llamadas para desarrolladores individuales.	Single Sign-On Tax (Enterprise SAML)	Try
FlowiseAI	Free	No credit card requiredCommercial use allowedUnlimited usage with no expiration	Software libre y de código abierto sin limitaciones de uso en su modalidad autohospedada.	Standard	Try
Weights & Biases	Freemium	No credit card requiredCommercial use allowedUnlimited usage with no expiration	El plan gratuito incluye seguimiento de experimentos y registro de artefactos con soporte de la comunidad sin límite de tiempo.	Single Sign-On Tax (Enterprise SAML)	Try
IQ Routing	Freemium	No credit card requiredCommercial use allowedMonthly recurring quota reset	Plan gratuito inicial sin necesidad de tarjeta de crédito para supervisión de uso y control de claves.	Standard	Try
LangChain	Freemium	No credit card requiredCommercial use allowedMonthly recurring quota reset	Acceso gratuito inicial con límites mensuales para trazas, pruebas y ejecuciones de evaluación en LangSmith.	Single Sign-On Tax (Enterprise SAML)	Try

Audited Free & Freemium Platforms (16)

MLflow

FreeOpen SourceApache-2.0

Open source AI engineering platform for agents, LLMs, and machine learning models.

Open source platform with over 30 million monthly downloads and widespread industry adoption.
Native OpenTelemetry support and compatibility with any LLM provider or agent framework.
Integrated capabilities for systematic evaluation using LLM judges and prompt management.

28.6kstars on GitHub

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Langfuse

Freemium

Open source observability, evaluation, and debugging platform for LLM applications.

Open source architecture allowing complete self-hosting without vendor lock-in.
Native integration between tracing, evaluation, and prompt management in a unified workflow.
High performance in ingesting and analyzing large volumes of monthly observations.

37.0kstars on GitHub

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Aigenos Flow

Free

Open-source framework for deterministic AI agent workflows using typed fields.

Deterministic architecture separating flow control from LLM reasoning.
Centralized workflow and policy definitions via Markdown configuration files.
Open-source licensing under Apache-2.0 with no core commercial restrictions.

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Helicone

FreemiumOpen SourceApache-2.0

Open-source LLM observability platform and gateway for production AI applications.

Granular token cost and latency monitoring per model
Response caching to minimize redundant API calls
Lightweight SDK integration for backend services

6.3kstars on GitHub

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Click

Freemium

Managed agents API with durable sessions and isolated sandboxes.

API-driven architecture for serverless agent execution.
Support for any language model via BYOK (Bring Your Own Key).
Isolated sandboxes and built-in tools such as browser and code execution environments.

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UniverLab Canopy

FreeOpen SourceApache-2.0

A Rust DAG graph engine for AI coding agents unifying multiple harnesses and workflows.

High-performance DAG graph engine written in Rust for minimal overhead.
Agnostic architecture supporting multiple AI harnesses and model providers.
Fully open-source software with no licensing fees or proprietary locks.

4stars on GitHub

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OpenLLM

Freemium

Local LLM routing layer for development tools and coding agents

Unifies multiple AI providers and local models under a single routing interface
Includes built-in initial inference ready to use without external credentials
Supports configurable fallback chains to ensure continuous availability

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Raweki

Free

System of record and governance platform for enterprise AI agents and automated workforces

Dedicated version control tracking for agent configuration changes
Automated deployment gates to prevent regressions in production
Centralized inventory and team ownership tracking

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telemetry.dev

Freemium

Native OpenTelemetry observability for AI applications and agents.

Native OpenTelemetry integration for tracing models and agents.
Official SDK support for TypeScript and Python.
Detailed inspection of latency, costs, and token usage.

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Count

Freemium

AI-powered platform for analytics auditing and reasoning validation.

Deconstructs AI responses into verifiable reasoning chains.
Automatically detects hallucinations and implicit assumptions.
Collaborative analytics canvas integrated with external data sources.

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Dust

Freemium

Multiuser AI platform for human-agent collaboration using company context.

Native integration with multiple corporate data sources like Slack and CRMs.
Ability to route different language models based on task complexity.
Collaborative multi-user environment for building and managing AI agents.

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LangSmith

Freemium

Debugging, testing, evaluation, and monitoring platform for language model applications.

Detailed step-by-step tracing for complex workflows and LLM calls.
Advanced evaluation tools and automated regression testing.
Native integration with the LangChain ecosystem and other frameworks.

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FlowiseAI

Free

Open source platform to build AI agents and orchestrated workflows visually using LangChain.

Visual node-based interface that accelerates prototyping of complex LLM workflows.
Open-source architecture enabling complete self-hosting without vendor lock-in.
Native support for multi-agent orchestration, RAG retrieval, and custom tools.

55.5kstars on GitHub

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Weights & Biases

Freemium

Machine learning experiment tracking and AI model observability platform.

Outstanding tracking and visualization of model training metrics.
Deep integration with major machine learning frameworks like PyTorch and TensorFlow.
Functional free tier for independent developers and personal projects.

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IQ Routing

Freemium

Centralized dashboard for AI usage control, budget limits, and intelligent model routing.

Unifies multiple AI providers under a single base URL proxy.
Enables strict spending caps and team-level budgets.
Automated routing reduces operational costs across language model calls.

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LangChain

Freemium

Open agent engineering platform to build, evaluate, and deploy LLM applications.

Extensive modular ecosystem with native integrations for multiple LLM providers and vector databases.
Advanced tracing, step-by-step debugging, and systematic evaluation capabilities via LangSmith.
Support for complex, persistent agentic workflows using graph structures through LangGraph.

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