Open Source Observability
The best 50 Open Source Observability AI tools - Free & Paid
Explore 50 AI for Open Source Observability
Observo.ai is an AI-driven observability tool that revolutionizes security observability, cutting costs and incident resolution time. It optimizes telemetry data through intelligent pipelines, boosting security and DevOps operations while offering advanced data optimization and detection for faster
Freemium
OpenLIT is an openāsource observability platform for largeālanguageāmodel applications, offering distributed tracing, realātime monitoring, model evaluation, prompt versioning, fleet telemetry, and a zeroācode Kubernetes operator to integrate with major LLM providers and vector databases.
Subscription
- $10/mo
Middleware.io is an AI-driven cloud observability platform designed for middleware businesses. It provides real-time monitoring of infrastructure, applications, logs, errors, and performance, enabling swift issue resolution and cost-effective observability optimization.
Freemium
- $10/mo
Open Knowledge Maps is an AI search engine that visualizes scientific literature across disciplines, clustering related papers to reveal topic connections and trends. It supports varied document types, offers highāquality metadata, multilingual browsing, and openāsource integration.
Freemium
OpenCode.ai is an open-source AI coding agent that runs directly in your terminal, IDE, or desktop. It connects to 75+ LLM providers, supports offline use, and enables multi-session collaboration for code review and debugging.
Free
Velvet, part of Arize, is a developer gateway that links to Arizeās Unified Observability Platform for realātime AI feature assessment. It supports openāsource LLM tracing, a LiteLLM gateway with 100+ models, fallback, spend tracking, and cloud or onāpremise deployment.
Freemium
- $39/mo
Langtrace is an openāsource observability platform that traces AI agent interactions, collects metrics such as token usage, cost, latency, and accuracy, and supports OTEL, major frameworks, and LLM providers. It offers onāprem deployment, SOCāÆ2 TypeāÆII compliance, and fineāgrained access control.
Freemium
- $31/mo
OpenAgents is an open-source framework for building and operating scalable, interoperable AI agent networks. It provides tools to launch, connect, and orchestrate agents with live monitoring, enabling collaborative applications and workflows.
Freemium
AI agents scan 300,000+ sourcesāincluding darkāweb forums and new domainsāto deliver realātime OSINT alerts with context on threat actors, intent, and campaigns. Customizable workflows target phishing, insider risk, or credential leaks, enabling rapid response and fraud reduction.
Freemium
n8n is an openāsource workflow automation platform with a visual canvas and custom JavaScript/Python support. It connects to 500+ integrations, enables AI agents and RAG, offers audit logs, realātime alerts, and can be selfāhosted on Docker or Kubernetes.
Free
OpenHouse.ai consolidates sales, marketing, and operations data into a realātime analytics engine that detects shifts in traffic, buyer behavior, pricing pressure, and sales velocity at the community level, diagnosing drivers and prescribing targeted pricing, incentive, and operational actions.
Subscription
OSS Chat delivers a single chat interface that connects users to openāsource project resourcesādocs, issue trackers, papers, and community Q&A. It uses ChatGPT and a vector database to provide quick, privacyācompliant access to upātoādate knowledge across diverse tech domains.
Freemium
Openkoda is an openāsource insurtech platform providing modular templates for claims, policy, and embedded insurance. It offers AI analytics, automated documents, roleābased access, multiātenant clustering, and API hooks for rapid, scalable development without vendor lockāin.
Freemium
Open Apps is an open-source app directory that offers a curated selection of free alternatives to popular software tools, enabling users to find quality open-source solutions across various categories for development and productivity needs.
Free
Helicone is an open-source platform for LLM observability, featuring logging, monitoring, and debugging tools. It supports high request processing, offers instant analytics, and enables integration with major AI services, while prioritizing security and community collaboration.
Free trial
- $9.99/mo
Lens by GitBook is an AI-enhanced internal knowledge base that facilitates Git-like collaboration, deep integrations, and content audits. It promotes effortless contribution, organized management, and real-time teamwork for current documentation.
Freemium
OpenRouter gives one API key to access 300+ models from 60+ providers, SDKācompatible, with visual routing, automated fallāback, edge hosting, dataāpolicy controls, and agentic tools for building efficient autonomous workflows.
Freemium
Latitude offers endātoāend observability for LLM deployments, recording inputs, outputs, and context. It enables manual annotations, automated error grouping, continuous evaluation, and prompt optimization with GEPA. OTEL telemetry and SDK integrations support major model providers.
Freemium
- $299/mo
HoneyHive delivers AI observability and evaluation for production agents, offering OpenTelemetry tracing across 100+ LLMs, live metrics on quality, safety, latency, cost, drift alerts, offline experimentation, expert annotation, CI/CD integration, and enterprise security.
Free
- $79/mo
Open SaaS is an open-source framework for building scalable applications with React and Node.js, offering features like pre-configured authentication, payment integrations, TypeScript support, an admin dashboard, and easy deployment without vendor lock-in.
Free
Curiosity unifies enterprise data into a knowledge graph, enabling AIāpowered search and assistants across legacy and modern systems. It deploys onāpremises for GDPR compliance, offers fast hybrid search, and reduces response times and error rates.
Subscription
Respan offers AI observability by tracing prompts, tool calls, and responses, enabling endātoāend debugging, evaluation with human, code, and LLM reviews, and realātime monitoring for quality, cost, and compliance, and deployment orchestration across multiple cloud providers.
Free
- $1.67/mo
LLMOps Space is a global community for LLM practitioners, offering curated content, discussion forums, event recordings, and resources on production deployment, fineātuning, observability, and search optimization, plus networking via Discord and newsletters.
Freemium
gpt-oss playground provides open-weight demos of gpt-oss-120b and 20b for infrastructure testing, distributed and on-device inference, benchmarking, API integration, and reproducible research, with adjustable reasoning levels and visible-reasoning for diagnostics. Demo-only; validate outputs.
Freemium
Answer Overflow is an open-source AI search engine for Discord, simplifying content discovery across various servers. Easily find valuable information in different communities to enhance your Discord experience efficiently.
Freemium
Spectate monitors websites, APIs, servers, and domains from worldwide locations, delivering instant alerts, AI rootācause analysis, and automated status pages. It consolidates uptime, performance, and incident response into a single dashboard.
Freemium
- $12/mo
Open Notebook is a self-hosted, open-source notebook for private LLM workflows, supporting over 16 AI providers. It enables multi-modal content management, vector search, and contextual chat with full data sovereignty for research and development teams.
Freemium
Fiddler AI is an observability platform for monitoring AI models, focusing on performance assessment, anomaly detection, and explainable AI. It supports responsible AI practices across sectors like healthcare and finance while integrating with various MLOps tools.
Freemium
Openāsource AI codeāreview platform that plugs into GitHub, GitLab, Bitbucket, and Azure DevOps at the pullārequest level. Modelāagnostic, it runs custom rule sets, tracks technical debt, and delivers realātime metrics without storing source code.
Freemium
Linque unifies IT, OT, and AI for realātime data connectivity across legacy and modern systems. It offers VisionAI visual inspection, AIāEnabled Verification, AIāOps predictive analytics, and AIāProduction dashboards, backed by consulting for seamless modernization.
Free
Secoda centralizes data cataloging, metadata management, and lineage tracking, offering AIādriven search, query monitoring, and quality scoring. It provides roleābased access, CI/CD impact analysis, and realātime observability dashboards to streamline workflows.
Free
Inspectorio centralizes supplyāchain data, automating compliance checks, audit report generation, and risk analysis through AI. It offers realātime insights into quality, supplier performance, sustainability, and production milestones, enabling faster, dataādriven decisions.
Subscription
Openfabric is a decentralized layerāone blockchain that lets AI developers, data providers, and infrastructure partners build, train, and deploy algorithms on a permissionless network. Its marketplace offers readyāmade tools, and token holders can stake for governance and liquidity.
Freemium
Mevo is an openāsource platform that lets developers and data scientists host and customize their own instances on any OS or cloud. With GitHubāhosted code, full documentation, and modular architecture, it supports integrations and ensures data privacy and compliance.
Free
Oversight centralizes financial and compliance data, delivering continuous monitoring, fraud detection, and audit automation. Machineālearning models achieve 95% riskādetection and 99% duplicateāpayment prevention, integrating natively with ERP and spendāmanagement systems.
Free
Open Operator is a user-friendly AI tool that allows users to view, run, and browse AI models directly in their web browser. Powered by Stagehand and BrowserBase, it offers a seamless experience for exploring AI predictions effortlessly.
Airbyte is an open-source data integration platform for building ELT/ETL pipelines with 600+ connectors, real-time replication and reverse ETL, low-code/custom connector development, and deployment options for cloud, private, and enterprise compliance controls.
Free trial
- $10/mo
Portkey is an LLMOps platform offering a unified API and model catalog with observability, guardrails, RBAC, audit logs, prompt management, caching, routing and PII redaction to simplify multi-model integration, governance, monitoring, and cost optimization.
Free
- $49/mo
Clearscope is an AIāenabled platform that helps teams research topics, draft content, and track visibility across Google and LLM chatbots, combining keyword strategy, AI writing support, and analytics to streamline the content lifecycle.
Paid
- $199/mo
DevDynamics offers realātime engineering analytics, tracking DORA metrics, forecasting delivery, and aligning output with business goals. It integrates with 20+ tools, provides custom reports, and meets SOCāÆ2 TypeāÆII security standards.
Freemium
SmythOS is an openāsource Agent Operating System that manages the AI agent lifecycleāfrom design to productionāvia visual studio, SDK, CLI, and secure sandboxed runtime. It supports multiāplatform deployment, orchestration, and enterpriseāgrade security.
Free
- $3.25/mo
Octolens tracks brand mentions across 13+ platforms, using AI to filter for relevance, sentiment, and intent. It delivers realātime alerts via Slack, email, or webhooks, offers API/MCP integration, and updates hourly for timely action.
Subscription
- $119/mo
Typo offers realātime visibility into development lifecycles, tracking DORA metrics, cycle time, sprint predictability, and productivity. AI code reviews reduce review time and bugs. Integrated natively with CI/CD and version control, it supports secure, enterpriseāscale, dataādriven insights.
Freemium
- $20/mo
Kyligence Copilot is an AIādriven analytics layer that connects to OLAP, data lakes, and BI tools (Tableau, PowerāÆBI, MicroStrategy, Cognos). It offers naturalālanguage queries, realātime insights, anomaly detection, unified metrics, conversational dashboards, and an open API for custom applications
Subscription
- $49/mo
BlinkOps is a cloudānative agentic security platform that automates SOC, incident response, cloud, IAM and compliance tasks through 150+ microāagents. Its noācode workflow builder links to 30,000+ tools, while an AIāasāaāService team ensures configurable, auditable actions.
Freemium
LightOn Enterprise Search is a secure onāprem RAG platform that indexes text, images, PDFs, and scanned documents. It offers multimodal retrieval, a productionāready API, whiteālabel interface, and complianceāaware analytics for regulated industries.
Paid
SherlockAI delivers realātime consumer movement and behavior insights by aggregating millions of data points updated every minute. It offers blockālevel global movement resolution, GDPRācompliant privacy, and API access for actionable predictions.
Freemium