--- title: "Evaluation & Observability" type: "category" slug: "evaluation-observability" canonical_url: "https://www.graphcanon.com/categories/evaluation-observability" tool_count: 440 --- # Evaluation & Observability *GraphCanon updated Aug 21, 2026* Tracing, evaluation, monitoring, and observability for LLM and agent systems — measuring quality, cost, and latency (Langfuse, Phoenix, OpenLIT). 440 tools in this category (showing the top 60 by stars). ## Featured comparisons - [MaxKB vs WeKnora](/compare/1panel-dev-maxkb-vs-tencent-weknora.md) - [activepieces vs coze-loop](/compare/activepieces-activepieces-vs-coze-dev-coze-loop.md) - [gateway vs gateway](/compare/adaline-gateway-vs-portkey-ai-gateway.md) - [AgentGuide vs JavaGuide](/compare/adongwanai-agentguide-vs-snailclimb-javaguide.md) - [ECC vs intellagent](/compare/affaan-m-ecc-vs-plurai-ai-intellagent.md) - [agenta vs coze-loop](/compare/agenta-ai-agenta-vs-coze-dev-coze-loop.md) - [agenta vs paddler](/compare/agenta-ai-agenta-vs-intentee-paddler.md) - [agenta vs langfuse](/compare/agenta-ai-agenta-vs-langfuse-langfuse.md) ## Stacks - [The RAG stack](/stacks/rag-pipeline.md) - [The AI agent stack](/stacks/autonomous-agent.md) ## Tools - [generative-ai-for-beginners](/tools/microsoft-generative-ai-for-beginners.md) - 21 Lessons for Getting Started with Generative AI (★ 113,577) [Very active] - [headroom](/tools/headroomlabs-ai-headroom.md) - Compress tool outputs and data to reduce tokens before reaching the LLM. (★ 66,470) [Very active] - [CL4R1T4S](/tools/elder-plinius-cl4r1t4s.md) - Leaked system prompts for various AI agents include ChatGPT, Claude, Gemini among others emphasizing transparency and access. (★ 46,435) [Very active] - [LibreChat](/tools/danny-avila-librechat.md) - Enhanced ChatGPT Clone with extensive features and integrations for self-hosting (★ 41,282) [Very active] - [mlflow](/tools/mlflow-mlflow.md) - AI engineering platform for debugging, evaluating, monitoring, and optimizing AI applications (★ 27,591) [Very active] - [langfuse](/tools/langfuse-langfuse.md) - Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets (★ 32,271) [Very active] - [Anthropic-Cybersecurity-Skills](/tools/mukul975-anthropic-cybersecurity-skills.md) - 817 structured cybersecurity skills for AI agents (★ 27,958) [Active] - [pentagi](/tools/vxcontrol-pentagi.md) - Fully autonomous AI Agents system for complex penetration testing tasks (★ 21,902) [Active] - [promptfoo](/tools/promptfoo-promptfoo.md) - Tool for evaluating prompts and AI agents by comparing performance across various models and red teaming. (★ 23,838) [Very active] - [WeKnora](/tools/tencent-weknora.md) - Open-source LLM knowledge platform for creating a queryable RAG, autonomous reasoning agent, and self-maintaining Wiki. (★ 19,992) [Very active] - [opik](/tools/comet-ml-opik.md) - Debug, evaluate, and monitor your LLM applications with comprehensive tracing and production-ready dashboards (★ 21,177) [Very active] - [ai-guide](/tools/liyupi-ai-guide.md) - 免费开放的AI知识共享平台 (★ 18,766) [Active] - [mastra](/tools/mastra-ai-mastra.md) - Modern TypeScript framework for AI-powered applications and agents (★ 27,229) [Very active] - [prompt-optimizer](/tools/linshenkx-prompt-optimizer.md) - An AI prompt optimizer for writing better prompts and getting better AI results. (★ 33,144) [Very active] - [FinGPT](/tools/ai4finance-foundation-fingpt.md) - FinGPT: Open-Source Financial Large Language Models (★ 21,100) [Active] - [ai-berkshire](/tools/xbtlin-ai-berkshire.md) - AI-era Berkshire: a value investing research framework utilizing Claude Code / Codex with methodologies from Warren Buffett, Charlie Munger among others and multi-Agent adversarial analysis. (★ 14,138) [Very active] - [bisheng](/tools/dataelement-bisheng.md) - BISHENG is an open LLM devops platform for next generation Enterprise AI applications (★ 11,879) [Very active] - [TrendRadar](/tools/sansan0-trendradar.md) - AI-driven public opinion & trend monitor with multi-platform aggregation, RSS, and smart alerts. (★ 61,487) [Active] - [gitleaks](/tools/gitleaks-gitleaks.md) - Find secrets with Gitleaks 🔑 (★ 28,753) [Active] - [open-swe](/tools/langchain-ai-open-swe.md) - An Open-Source Asynchronous Coding Agent (★ 10,576) [Very active] - [phoenix](/tools/arize-ai-phoenix.md) - AI Observability & Evaluation (★ 10,847) [Very active] - [casdoor](/tools/casdoor-casdoor.md) - An open-source Agent-first Identity and Access Management (IAM) / LLM MCP & agent gateway and auth server (★ 14,221) [Very active] - [awesome-LLM-resources](/tools/wangrongsheng-awesome-llm-resources.md) - Summary of the world's best LLM resources. (★ 8,845) [Very active] - [oumi](/tools/oumi-ai-oumi.md) - Easily fine-tune, evaluate and deploy open source LLMs/VLMs (★ 9,359) [Very active] - [evolver](/tools/evomap-evolver.md) - The GEP-powered self-evolving engine for AI agents. (★ 8,881) [Very active] - [AgentGuide](/tools/adongwanai-agentguide.md) - AI Agent development guide with career and interview preparation (★ 8,484) [Active] - [superagent](/tools/superagent-ai-superagent.md) - Superagent SDK (★ 6,713) [Very active] - [manifest](/tools/mnfst-manifest.md) - Connect Your Agents And Harnesses With Any Provider (★ 7,414) [Very active] - [plano](/tools/katanemo-plano.md) - An AI-native proxy and data plane for agentic apps (★ 7,004) [Very active] - [coze-loop](/tools/coze-dev-coze-loop.md) - Next-generation AI Agent Optimization Platform (★ 5,697) [Very active] - [helicone](/tools/helicone-helicone.md) - Open source LLM observability platform (★ 6,073) [Very active] - [zenml](/tools/zenml-io-zenml.md) - One AI Platform from Pipelines to Agents (★ 5,552) [Very active] - [heretic](/tools/p-e-w-heretic.md) - Fully automatic censorship removal for language models (★ 27,709) [Very active] - [whichllm](/tools/andyyyy64-whichllm.md) - Command-line tool to find and benchmark local LLM performance (★ 6,225) [Active] - [deepeval](/tools/confident-ai-deepeval.md) - LLM Evaluation Framework. (★ 17,226) [Very active] - [VLMEvalKit](/tools/open-compass-vlmevalkit.md) - An open-source evaluation toolkit for large vision-language models (★ 4,345) [Very active] - [mcp-context-forge](/tools/ibm-mcp-context-forge.md) - AI Gateway and registry for MCP, A2A, REST/gRPC APIs (★ 4,143) [Very active] - [agenta](/tools/agenta-ai-agenta.md) - The open-source LLMOps platform for prompt management, evaluation, and observability. (★ 4,445) [Very active] - [Awesome-Multimodal-Large-Language-Models](/tools/bradyfu-awesome-multimodal-large-language-models.md) - Latest Advances on Multimodal Large Language Models (★ 17,978) [Very active] - [AutoRAG](/tools/marker-inc-korea-autorag.md) - Open-source framework for RAG evaluation and optimization via AutoML (★ 4,968) [Very active] - [ruoyi-ai](/tools/ageerle-ruoyi-ai.md) - 一站式AI应用开发框架 (★ 5,610) [Very active] - [LLMForEverybody](/tools/luhengshiwo-llmforeverybody.md) - LLM knowledge sharing for everyone, essential reading before big model interviews (★ 7,167) [Very active] - [Kiln](/tools/kiln-ai-kiln.md) - Build, Evaluate, and Optimize AI Systems (★ 4,971) [Very active] - [Auto-claude-code-research-in-sleep](/tools/wanshuiyin-auto-claude-code-research-in-sleep.md) - Lightweight Markdown-only skills for autonomous ML research (★ 13,875) [Very active] - [netdata](/tools/netdata-netdata.md) - The fastest path to AI-powered full stack observability for lean teams (★ 79,844) [Very active] - [gateway](/tools/portkey-ai-gateway.md) - A high-performance AI Gateway connecting to over 1,600 LLMs with guardrails. (★ 12,668) [Steady] - [AI-Infra-Guard](/tools/tencent-ai-infra-guard.md) - A full-stack AI Red Teaming platform securing AI ecosystems (★ 4,316) [Very active] - [doris](/tools/apache-doris.md) - Real-time analytics and hybrid search database for AI agents (★ 15,796) [Very active] - [lamda](/tools/firerpa-lamda.md) - Android full-stack device control platform with remote access and automation capabilities (★ 8,121) [Very active] - [awesome-chatgpt-zh](/tools/embraceagi-awesome-chatgpt-zh.md) - A comprehensive guide to better utilizing ChatGPT in Chinese. (★ 11,614) [Active] - [giskard-oss](/tools/giskard-ai-giskard-oss.md) - Open-Source Evaluation & Testing library for LLM Agents (★ 5,727) [Very active] - [aim](/tools/aimhubio-aim.md) - An easy-to-use & supercharged open-source experiment tracker (★ 6,210) [Very active] - [langwatch](/tools/langwatch-langwatch.md) - The platform for LLM evaluations and AI agent testing (★ 3,479) [Very active] - [Guardrails](/tools/nvidia-nemo-guardrails.md) - Open-source toolkit for adding programmable guardrails to LLM-based conversational systems (★ 6,895) [Very active] - [ChatGPT-Shortcut](/tools/rockbenben-chatgpt-shortcut.md) - Maximize your efficiency and productivity through prompt management, customization, and sharing. (★ 8,642) [Very active] - [owl](/tools/camel-ai-owl.md) - Optimized Workforce Learning for General Multi-Agent Assistance (★ 20,085) [Very active] - [logfire](/tools/pydantic-logfire.md) - AI observability platform for production LLM and agent systems (★ 4,416) [Very active] - [tracecat](/tools/tracecathq-tracecat.md) - Open-source security automation platform for teams and AI agents (★ 3,761) [Very active] - [dagster](/tools/dagster-io-dagster.md) - An orchestration platform for data assets (★ 15,949) [Very active] - [trulens](/tools/truera-trulens.md) - Evaluation and Tracking for LLM Experiments and AI Agents (★ 3,516) [Very active] ## Common questions ### What are the best evaluation & observability tools? GraphCanon ranks Evaluation & Observability tools by GitHub adoption and freshness. generative-ai-for-beginners is the current leader (113,577 stars). See the full list on this page - sorted by stars, with [maintenance labels](/glossary/trust-and-signals/maintenance-label) and graph relationships. ### How does GraphCanon rank Evaluation & Observability tools? We sort by GitHub stars and push recency on category pages, not paid placement. Alternatives and compare pages use [typed graph edges](/glossary/knowledge-graph/typed-edge) (alternative, successor, integrates_with) plus shared categories - constraint-first, not marketing votes. ### How many tools are in Evaluation & Observability? 440 published tools are tagged with Evaluation & Observability in the GraphCanon knowledge graph. ### What are popular Evaluation & Observability comparisons? Head-to-head compare pages in this category include MaxKB vs WeKnora, activepieces vs coze-loop, gateway vs gateway. Each comparison uses live GitHub stats and optional [trust signals](/glossary/trust-and-signals/trust-signal) - see the comparisons block on this page. ### Which stacks use Evaluation & Observability? Curated workflow pages that include Evaluation & Observability: [The RAG stack](/stacks/rag-pipeline); [The AI agent stack](/stacks/autonomous-agent). Each stack step includes when-not-to-use guidance. ### Is there a machine-readable Evaluation & Observability list? Yes. Append `.md` to this URL or fetch [`/md/categories/evaluation-observability`](/md/categories/evaluation-observability) for a markdown twin. The JSON API exposes the same corpus at [`/api/graphcanon/categories/evaluation-observability`](/api/graphcanon/categories/evaluation-observability). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/categories/evaluation-observability`](/api/graphcanon/categories/evaluation-observability) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_