Open-source monitoring software
2501 open-source libraries, tools and applications tagged monitoring, ranked by how closely monitoring is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
2501 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Envoy Envoy is a CNCF-hosted, high-performance C++ edge, middle, and service proxy designed for cloud-native and AI-native applications. It provi… | 95 | 29082 | stable |
| Mastra Mastra is a TypeScript framework for building AI-powered applications and autonomous agents, with model routing across 40+ providers, graph… | 87 | 28986 | active |
| MLflow MLflow is an open source AI engineering platform for agents, LLMs, and traditional ML models, providing experiment tracking, model registry… | 100 | 28441 | stable |
| alibaba/druid Alibaba Druid is a high‑performance Java database connection pool that also provides a powerful SQL parser and security firewall. It includ… | 71 | 28170 | active |
| Go kit Go kit is a Go library that provides a collection of packages and best‑practice patterns for building robust microservices. It offers tools… | 23 | 27419 | active |
| Haystack Haystack is an open‑source Python framework for orchestrating LLM‑powered pipelines, agents and RAG applications. It provides modular compo… | 98 | 26720 | active |
| OpenFaaS OpenFaaS is a serverless functions platform that lets developers deploy event-driven functions and microservices packaged as OCI/Docker con… | 71 | 26245 | stable |
| NemoClaw NVIDIA NemoClaw is an open-source reference stack for running AI coding agents such as OpenClaw, Hermes, and LangChain Deep Agents Code sec… | 69 | 22754 | active |
| Opik Opik is an open-source LLM observability and evaluation platform by Comet for tracing, evaluating, and monitoring LLM applications, RAG pip… | 93 | 22726 | active |
| Vector Vector is a high‑performance, end‑to‑end observability data pipeline written in Rust. It collects, transforms, and routes logs, metrics and… | 93 | 22657 | active |
| Apache RocketMQ Apache RocketMQ is a distributed cloud-native messaging and streaming platform built for low-latency, high-throughput, financially reliable… | 87 | 22629 | stable |
| ThingsBoard ThingsBoard is an open-source IoT platform for device management, telemetry data collection, processing, and visualization. It supports sta… | 98 | 22494 | stable |
| ThingsBoard ThingsBoard is an open‑source IoT platform that provides device provisioning, data collection, processing, and real‑time visualization. It … | 98 | 22494 | active |
| EL-ADMIN ELADMIN is a front-end/back-end separated admin management system built on Spring Boot 2.7.18, JPA, Spring Security, JWT, Redis, and Vue. I… | 56 | 21905 | active |
| jina-ai/serve Jina-serve is a Python framework for building and deploying multimodal AI services that communicate via gRPC, HTTP, and WebSockets. It prov… | 36 | 21854 | active |
| Vitess Vitess is a cloud-native database clustering system that horizontally scales MySQL through transparent, generalized sharding. It provides q… | 98 | 21365 | stable |
| elastic/kibana Kibana is an open‑source browser‑based analytics and visualization UI for Elasticsearch. It lets users explore, query, and monitor data thr… | 95 | 21315 | active |
| gofr-dev/gofr GoFr is an opinionated Go framework that accelerates microservice development with built‑in support for databases, gRPC, HTTP, and observab… | 90 | 20855 | active |
| MediaMTX MediaMTX is a zero-dependency live media server and proxy written in Go that routes real-time video and audio streams across protocols incl… | 98 | 20364 | stable |
| bettercap bettercap is a Go-based, all-in-one framework for network reconnaissance and man-in-the-middle attacks across WiFi, Bluetooth Low Energy, w… | 82 | 20111 | active |
| probelabs/goreplay GoReplay is an open‑source command‑line tool that captures live HTTP traffic from a network interface and replays it against a test environ… | 48 | 19323 | active |
| iii iii is a Rust-based runtime engine that composes backend services from three primitives (Worker, Trigger, Function), letting polyglot worke… | 85 | 18844 | active |
| iii iii is an open‑source engine that lets you compose, extend, and observe any service or AI agent as a worker in real time. It provides a uni… | 85 | 18844 | active |
| LangBot LangBot is an open-source, production-grade platform for building AI-powered instant messaging bots, connecting LLMs and agent workflows to… | 95 | 18291 | active |
| xbar xbar is a macOS menu bar application (a rewrite of BitBar in Go using Wails) that displays the output of any script or program directly in … | 23 | 18078 | active |
| Tencent/mars Mars is a cross-platform network and infrastructure component library developed by Tencent's WeChat team, comprising STN (signaling/network… | 38 | 17659 | stable |
| questdb/questdb QuestDB is an open-source, high-performance time-series database with a column-oriented, SIMD-vectorized SQL engine written in zero-GC Java… | 97 | 17440 | stable |
| Effect Effect is a TypeScript library and ecosystem for building production-grade, type-safe applications, centered on the Effect type that encode… | 95 | 17323 | stable |
| Apache APISIX Apache APISIX is a dynamic, high-performance cloud-native API gateway and AI gateway built on NGINX and etcd, offering load balancing, dyna… | 94 | 17201 | stable |
| MCP Toolbox for Databases MCP Toolbox for Databases is an open source Model Context Protocol (MCP) server, written in Go, that connects AI agents, IDEs, and applicat… | 92 | 16669 | active |
| Trigger.dev Trigger.dev is an open-source TypeScript platform for building and deploying durable background jobs, long-running AI workflows, and AI age… | 94 | 16478 | active |
| dagster-io/dagster Dagster is an open-source Python data orchestration platform for developing, producing, and observing data assets, with integrated lineage,… | 95 | 16287 | active |
| OpenMetadata OpenMetadata is an open-source metadata management platform that unifies data cataloging, lineage, data quality, governance, and business s… | 95 | 15506 | active |
| eCapture eCapture is an eBPF-based CLI tool that captures SSL/TLS plaintext traffic without needing CA certificates, supporting OpenSSL, LibreSSL, B… | 99 | 15501 | active |
| Mail-in-a-Box Mail-in-a-Box is a one-click, easy-to-deploy mail server appliance that turns a fresh Ubuntu 22.04 machine into a complete email provider w… | 93 | 15443 | active |
| oblien/openship Openship is an open-source, self-hostable deployment platform with built-in CI/CD that builds, ships, routes, and TLS-terminates apps from … | 83 | 14813 | active |
| FLEXTool/FLEX FLEX (Flipboard Explorer) is an in-app debugging and exploration library for iOS apps, written in Objective-C. It presents a toolbar overla… | 58 | 14640 | stable |
| Usagi-org/ai-goofish-monitor A self-hosted Python application that monitors Xianyu (Goofish, China's second-hand marketplace) listings in real time or on cron schedules… | 66 | 14612 | active |
| Casdoor Casdoor is an open-source, self-hosted Identity and Access Management (IAM) and single sign-on (SSO) platform with a web UI, written in Go.… | 94 | 14524 | active |
| CoreDNS CoreDNS is a fast and flexible DNS server and forwarder written in Go that chains plugins, each performing a DNS function. It is a CNCF gra… | 91 | 14365 | stable |
| Netflix/zuul Zuul is Netflix's L7 application gateway service providing dynamic routing, monitoring, resiliency, and security for microservices. It is a… | 93 | 14083 | active |
| Portmaster Portmaster is a free and open-source application firewall and privacy suite for Windows and Linux desktops. It intercepts all network traff… | 95 | 13824 | active |
| opensearch-project/OpenSearch OpenSearch is an open-source, distributed, RESTful search and analytics suite for full-text search, log analytics, application monitoring, … | 94 | 13813 | stable |
| Asynq Task Queue Asynq is a Go library for a distributed task queue backed by Redis, letting clients enqueue tasks that worker servers process concurrently.… | 66 | 13769 | stable |
| macrozheng/mall-swarm mall-swarm is a microservices-based e-commerce mall system built with Spring Cloud Alibaba, Spring Boot 3.5, Sa-Token, MyBatis, Elasticsear… | 62 | 13174 | active |
| hydra-db/hydradb HydraDB is an object-store-native distributed graph database written in Rust, using S3-compatible storage as the durable source of truth wi… | 69 | 13045 | active |
| Wei-Shaw/claude-relay-service A self-hosted relay/proxy service for Claude Code (and OpenAI, Gemini, Droid) subscriptions that lets multiple users share accounts via ind… | 83 | 12667 | active |
| drakkan/sftpgo SFTPGo is a full-featured, highly configurable file transfer server supporting SFTP, SCP, FTP/S, HTTP/S, and WebDAV, with pluggable storage… | 93 | 12647 | active |
| Infracost Infracost is a cloud cost intelligence tool that estimates monthly costs and flags FinOps best practices for Terraform, Terragrunt, CloudFo… | 90 | 12565 | active |
| moghtech/komodo Komodo is a self-hosted web application for building and deploying software across many servers, managing Docker containers, compose stacks… | 95 | 12393 | active |
| React Native Firebase React Native Firebase is a collection of well-tested, feature-rich React Native modules that connect JavaScript apps to native Firebase SDK… | 95 | 12318 | stable |
| Taskflow Taskflow is a header-only C++ library for building task-parallel programs using task dependency graphs, with a work-stealing executor for C… | 84 | 12188 | stable |
| QuantDinger QuantDinger is an open-source, self-hosted AI quantitative trading platform covering crypto, stocks, and forex. It combines AI multi-agent … | 76 | 12068 | active |
| Bisheng BISHENG is an open-source LLM DevOps (LLMOps) platform for building enterprise AI applications, offering GenAI workflow orchestration, RAG,… | 92 | 12032 | active |
| Meshery Meshery is an open-source, self-service engineering platform for collaboratively designing, deploying, and managing Kubernetes and cloud na… | 96 | 12030 | active |
| fivetran/great_expectations Great Expectations (GX Core) is a Python library for validating, documenting, and profiling data using declarative, human-readable assertio… | 95 | 11871 | active |
| Netmaker Netmaker is an open-source platform that automates the creation and management of WireGuard-based virtual mesh networks, from homelab to en… | 93 | 11826 | active |
| quickwit-oss/quickwit Quickwit is an open-source, cloud-native search engine written in Rust and powered by Tantivy, designed to run sub-second search and analyt… | 93 | 11676 | active |
| simplifaisoul/osiris OSIRIS is an open-source, real-time global intelligence (OSINT) dashboard that aggregates live flight tracking, maritime, CCTV, seismic, fi… | 70 | 11174 | active |
| aden-hive/hive OpenHive is a model-agnostic multi-agent harness and runtime layer for production AI workloads, organizing specialized agents into 'colonie… | 72 | 11090 | active |
| Spug Spug is a lightweight, agent-free open-source operations (DevOps) platform for small and medium enterprises, built with Django and React. I… | 99 | 11084 | active |
| Triton Inference Server NVIDIA Triton Inference Server is an open-source inference serving software that deploys AI models from multiple frameworks (TensorRT, PyTo… | 98 | 11075 | stable |
| SonarQube SonarQube is a continuous code inspection platform that performs static analysis to track code quality, security vulnerabilities, and techn… | 96 | 11035 | stable |
| Tyk API Gateway Tyk Gateway is a cloud-native, open-source API Gateway written in Go that supports REST, GraphQL, TCP, and gRPC protocols. It provides rate… | 93 | 10840 | stable |
| VoltAgent/voltagent VoltAgent is an open-source TypeScript framework for building production-ready AI agents with memory, tools, RAG, guardrails, MCP, voice, a… | 82 | 10773 | active |
| rolling-scopes/rsschool-app RS School App is the web application powering the Rolling Scopes School education process, helping thousands of students train as front-end… | 75 | 10399 | active |
| TARS Tars is a high-performance RPC framework based on name service and the Tars protocol, with an integrated administration platform and flexib… | 61 | 10084 | stable |
| GetBindu/Bindu Bindu is an open-source Python framework that provides the identity, communication, and payments layer for AI agents, implementing the A2A … | 77 | 10062 | active |
| TechnitiumSoftware/DnsServer Technitium DNS Server is an open-source, cross-platform authoritative and recursive DNS server built on .NET, designed for self-hosting wit… | 97 | 10032 | stable |
| gorse-io/gorse Gorse is an AI-powered open-source recommender system engine written in Go that ingests items, users, and interaction feedback and automati… | 95 | 9876 | active |
| PyCaret PyCaret is an open-source, low-code AutoML library for Python that wraps scikit-learn to automate training, tuning, and comparison of model… | 79 | 9846 | active |
| Spinnaker Spinnaker is an open-source, multi-cloud continuous delivery platform created at Netflix that combines flexible pipeline management with in… | 98 | 9802 | active |
| ModSecurity ModSecurity (libmodsecurity v3) is an open source, cross-platform web application firewall (WAF) engine written in C++ that inspects HTTP(S… | 88 | 9784 | stable |
| Apache SeaTunnel Apache SeaTunnel is a distributed, high-performance data integration platform for synchronizing massive amounts of data across hundreds of … | 91 | 9741 | stable |
| tidwall/tile38 Tile38 is an open-source, in-memory geospatial database and real-time geofencing server written in Go. It supports spatial indexing of poin… | 89 | 9739 | active |
| Higress Higress is a CNCF Sandbox, cloud-native AI-native API gateway built on Istio and Envoy, extensible with Wasm plugins written in Go, Rust, o… | 99 | 9568 | active |
| apache/jmeter Apache JMeter is a 100% Java open-source application for load testing and measuring the performance of web applications and other services.… | 66 | 9552 | stable |
| CoAI.Dev (Chat Nio) CoAI.Dev is a self-hostable, multi-tenant AI platform combining a ChatGPT-style chat UI with an enterprise-grade unified LLM gateway suppor… | 50 | 9323 | active |
| zhu1090093659/dsh-web dsh-web is a plugin aggregation ecosystem package for the DeepSeek Harness (DSH) Web GUI, bundling independently installable plugins such a… | 81 | 9152 | active |
| OctoPrint OctoPrint is a free, open-source web interface for controlling and monitoring consumer 3D printers from a browser. It offers remote print j… | 89 | 9141 | active |
| Artillery Artillery is an open-source load testing platform and CLI for stress-testing HTTP APIs, GraphQL, WebSocket, Socket.IO, gRPC, and browser ap… | 90 | 9091 | active |
| maximhq/bifrost Bifrost is a high-performance, open-source AI gateway written in Go that unifies access to 23+ LLM providers (OpenAI, Anthropic, AWS Bedroc… | 84 | 9004 | active |
| Opensabre Microservice Platform Opensabre is a microservices development platform built on Spring Cloud 2023, integrating Spring Security, Spring Cloud Alibaba (Nacos, Sen… | 75 | 8942 | active |
| BentoML BentoML is a Python framework for building online serving systems for AI apps and model inference, turning model inference scripts into RES… | 91 | 8909 | stable |
| Apache ShenYu Apache ShenYu is a Java-native, asynchronous, high-performance API gateway for service proxying, protocol conversion, and API governance ac… | 86 | 8901 | stable |
| redis/RedisInsight RedisInsight is an official visual GUI for Redis built with Electron, Monaco Editor, and Node.js. It lets developers browse and edit Redis … | 89 | 8869 | active |
| yogeshojha/rengine reNgine is a self-hosted automated web reconnaissance and vulnerability scanning framework with configurable recon engines, data correlatio… | 66 | 8869 | active |
| AI on the Edge Device A firmware application for ESP32-CAM boards that uses TensorFlow Lite CNNs on-device to digitize analog utility meters (water, gas, electri… | 74 | 8865 | active |
| mage-ai/mage-ai Mage OSS is a self-hosted data pipeline tool for building, running, and orchestrating ETL/ELT workflows in a notebook-style UI using Python… | 91 | 8835 | active |
| BornToBeRoot/NETworkManager NETworkManager is a free, open-source Windows application that bundles 27 network management and troubleshooting tools into a unified GUI, … | 86 | 8832 | active |
| yangzongzhuan/RuoYi RuoYi is a lightweight Java rapid development framework and admin management system built on Spring Boot, MyBatis, and Shiro. It ships with… | 77 | 8588 | active |
| dropwizard/dropwizard Dropwizard is a Java framework that bundles stable libraries (Jetty, Jersey, Jackson, Logback, Metrics, JDBI/Hibernate, Liquibase) into an … | 93 | 8583 | stable |
| DankMaterialShell DankMaterialShell is a complete desktop shell for Wayland compositors built with Quickshell (QML) and a Go backend. It replaces the usual p… | 82 | 8524 | active |
| RoadRunner RoadRunner is a high-performance PHP application server and process manager written in Go, extensible through a plugin system. It runs PHP … | 91 | 8509 | stable |
| Flux v2 Flux v2 is an open and extensible continuous delivery solution for Kubernetes that keeps clusters in sync with Git repositories and OCI art… | 99 | 8445 | stable |
| HariSekhon/DevOps-Bash-tools A collection of 1200+ DevOps Bash scripts covering cloud platforms (AWS, GCP, Azure), Kubernetes, Docker, CI/CD systems, databases, and pac… | 67 | 8430 | active |
| MetalLB MetalLB is a network load-balancer implementation for bare-metal Kubernetes clusters that provides Services of type LoadBalancer using stan… | 92 | 8381 | active |
| Dynamo NVIDIA Dynamo is an open-source, datacenter-scale distributed inference serving framework that orchestrates inference engines like vLLM, SG… | 88 | 8354 | active |
| davebcn87/pi-autoresearch A pi extension that runs autonomous optimization loops: try an idea, benchmark it, keep improvements, and revert regressions. Inspired by k… | 82 | 8162 | active |
| hatchet-dev/hatchet Hatchet is an open-source (MIT) orchestration engine for background tasks, AI agents, and durable workflows, available as a cloud service o… | 90 | 8158 | active |