Buyer checklist

What to verify before adopting

  1. Is self-hosting a supported deployment path or only technically possible?
  2. Are upgrades, backups, and operational requirements documented?
  3. Does the license permit the deployment and modification model you need?

Explore this ecosystem by job

AI Agent Tools49Developer Infrastructure28Observability27Task Management26Cloud Hosting24Notes & Knowledge Base19Uptime Monitoring19Media Management18

Evidence ranking

Leading projects in this ecosystem

Ordered by ToolVitals score, health, shipping, confidence, and adoption tie-breakers. Openness labels are shown explicitly.

#ToolHealthShippingStarsOpennessScore
1n8nFair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.100100198.3kFair-code, not OSI-approved100
2Strapi🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.10010072.7kOSI-approved OSS100
3ClickHouseClickHouse® is a real-time analytics database management system10010048.9kOSI-approved OSS100
4Rocket.ChatThe Secure CommsOS™ for mission-critical operations10010045.9kOSI-approved OSS100
5Reactive ResumeA one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!10010039.8kOSI-approved OSS100
6ToolJetToolJet is the open-source foundation of ToolJet AI - the enterprise app generation platform for building internal tools, dashboard, business applications, workflows and AI agents 🚀10010038.3kOSI-approved OSS100
7Nextcloud☁️ Nextcloud server, a safe home for all your data10010036.3kOSI-approved OSS100
8Langfuse🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W2310010032kOSI-approved OSS100
9SigNozSigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.10010031.7kOSI-approved OSS100
10NetBirdZero-configuration mesh VPN for business.10010027.8kOSI-approved OSS100
11OnyxOpen Source AI Platform - AI Chat with advanced features that works with every LLM9810031.2kOSI-approved OSS99
12BifrostFastest enterprise AI gateway (50x faster than LiteLLM) with adaptive load balancer, cluster mode, guardrails, 1000+ models support & <100 µs overhead at 5k RPS.981006.8kOSI-approved OSS99
13FlagsmithFlagsmith is an open source feature flagging and remote config service. Self-host or use our hosted version at https://app.flagsmith.com.981006.5kOSI-approved OSS99
14SuperplaneThe open source control plane for platform engineering.981004.4kOSI-approved OSS99
15Nao👾 nao is an open source analytics agent. (1) Create context with nao-core cli, (2) deploy nao chat interface for everyone981001.5kOSI-approved OSS99
16GiteaGit with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD989557.1kOSI-approved OSS98
17PuterOpen-source, self-hostable internet computer platform.989542.9kOSI-approved OSS98
18ChatwootOpen-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬989534.8kOSI-approved OSS98
19SvixThe open source and enterprise-ready webhooks service 🦀961003.3kOSI-approved OSS98
20TracecatOpen-source security automation platform for teams and AI agents96983.7kOSI-approved OSS98
21ImmichHigh performance self-hosted photo and video management solution.95100109kOSI-approved OSS98
22AFFiNEThere can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.9510070.9kOSI-approved OSS98
23UnslothWeb UI for training and running open models like Gemma 4, Qwen3.5, DeepSeek, gpt-oss locally.9510069kOSI-approved OSS98
24MicroSandbox🧱 secure, local and programmable sandboxes for AI agents951007kOSI-approved OSS98
25ProxmoxVE ScriptsProxmox VE Helper-Scripts (Community Edition)9510029.1kOSI-approved OSS97
26DaguSelf-hosted workflow engine for scripts, cron jobs, containers, and ops automation. YAML workflows, retries, logs, approvals, and optional distributed workers.95983.7kOSI-approved OSS97
27NotesnookA fully open source & end-to-end encrypted note taking alternative to Evernote.949814.3kOSI-approved OSS97
28MatomoEmpowering People Ethically 🚀 — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics, giving you complete control and built-in privacy. Easily collect, visualise, and analyse data from websites & apps. Star us on GitHub ⭐️ – Pull Requests welcome!9310021.7kOSI-approved OSS97
29HyperDXResolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.931009.8kOSI-approved OSS97
30OlaresOlares: An Open-Source Personal Cloud to Reclaim Your Data931005.1kOSI-approved OSS97
31Kaneo🎯 All you need. Nothing you don't. Open source project management that works for you, not against you.931003.9kOSI-approved OSS97
32Artifact KeeperOpen-source universal artifact registry. Drop-in Artifactory/Nexus alternative with 40+ package formats, security scanning, WASM plugins, and edge replication.93100874OSI-approved OSS97
33DocumensoThe Open Source DocuSign Alternative.988914.2kOSI-approved OSS96
34Stirling-PDF#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere959388.2kOSI-approved OSS96
35Maxun🔥 The open-source no-code platform for web scraping, crawling, search and AI data extraction • Turn websites into structured APIs in minutes 🔥959316.9kOSI-approved OSS96
36dograhOpen-source voice agent platform.931005kOSI-approved OSS96
37NocoBaseNocoBase is the most extensible AI-powered no-code/low-code platform for building business applications and enterprise solutions.939823.5kOSI-approved OSS96
38FormbricksOpen Source Qualtrics Alternative939812.7kOSI-approved OSS96
39InsForgeOpen-source backend platform for agentic coding with database, auth, storage, compute, hosting, and AI gateway components.939812.5kOSI-approved OSS96
40eGroupwareWeb-based groupware server for calendars, contacts, webmail, and project collaboration.9398295OSI-approved OSS96
41JitsuJitsu is an open-source Segment alternative. Fully-scriptable data ingestion engine for modern data teams. Set-up a real-time data pipeline in minutes, not days92984.8kOSI-approved OSS96
42AgentaThe open-source LLMOps platform: prompt playground, prompt management, LLM evaluation, and LLM observability all in one place.92984.4kOSI-approved OSS96
43FlexpriceUsage-based pricing and billing for developers 🔓 Cloud or self-hosted ⚙️ No-code UI 💰 Realtime usage metering 🎟 Credits & top-ups 🔑 Control feature access92983.6kOSI-approved OSS96
44FluxerA free and open source instant messaging and VoIP platform built for friends, groups, and communities. Self-hosting and more activity in this repository is coming very soon! See the README.93959.8kOSI-approved OSS95
45TREKA self-hosted travel/trip planner with real-time collaboration, interactive maps, PWA support, SSO, budgets, packing lists, and more.939310.7kOSI-approved OSS95
46PasswordPusher🔐 Securely share sensitive information with automatic expiration & deletion after a set number of views or duration. Track who, what and when with full audit logs.92953.1kOSI-approved OSS95
47MoltisPersistent personal agent server with multi-provider LLM support.911002.8kOSI-approved OSS95
48Open WebUIUser-friendly AI Interface (Supports Ollama, OpenAI API, ...)9195147kOSI-approved OSS95
49Open MercatoAI‑supportive CRM / ERP / Business application framework — built to power R&D, operations, and growth. It’s modular, extensible, and designed for teams that want strong defaults with room to customize everything. Better than Django, Retool and other alternatives - and Enterprise Grade!91951.5kOSI-approved OSS95
50HyperswitchAn open source payments switch written in Rust to make payments fast, reliable and affordable948943.4kOSI-approved OSS94

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