Open Source Alternatives to Lunar.dev
40 open source Enterprise options similar to Lunar.dev, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
Backslash Security56CybersecurityTel Aviv, Israel$27.0MAgentic endpoint security for AI coding, providing visibility, governance, and real-time protection.
Open source
Probabl54MLOpsParis, France$18.5MTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
WireMock53Enterprise$6.5MIndustry-standard API simulation and mocking platform for reliable software development and testing.
Open source · Self-hostable
Causari10Agentic AICausari provides structured causal knowledge to AI agents for tracing cause and effect, finding historical patterns, and searching for impactful events.
Open source · Self-hostable
MetalBear56Software DevelopmentSan Francisco, United States$12.5MOpen-core company building tools for modern backend engineers to ship faster and better.
Open source · Self-hostable
KiloClaw54Artificial IntelligenceA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
RelAI51Agentic AISan Francisco, United States$10.0MAn open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.
Open source · Self-hostable
Archestra.AI50Artificial IntelligenceLondon, United Kingdom$10.0MAn open-source platform enabling enterprises to securely connect sensitive data to AI agents.
Open source · Self-hostable
Bubble Lab45Artificial IntelligenceOpen-source, Typescript-native agentic workflow builder for natural language to code generation.
Open source · Self-hostable
Slauth.io43EnterpriseAshburn, United States$1.5MArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
Open source · Self-hostable
Amplication33EnterpriseTel Aviv, IsraelOpen-source Node.js backend development platform for accelerating application development.
Open source · Self-hostable
Langflow32Agentic AILisbon, PortugalLow-code platform for building, iterating, and deploying AI applications, especially RAG and multi-agent systems.
Open source · Self-hostable
CRAB27Agentic AIAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
Faremeter22FintechOpen-source framework enabling autonomous AI agents to make frictionless web3 payments via web2 infrastructure.
Open source · Self-hostable
Apache Airflow20MLOpsOpen-source platform for programmatically authoring, scheduling, and monitoring data pipelines.
Open source · Self-hostable
LLMStack15Agentic AIOpen-source, no-code platform for building and deploying AI agents, workflows, and generative AI applications.
Open source · Self-hostable
- Agentjail10Agentic AI
Policy guardrails for coding agents to block dangerous tool calls before they are fired.
Open source
Lullabeast9MLOpsAn autonomous developer pipeline that builds applications phase by phase against a Git repository.
Open source · Self-hostable
- HUHumanSignal7Agentic AI
Adala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.
Open source · Self-hostable
Grafana Labs80ObservabilityNew York, United StatesCommercializes the open-source Grafana observability platform with AI features.
Open source · Self-hostable
H2O.ai64Foundation ModelMountain View, United States$228.1MAn open-source AI and machine learning platform for enterprises.
Open source · Self-hostable
Logz.io63EnterpriseTel Aviv, Israel$132.0MLogz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.
Open source · Self-hostable
Codefresh62EnterpriseBrisbane, Australia$42.0MOctopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.
Open source · Self-hostable
DragonflyDB61DatabaseTel Aviv, Israel$21.0MSource-available, multi-threaded Redis replacement for modern cloud workloads.
Open source · Self-hostable
CIQ59Artificial IntelligenceReno, United States$26.0MSponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.
Open source
Appwrite58EnterpriseSan Francisco, United States$37.0MOpen-source backend-as-a-service platform for building scalable applications.
Open source · Self-hostable
WSO254Artificial IntelligencePalo Alto, USA$63.0MAn open-source technology provider offering an open control plane for AI agents.
Open source · Self-hostable
CloudQuery53EnterpriseSan Francisco, United States$18.5MOpen-source data integration platform for security and infrastructure teams.
Open source · Self-hostable
Infisical51Developer ToolsSan Francisco, United States$34.8MOpen-source platform for managing secrets and sensitive data for developers.
Open source · Self-hostable
Kestra49Data OrchestrationParis, France$36.0MAn open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.
Open source · Self-hostable
Novu48EnterpriseTel Aviv, Israel$6.6MOpen-source notification infrastructure for developers, empowering the community.
Open source · Self-hostable
Keep45EnterpriseSan Francisco, United States$2.5MOpen-source alert management platform using AI to reduce noise and improve alert actionability for engineers.
Open source · Self-hostable
Cua39AI AgentSan Francisco, United States$500KCua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.
Open source
Responsive35EnterpriseSan Francisco, United StatesPlatform for developers building stateful reactive applications on the modern cloud with object store native databases.
Open source · Self-hostable
Swagger26API DevelopmentSomerville, United StatesA suite of open-source and professional tools for API design, development, documentation, and testing.
Open source · Self-hostable
MLflow25MLOpsSeattle, United StatesOpen-source platform for managing the ML lifecycle, from experimentation to deployment.
Open source · Self-hostable
- Procfunc23Developer Tools
A service written as a plain Go function, supervised by lesiw.io/proc for reliability and distribution.
Open source
Maige10Open SourceOpen-source infrastructure for automating natural language workflows directly on your codebase.
Open source · Self-hostable
DocsGPT8Open SourceOpen-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.
Open source · Self-hostable
Kaos Control7Developer ToolsAn open-source lifecycle management tool delivered as a single Go binary to guide ideas through capture, requirements, planning, development, testing, and release.
Open source

