Open Source Alternatives to Steel.dev
60 open source Developer Tools options similar to Steel.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.
Auto-GPT53Agentic AI$12.0MOpen-source autonomous AI agent platform that automates complex digital workflows.
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
Magnitude50Agentic AISan Francisco, United States$10.0MOpen-source, vision-first browser agent for natural language control and web task automation.
Open source · Self-hostable
All-Hands AI49Agentic AIBoston, United States$5.0MAn open-source platform for building and running AI coding agents that automate software development tasks.
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
OpenClaw34Agentic AISan Francisco, United StatesOpen-source AI agent framework for automating tasks across messaging platforms and software systems.
Open source · Self-hostable
- BABabyAGI17Agentic AI
Experimental open-source framework for building self-building autonomous agents with a novel function framework.
Open source · Self-hostable
- HUHumanSignal7Agentic AI
Adala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.
Open source · Self-hostable
Lastsaas2SaaS BoilerplateLastSaaS is an open-source SaaS boilerplate designed for AI-assisted development, offering a complete foundation for launching SaaS businesses.
Open source
Bubble Lab45Artificial IntelligenceOpen-source, Typescript-native agentic workflow builder for natural language to code generation.
Open source · Self-hostable
Superagent35Agentic AISan Francisco, United StatesOpen-source infrastructure for coding agents, enabling AI to plan, generate, and deploy software autonomously.
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
Faremeter22FintechOpen-source framework enabling autonomous AI agents to make frictionless web3 payments via web2 infrastructure.
Open source · Self-hostable
Upsonic19Developer ToolsLondon, United KingdomOpen-source Python framework for building autonomous AI agents and agentic workflows, purpose-built for FinTech operations.
Open source · Self-hostable
LLMStack16Agentic AIOpen-source, no-code platform for building and deploying AI agents, workflows, and generative AI applications.
Open source · Self-hostable
OpenDevin12AI Agent PlatformAn open-source platform for developing AI-powered autonomous software engineering agents.
Open source · Self-hostable
Codel8Agentic AIAn open-source, autonomous AI agent for complex tasks using terminal, browser, and editor interactions.
Open source · Self-hostable
- Idoris8Agentic AI
An open-source, AI-powered brain for organizations, offering a workbench for builders, tailored solutions, and an agent legion.
Open source
- AGAgent Pilot7Agentic AI
An open-source platform for creating, managing, and interacting with AI workflows and agents.
Open source · Self-hostable
- GEGeniA6Agentic AI
Open-source AI platform engineering team member for production environments, automating tasks and learning tools.
Open source · Self-hostable
Sharedos8Agentic AIOpen-source infrastructure for permissioned agent-to-agent communication: a deny-by-default kernel for file access and tool calls, with pluggable agent runtimes.
Open source
Qdrant71Vector DatabaseBerlin, Germany$87.5MHigh-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.
Open source · Self-hostable
Airweave61Agentic AISan Francisco, United States$6.0MOpen-source tool to transform application data into accessible knowledge for AI agents.
Open source · Self-hostable
Trigger Device Inc59AI AgentsLondon, United Kingdom$16.5MAn open-source platform for building and deploying AI agents and workflows.
Open source · Self-hostable
Liblab55Developer ToolsAustin, United States$42.0MSDK-as-a-service platform for API providers, offering code generation and SDK management to enhance developer experience.
Open source · Self-hostable
Probabl54MLOpsParis, France$18.5MTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
BrowserUse52Agentic AISan Francisco, United States$17.0MProvides tools and services for automated browser testing and scraping.
Open source · Self-hostable
RelAI51Agentic AISan Francisco, United States$6.9MAn open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.
Open source · Self-hostable
SmythOS45Agentic AISan Francisco, United StatesOpen-source AI operating system for launching and scaling specialized AI agent networks.
Open source · Self-hostable
PromptQL45Artificial IntelligenceSan Francisco, United StatesAn AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.
Open source · Self-hostable
Twill37Agentic AISan Francisco, United StatesAn AI software engineer that connects your repositories and infrastructure to autonomously complete development tasks, improving with every run.
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
Parlant26AI AgentsTel Aviv, IsraelParlant is an open-source conversational AI engine dedicated to solving the Human/AI alignment problem by enabling Large Language Models to reliably perform as desired and prevent hallucinations.
Open source · Self-hostable
Kantu26Workflow AutomationOpen-source browser extension and RPA software for automating web and desktop workflows.
Open source · Self-hostable
Agentguardx26AI TestingAn open-source red-teaming toolkit for testing the security of LLM-powered agents, auditing prompt injection, memory poisoning, and tool abuse.
Open source
Inconvo25Agentic AIUnknown, UnknownInconvo is an open-source platform for building data agents on production data with safe queries, permissions, and structured outputs.
Open source · Self-hostable
Camunda Pte. Limited20Workflow AutomationBerlin, GermanyCamunda provides an open-source process automation platform for orchestrating human and system workflows.
Open source · Self-hostable
Codename Goose14Developer ToolsAn open-source framework for on-machine AI agents developed by Block's Open Source Program Office.
Open source · Self-hostable
- Agentjail10Agentic AI
Policy guardrails for coding agents to block dangerous tool calls before they are fired.
Open source
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
MCP.so10Developer ToolsA community-driven marketplace for discovering and deploying Model Context Protocol (MCP) servers and clients.
Open source · Self-hostable
- Mediaskills9Agentic AI
Open-source Agent Skills for video, audio, captions, timecode, and broadcast workflows. Search 13 skills, 80+ operations, and end-to-end cookbooks for AI agents.
Open source
Lullabeast9MLOpsAn autonomous developer pipeline that builds applications phase by phase against a Git repository.
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
Fractask7Open SourceOpen-source task tree for humans and AI, built around the Fractask method.
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
Openfigs7Agentic AIThe open skeleton for one back-office AI employee, a focused agent you clone, not install.
Open source · Self-hostable
- Cavi Ai7Agentic AI
Open-source infrastructure, developer tools, and research for agent runtimes.
Open source
- Openfigs6Agentic AI
The open skeleton for one back-office AI employee, a focused agent you clone, not install.
Open source
Plugmcp6API PlatformConnects REST, SOAP, OData, GraphQL, SQL, and file systems to AI agents via a governed gateway.
Open source
Mastra77Agentic AISan Francisco, United States$35.5MAn open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.
Open source · Self-hostable
Together AI76AI InfrastructureSan Francisco, United States$906.0MAI acceleration cloud platform for open source and enterprise.
Open source · Self-hostable
- Supabase70DatabaseSan Francisco, United States$933.0M
Open source Firebase alternative with a PostgreSQL backend and real-time capabilities.
Open source · Self-hostable
npm66Developer ToolsOakland, USA$10.6MThe world's largest software registry for JavaScript packages and the default package manager for Node.js.
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
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
Vanna AI57Agentic AINew York, United States$2.5MAn open-source AI-powered SQL agent for natural language database interaction and data insights.
Open source · Self-hostable
Mem056Agentic AISan Francisco, United States$23.9MPersistent memory layer for AI agents and 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