Open Source Alternatives to esbuild
60 open source Developer Tools options similar to esbuild, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Webpack29Developer ToolsOpen-source module bundler for JavaScript applications, transforming front-end assets into static files.
Open source · Self-hostable
TanStack50Software DevelopmentSan Francisco, Canada$1.0MDeveloper tools for building modern web applications.
Open source · Self-hostable
Assistant-ui43AI Chat InterfaceSan Francisco, United States$500KOpen-source React library for building production-grade AI chat interfaces.
Open source · Self-hostable
Pretext18Web DevelopmentA zero-dependency TypeScript library for multiline text measurement and layout entirely in userland, bypassing DOM performance bottlenecks.
Open source · Self-hostable
WebDriverIO10Developer ToolsAn open-source, Node.js-based framework for web and mobile automation testing.
Open source · Self-hostable
ReactJS TemplatesWeb DevelopmentProvides free, modern, and ready-to-use React JS templates for various web applications.
Open source · Self-hostable
BoringstackDeveloper ToolsPre-configured GitHub templates for building modern web applications with UI, API, and infrastructure.
Open source · Self-hostable
Mastra75Agentic AISan Francisco, United States$35.5MAn open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.
Open source · Self-hostable
Automattic71Web DevelopmentSan Francisco, United States$300.0MThe company behind WordPress.com, WooCommerce, Tumblr, and Jetpack, empowering individuals and businesses to build and manage their online presence.
Open source · Self-hostable
Vercel70Web DevelopmentSan Francisco, United States$687.5MA frontend cloud platform for building, scaling, and securing web experiences.
Open source
Glitch37Developer ToolsNew York, United StatesA collaborative coding platform that makes building and deploying web applications easy.
Open source · Self-hostable
vxtwitter.com31Web DevelopmentSan Francisco, United StatesThe world's leading platform for software development and version control, enabling collaboration and code hosting for millions of developers.
Open source · Self-hostable
fixupx.com26Web DevelopmentSan Francisco, United StatesThe world's leading software development platform for version control and collaboration.
Open source · Self-hostable
- BIBit11EnterpriseTel Aviv, Israel
Bit provides a component platform for software development teams to discover, organize, and collaborate on reusable code components.
Open source · Self-hostable
TestCafe7Developer ToolsAn open-source Node.js tool for automated web testing, simplifying end-to-end test creation and execution across browsers.
Open source · Self-hostable
Cadenceos6Operating SystemCadenceOS is an open-source operating system designed for web-based applications and cloud-native environments, offering a secure and flexible platform.
Open source · Self-hostable
Snyk85AI Coding AssistantBoston, United States$488.5MSnyk is a developer security platform that helps software teams find and fix vulnerabilities in code, open source dependencies, containers, and cloud infrastructure.
Open source · Self-hostable
- GRGrafana Labs80ObservabilityNew York, United States
Commercializes the open-source Grafana observability platform with AI features.
Open source · Self-hostable
Elementor79WebsiteRamat Gan, Israel$65.8MElementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.
Open source · Self-hostable
Together AI76AI InfrastructureSan Francisco, United States$906.0MAI acceleration cloud platform for open source and enterprise.
Open source · Self-hostable
Grafana Cloud74ObservabilityNew York, United States$2.1BFull-stack observability platform built on open standards for unifying telemetry and accelerating troubleshooting.
Open source · Self-hostable
Airbyte71Data IntegrationSan Francisco, United States$181.0MAn open-source data integration platform for ELT, reverse-ETL, and AI agents.
Open source · Self-hostable
Qdrant70Vector DatabaseBerlin, Germany$96.5MHigh-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.
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
Logz.io69EnterpriseTel 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
Netlify69Cloud ComputingSan Francisco, United States$202.1MPlatform for building, deploying, and scaling modern web applications instantly, offering a unified workflow for full-stack apps, APIs, data, and AI features.
Open source
Posit68Data Science PlatformBoston, United States$169.9MOpen-source data science platform for enterprise teams, enabling collaboration and reproducible results.
Open source · Self-hostable
YugabyteDB67DatabaseSunnyvale, United States$266.0MDistributed SQL database for cloud-native applications, offering high availability and horizontal scalability.
Open source · Self-hostable
ScyllaDB66DatabasePalo Alto, United States$101.0MScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.
Open source · Self-hostable
- PUPulumi66Infrastructure as CodeSeattle, United States$228.5M
Modern infrastructure as code platform enabling developers to manage cloud resources using familiar programming languages.
Open source · Self-hostable
Firebolt65Cloud Data WarehousePalo Alto, United States$269.0MCloud data warehouse for building next-gen analytics experiences with sub-second performance, designed for engineers and AI agents.
Open source
npm65Developer ToolsOakland, USA$10.6MThe world's largest software registry for JavaScript packages and the default package manager for Node.js.
Open source · Self-hostable
Gitpod64Developer ToolsTübingen, Germany$28.0MCloud Development Environments for efficient and secure team software development.
Open source · Self-hostable
CopilotKit64Agentic AISan Francisco, United States$42.0MEnterprise Agentic Frontend Stack for building generative UIs and fullstack agentic applications.
Open source
ClearML64AutoMLTel Aviv, Israel$11.0MOpen-source, end-to-end MLOps platform for enterprise AI development and deployment.
Open source · Self-hostable
Airweave63Agentic AISan Francisco, United States$6.0MOpen-source tool to transform application data into accessible knowledge for AI agents.
Open source · Self-hostable
Trigger Device Inc63AI AgentsLondon, United Kingdom$16.5MAn open-source platform for building and deploying AI agents and workflows.
Open source · Self-hostable
LiteLLM62Foundation ModelSan Francisco, United StatesAn open-source Python library providing a unified interface for interacting with various LLM providers.
Open source · Self-hostable
DragonflyDB62DatabaseTel Aviv, Israel$21.0MSource-available, multi-threaded Redis replacement for modern cloud workloads.
Open source · Self-hostable
- STStackBlitz62Developer ToolsBerlin, Germany$113.4M
Browser-based IDE powered by WebContainers for instant web development environments.
Open source
Odigos62Enterprise$13.0MOpen-source project for instant distributed tracing and metrics using eBPF and OpenTelemetry.
Open source · Self-hostable
Chainguard62CybersecuritySeattle, United States$385.0MSecures the software supply chain with verifiable builds and open-source security tooling.
Open source · Self-hostable
Chroma61Artificial IntelligenceSan Francisco, United States$20.3MOpen-source AI-native vector database that makes knowledge and memory pluggable for LLM applications.
Open source · Self-hostable
Applitools61EnterpriseSan Mateo, United States$41.5MAI-powered visual testing and monitoring for web, mobile, and desktop applications.
Open source
Codefresh61EnterpriseBrisbane, Australia$42.0MOctopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.
Open source · Self-hostable
Canonical60Open SourceLondon, United Kingdom$348KCanonical develops and supports Ubuntu, a leading open-source operating system for cloud, servers, and edge devices.
Open source · Self-hostable
Metabase60Data AnalyticsSan Francisco, United States$8.0MOpen-source business intelligence and embedded analytics platform.
Open source · Self-hostable
Mend60Open SourceTel Aviv, Israel$121.5MMend.io provides application security and open-source software management solutions to help organizations reduce risk and accelerate development.
Open source · Self-hostable
Bun59Developer ToolsSan Francisco, United States$7.0MA fast, all-in-one JavaScript toolkit including a runtime, bundler, test runner, and package manager.
Open source · Self-hostable
Liblab58Developer 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
Xata58DatabaseSan Francisco, United States$35.0MOpen-source Postgres platform for agent scale with copy-on-write branching.
Open source · Self-hostable
Comfy Org58AI Image Generation$30.0MComfy is an AI creation engine for visual professionals, offering granular control over AI models, parameters, and outputs through a node-based workflow on an infinite canvas.
Open source
Cypress58Developer ToolsAtlanta, United States$53.3MA developer-friendly testing framework for the modern web.
Open source · Self-hostable
pgEdge, Inc.58DatabaseSan Francisco, United States$24.0MpgEdge offers distributed PostgreSQL that is optimised for the network edge in order to reduce data latency.
Open source · Self-hostable
Appwrite58EnterpriseSan Francisco, United States$37.0MOpen-source backend-as-a-service platform for building scalable applications.
Open source · Self-hostable
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MCloud-based browser API for AI agents, simplifying web automation with anti-bot protection and session persistence.
Open source · Self-hostable
Deepchecks58MLOpsTel Aviv, Israel$18.3MOpen-source Python library for validating ML models and data, ensuring reliability and quality.
Open source · Self-hostable
Treeverse57DataOpsTel Aviv, Israel$23.0MOpen-source data lake management platform for engineers and data scientists.
Open source · Self-hostable
Backstage57Developer ToolsStockholm, Sweden$63.0MAn open-source developer portal for building and managing software.
Open source · Self-hostable
ChainSafe Systems57Web3Toronto, Canada$18.8MLeading Web3 infrastructure firm specializing in protocol engineering, cross-chain interoperability, and Web3 gaming.
Open source · Self-hostable