Alternatives to Fastify
The top Developer Tools companies similar to Fastify, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
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npm66Developer ToolsOakland, USA$10.6MThe world's largest software registry for JavaScript packages and the default package manager for Node.js.
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Gitpod63Developer ToolsTübingen, Germany$28.0MCloud Development Environments for efficient and secure team software development.
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Qovery60Developer ToolsParis, France$18.0MCloud-native application platform for developers to deploy and manage applications.
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Bun59Developer ToolsSan Francisco, United States$7.0MA fast, all-in-one JavaScript toolkit including a runtime, bundler, test runner, and package manager.
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Cypress58Developer ToolsAtlanta, United States$53.3MA developer-friendly testing framework for the modern web.
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Steel.dev58Developer ToolsTel Aviv, Israel$17.0MCloud-based browser API for AI agents, simplifying web automation with anti-bot protection and session persistence.
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Backstage57Developer ToolsStockholm, Sweden$63.0MAn open-source developer portal for building and managing software.
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Liblab55Developer ToolsAustin, United States$42.0MSDK-as-a-service platform for API providers, offering code generation and SDK management to enhance developer experience.
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Usekernel53Developer ToolsSan Francisco, United States$22.0MA platform simplifying browser automation with a focus on developer experience.
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Infisical51Developer ToolsSan Francisco, United States$34.8MOpen-source platform for managing secrets and sensitive data for developers.
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edgX is a startup focused on developing an open-source edge computing platform for real-time AI and IoT applications.
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GitHits45Developer ToolsHelsinki, Finland$1.5MThe Google of code search for open-source.
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Codefresh62EnterpriseBrisbane, Australia$42.0MOctopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.
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Run:AI61ComputingTel Aviv, Israel$118.0MVirtualizes expensive AI hardware to enable efficient pooling, sharing, and allocation of resources.
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Marimo40Developer ToolsSan Francisco, United States$4.5BOpen-source reactive Python notebook for data and AI workloads.
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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.
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Mirantis58Cloud InfrastructureCampbell, United States$255.0MMirantis provides cloud-native infrastructure and AI platforms for enterprises to manage and operate complex environments.
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A service written as a plain Go function, supervised by lesiw.io/proc for reliability and distribution.
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Akash Network56DePINSan Francisco, United States$2.0MDecentralized cloud marketplace for compute resources, leveraging blockchain technology (DePIN).
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Circleci55CI/CDSan Francisco, United States$1.5MA continuous integration and continuous delivery (CI/CD) platform that automates software development workflows for developers.
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Wing Cloud54EnterpriseTel Aviv, Israel$20.0MAn abstraction layer unifying cloud infrastructure and application code into a single programming and operational model.
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Fermyon54WebAssemblyBellevue, United States$41.0MFermyon builds and deploys WebAssembly (Wasm) applications for the cloud.
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SereneDB49DatabaseSan Francisco, United States$3.8MA real-time search analytics database unifying search and analytics in a single platform.
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Featherless.ai47Artificial IntelligenceSan Francisco, USA$20.0MA serverless inference platform for hosting open-source AI models.
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Elasticsearch85Search EngineAmsterdam, Netherlands$104.0MOpen-source search and analytics engine for data exploration and real-time insights.
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Belmo9Developer ToolsDeploy apps in minutes with AI monitoring, no DevOps needed.
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Databricks82Data AnalyticsSan Francisco, United States$36.7BA unified data analytics and AI platform built on the lakehouse architecture.
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Noobaa41EnterpriseSan Francisco, United States$5.0MNooBaa provides an open-source, S3-compatible object storage platform for managing data across private and public clouds.
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Transient.AI .38Cloud InfrastructureSan Francisco, United States$20.0MTransient provides a platform for managing and orchestrating complex cloud-native applications and workflows.
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Mastra77Agentic AISan Francisco, United States$35.5MAn open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.
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verda37Cloud InfrastructureTel Aviv, Israel$122.0MVerda provides a cloud platform for developers to deploy and manage applications.
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Snyk76AI 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.
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Leader in Open Source and Cloud-native infrastructures: Cybersecurity, GreenOps, Managed Services, Hosting, Cloud Consulting.
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WooCommerce (Automattic)76E-commerceSan Francisco, United States$815.7MA free, open-source e-commerce plugin for WordPress, empowering businesses to build and manage online stores.
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Together AI76AI InfrastructureSan Francisco, United States$906.0MAI acceleration cloud platform for open source and enterprise.
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Hugging Face76AINew York, United States$395.2MHugging Face is the leading AI community and platform for machine learning collaboration, enabling developers to build, share, and deploy models, datasets, and applications.
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BoringstackDeveloper ToolsPre-configured GitHub templates for building modern web applications with UI, API, and infrastructure.
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Redis75DatabaseSan Francisco, United States$906.8MRedis is an open-source, in-memory data platform used as a database, cache, and message broker, powering real-time applications at scale.
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Tesla is an electric vehicle and clean energy company that is increasingly focused on AI and robotics.
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Automattic73Web 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.
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Glitch37Developer ToolsNew York, United StatesA collaborative coding platform that makes building and deploying web applications easy.
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Qdrant71Vector DatabaseBerlin, Germany$87.5MHigh-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.
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nscale70MLOpsSan Francisco, United States$5.9Bnscale provides a cloud-native platform for managing and optimizing Kubernetes deployments.
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Ubuntu70Operating SystemsLondon, United Kingdom$63.0MA popular open-source Linux distribution.
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Docker70SoftwareSan Francisco, USA$105.0MDocker is a technology platform that uses OS-level virtualization to deliver software in packages called containers.
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Neon70DatabaseSan Francisco, United States$1.2BA serverless Postgres database with separation of storage and compute.
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Open source Firebase alternative with a PostgreSQL backend and real-time capabilities.
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Netlify70Cloud 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.
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Airbyte70Data IntegrationSan Francisco, United States$181.0MAn open-source data integration platform for ELT, reverse-ETL, and AI agents.
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Dremio69Data LakeSanta Clara, United States$395.0MSelf-service analytics on data lakes with data warehouse functionality and data lake flexibility.
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Elementor69WebsiteRamat 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.
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Spectro Cloud69Artificial IntelligenceSan Jose, United States$100.0MSimplifies the deployment, governance, and operation of AI infrastructure at scale.
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Grafana Cloud69ObservabilityNew York, United States$2.1BFull-stack observability platform built on open standards for unifying telemetry and accelerating troubleshooting.
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Kyutai68Frontier AI LabParis, France$300.0MA non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.
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ClickHouse Cloud68DatabaseSan Francisco, United States$1.1BFully managed ClickHouse service for real-time analytics on AWS, GCP, and Azure.
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Posit67Data Science PlatformBoston, United States$169.9MOpen-source data science platform for enterprise teams, enabling collaboration and reproducible results.
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ScyllaDB67DatabasePalo Alto, United States$101.0MScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.
Compare Fastify head to head
Side by side on what each one does, what it costs, and what real users report.