Open Source Alternatives to CodeSandbox
18 open source Developer Tools options similar to CodeSandbox, 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.
Steel.devNot ratedCloud-based browser API for AI agents, simplifying web automation with anti-bot protection and session persistence.
Open source · Self-hostable
KiloClawNot ratedA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
Bubble LabNot ratedOpen-source, Typescript-native agentic workflow builder for natural language to code generation.
Open source · Self-hostable
ComputeSDKNot ratedComputeSDK provides an open-source platform for benchmarking cloud infrastructure, including AI gateways, sandboxes, storage, and browsers, and offers a unified SDK for running code in remote sandboxes.
Open source
Andurel V2Not ratedSpace-Grade Go Web Framework
Open source
Together AINot ratedTogether AI offers an AI-native cloud platform providing high-performance inference APIs, GPU clusters, and fine-tuning capabilities for open-source AI models.
Open source · Self-hostable
QdrantNot ratedHigh-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.
Open source · Self-hostable
CuaNot ratedCua 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
- SupabaseNot rated
Open source Firebase alternative with a PostgreSQL backend and real-time capabilities.
Open source · Self-hostable
GitpodNot ratedCloud Development Environments for efficient and secure team software development.
Open source · Self-hostable
CodefreshNot ratedOctopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.
Open source · Self-hostable
AppwriteNot ratedOpen-source backend-as-a-service platform for building scalable applications.
Open source · Self-hostable
MetalBearNot ratedOpen-core company building tools for modern backend engineers to ship faster and better.
Open source · Self-hostable
Elementary DataNot ratedElementary Data provides a unified data control plane for the AI era, offering observability, quality, governance, and discovery for data and AI reliability.
Open source
TestkubeNot ratedOpen-source Kubernetes-native testing framework for CI/CD.
Open source · Self-hostable
ResponsiveNot ratedPlatform for developers building stateful reactive applications on the modern cloud with object store native databases.
Open source · Self-hostable
SeleniumNot ratedAn open-source framework for automating web browsers for testing and administration tasks.
Open source · Self-hostable
ChartDBNot ratedVisualize, edit, and collaborate on database schemas instantly with a powerful DB diagram editor.
Open source · Self-hostable

