Deno is an open-source JavaScript and TypeScript runtime that provides built-in security features and a complete toolchain, enabling developers to write type-safe code without complex configurations. It addresses the challenges of dependency vulnerabilities and configuration overhead by offering a secure environment with native support for modern web standards and seamless integration with existing Node.js modules.
Funding
$25.9M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.
Founders
Product
Problem
JavaScript developers often face challenges related to dependency management, security vulnerabilities, and complex configurations when building modern web applications. Traditional JavaScript runtimes may lack built-in security features, requiring developers to implement additional layers of protection against malicious code and supply chain attacks.
Solution
Deno is an open-source JavaScript, TypeScript, and WebAssembly runtime that provides a secure and streamlined development experience. It addresses common pain points by offering native support for TypeScript, JSX, and modern ECMAScript features without requiring complex build systems. Deno incorporates a security-first approach, restricting access to the file system, network, and environment unless explicitly granted, thus mitigating potential vulnerabilities. The runtime includes a complete toolchain with a code linter, test runner, code formatter, and the ability to create standalone executables, simplifying the development workflow.
Target Audience
Deno is primarily targeted towards JavaScript, TypeScript, and WebAssembly developers building modern web applications, server-side applications, and command-line tools.
Features
- Native support for TypeScript, JSX, and modern ECMAScript features with zero configuration
- Secure runtime environment with restricted access to file system, network, and environment by default
- Built-in code linter to identify and prevent bugs
- Integrated test runner and assertion libraries for comprehensive testing
- Code formatter (based on dprint) for JavaScript, TypeScript, JSON, and Markdown
- Ability to create standalone executables, including cross-compilation support
- Compatibility layer for Node.js, allowing the use of npm modules
- Support for web standard APIs, maximizing code reuse between browser and server