Bun

TechTool

Bun is a modern JavaScript and TypeScript runtime, written in Zig, that positions itself as an alternative to Node.js and Deno with a focus on performance.

Bun is a modern JavaScript and TypeScript runtime, written in Zig, that positions itself as an alternative to Node.js and Deno with a focus on performance.

It bundles a runtime, a bundler, a test runner and an npm-compatible package manager into a single tool. Bun runs most Node.js code unmodified and starts an HTTP server several times faster.

Created by Jarred Sumner and released as version 1.0 in September 2023, Bun has become a credible option for tooling and edge computing in 2025.

Related terms

Deno
Deno is an open-source JavaScript and TypeScript runtime created by Ryan Dahl - the original author of Node.js - and unveiled in 2018 as a response to the design flaws he saw in Node.
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Edge Computing
Edge computing is an architectural model where compute runs as close to the end user as possible - on geographically distributed points of presence (PoPs) - rather than in a single, distant cloud region.
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Java
Java is an object-oriented programming language created by James Gosling and Patrick Naughton, then employees of Sun Microsystems.
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JavaScript
JavaScript was created in 1995 by Brendan Eich and embedded in the Netscape Navigator browser.
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TypeScript
TypeScript is an open-source programming language created by Microsoft in 2012 that adds a static type system on top of JavaScript.
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ORM
An ORM (Object-Relational Mapping) is a type of program that sits between an application and a relational database to simulate an object-oriented database.
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Related terms

Deno

Edge Computing

Java

JavaScript

TypeScript

ORM

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