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Best Bun Alternatives

Reviewed byRoman K

2 alternatives to Bun in Runtime, compared by pricing, DX grade, security, and vendor lock-in.

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Currently using

Bun

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All-in-one JavaScript runtime and toolkit

Pricing: open-source, from $0/mo
Stars: 93.5k
#1

Node.js

Maximum compatibility, mature ecosystem, LTS

Price vs Bun
Free (OSS)
DX Grade
B
Security
B
Lock-in Risk
Low (1/10)
#2

Deno

Security defaults, TypeScript native, web standards

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Price vs Bun
Free (OSS)
DX Grade
A
Security
A
Lock-in Risk
Low (2/10)

Pricing and traction at a glance

Of the 2 alternatives listed, 1 are tracked with full data: 1 keep a free plan, 1 are open source. Paid entries run from $0/mo (Deno) to $0/mo (Deno). Deno carries the most GitHub traction with 107,000 stars. Switching cost is usually driven by lock-in, not by the sticker price.

ToolPricingFree planGitHub stars
Denoopen-source — from $0/moyes107,000

FAQ

What are the best Bun alternatives in 2026?

The top alternatives to Bun are Node.js, Deno. Each offers different trade-offs in pricing, developer experience, and lock-in risk.

Is there a free alternative to Bun?

Several Bun alternatives offer free tiers or self-hosted options: Node.js (Free (OSS)), Deno (Free (OSS)).

How many Bun alternatives are tracked here?

2 in the Runtime category, compared on price difference, lock-in risk and developer experience where editorial data exists.

Frequently asked questions

What are the best Bun alternatives in 2026?▾

The top alternatives to Bun are Node.js, Deno. Each offers different trade-offs in pricing, developer experience, and lock-in risk.

Is there a free alternative to Bun?▾

Several Bun alternatives offer free tiers or self-hosted options: Node.js (Free (OSS)), Deno (Free (OSS)).

How many Bun alternatives are tracked here?▾

2 in the Runtime category, compared on price difference, lock-in risk and developer experience where editorial data exists.