helpers4

Open-source developer tools built for real projects.

Free to use under the LGPL-3.0 license, including in commercial products. Distribute modified source? Share those changes. Run it as a service? No obligations.

TypeScript & JS

300+ tree-shakable, strictly-typed utilities — general-purpose and domain-specific, zero deps.

18.4100%

Rust

General-purpose helpers in one crate, one Cargo feature per module — zero dependencies by default.

15.9100%

Dev Container

Plug-and-play features for consistent, reproducible development environments.

16.2

GitHub Actions

Reusable Actions for commit validation, CI automation, and release workflows.

Latest from the blog

helpers4 Rust v0 — A General-Purpose Library, Starting From Scratch

September 21, 2026·Bérenger (baxyz)

rustreleasehelpers4

helpers4 now has a Rust crate. It starts at version 0 on purpose: the quality is already there, but the third-party security audits are not, and a library whose goal is to be trusted in critical applications has to earn its 1.0. Here is what exists, what does not yet, and why you should wait for v1 before using it where it really matters.

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