Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

38Health
Library npm

cron-time-generator

Zero-dependency TypeScript builder for readable, valid cron expressions

112
MIT
Used by 1
73Health
Tool npm

rails-erb-loader

A webpack loader that compiles embedded Ruby (.erb) templates into JavaScript for Rails projects.

105
MIT
Used by 1
70Health
Library Cargo

wreq-util

Browser and OkHttp client emulation, TLS certificate compression, and delay middleware for the wreq HTTP client.

90
Apache 2.0
Used by 1
80Health
SDK npm

commercetools Platform SDK

Fully-typed TypeScript client for every commercetools Composable Commerce API endpoint, generated straight from the platform's RAML spec.

65
MIT
Used by 1
31Health
Library npm

promisify-child-process

Drop-in async/await wrappers for Node's spawn, exec, fork, and execFile that stay real ChildProcess instances.

63
MIT
Used by 1
29Health
Library npm

typescript-event-target

A strictly typed drop-in replacement for EventTarget with full TypeScript event-map inference.

51
MIT
Used by 1
27Health
Library Cargo

libwebp-sys

Low-level bindgen FFI bindings to Google's libwebp for encoding and decoding WebP images in Rust.

48
MIT
Used by 1
22Health
Library npm

windows-1252

A robust JavaScript implementation of the windows-1252 character encoding as defined by the WHATWG Encoding Standard.

46
MIT
Used by 1
23Health
Library PyPI

py-ubjson

Universal Binary JSON (UBJSON) draft-12 encoder and decoder for Python

45
Apache 2.0
Used by 1
74Health
Library npm

get-it

Composable HTTP request library for Node.js, browsers, Deno, Bun, and edge runtimes

37
MIT
Used by 1
64Health
Framework npm

@tryghost/api-framework

A composable request pipeline that runs Ghost's API controllers through validation, serialization, permissions, and query stages.

37
MIT
Used by 1
69Health
Tool npm

@elastic/opentelemetry-node

Elastic's zero-code OpenTelemetry distribution for Node.js, giving production apps tracing, metrics, and logs with a single --import flag.

12
Apache 2.0
Used by 1
48Health
Library npm

axios-ntlm

Drop-in Axios wrapper that transparently handles NTLM authentication handshakes for Windows-protected HTTP endpoints.

10
MIT
Used by 1
26Health
Library npm

@tinyhttp/logger

Minimal and flexible HTTP request logger middleware for tinyhttp and Node.js.

10
MIT
Used by 1
58Health
SDK npm

node-client-sdk

LaunchDarkly's client-side feature-flag SDK for single-user Node.js apps, now superseded by the scoped @launchdarkly/node-client-sdk package.

9
Apache 2.0
Used by 1
40Health
Library npm

@datadog/native-metrics

A native Node.js addon that collects CPU, V8 heap, garbage-collection, and event-loop metrics directly from libuv and V8 internals.

8
Apache 2.0
Used by 1
25Health
Library npm

level-read-stream

Node.js readable streams for iterating keys, values, and entries in abstract-level databases.

7
MIT
Used by 1
87Health
Tool npm

Repomix

Packs an entire repository into a single AI-friendly file, complete with token counts, secret scanning, and an MCP server for direct AI assistant access.

28,391
MIT
83Health
Library npm

Takumi

Rust rendering engine that turns JSX, HTML, and node trees into images without a headless browser

2,989
Apache 2.0

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers