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

67Health
Framework Cargo

Extism

The framework for building with WebAssembly: load, run, and extend apps with wasm plugins.

5,758
BSD 3
Used by 1
93Health
Library PyPI

Kiota Authentication Azure

Azure Identity-backed authentication provider for Python API clients generated by Microsoft Kiota.

3,824
MIT
Used by 1
94Health
Library npm

@module-federation/enhanced

Webpack and Rspack plugins implementing Module Federation 2.0 for sharing code across independently built and deployed JavaScript applications.

2,640
MIT
Used by 1
87Health
Library npm

minimizer-webpack-plugin

A webpack 5 plugin that minifies JS, CSS, HTML, JSON, and images through pluggable, stackable minimizer implementations.

1,966
MIT
Used by 1
88Health
Library npm

Re.Pack

A Metro drop-in replacement that bundles React Native apps with Rspack or Webpack, unlocking Module Federation and the full webpack plugin ecosystem.

1,932
MIT
Used by 1
59Health
Library npm

Serwist

A maintained fork of Workbox for building progressive web apps with service worker precaching and caching

1,478
MIT
Used by 1
83Health
Library PyPI

JPype

A native bridge that gives Python programs direct, in-process access to the full Java class library and JVM.

1,293
Apache 2.0
Used by 1
87Health
Library Cargo

rama-core

The async Service and Layer trait core that every Rama network stack builds on.

1,203
Other
Used by 1
70Health
Library npm

Roarr

A zero-configuration JSON logger for Node.js and the browser that decouples log production from transport.

1,137
BSD 3
Used by 1
84Health
Library PyPI

primp

Python HTTP client that impersonates real browser TLS and HTTP/2 fingerprints.

598
MIT
Used by 1
57Health
SDK npm

rollbar.js

The official cross-platform JavaScript SDK for Rollbar, capturing browser, Node.js, and React Native errors with breadcrumbs and session replay.

587
MIT
Used by 1
46Health
Library Cargo

native-tls

A safe, ergonomic Rust wrapper over each platform's native TLS implementation.

546
Other
Used by 1
40Health
Library Cargo

pdb

A Rust library for parsing Microsoft PDB (Program Database) debugging information files.

467
Other
Used by 1
50Health
Library Cargo

gdbstub

A no_std-first Rust implementation of the GDB Remote Serial Protocol for debugging emulators and embedded targets.

414
Other
Used by 1
72Health
SDK Composer

rollbar/rollbar

The official Rollbar PHP SDK for error and exception monitoring and reporting.

337
MIT
Used by 1
47Health
Tool npm

webpack-bundle-tracker

A webpack plugin that writes a JSON stats file mapping entry names to their hashed output assets, so backends like Django can resolve bundle filenames after every build.

268
MIT
Used by 1
39Health
Library Cargo

hyper-tls

A minimal HTTPS connector that pairs hyper with native-tls for secure Rust HTTP clients.

201
Apache 2.0
Used by 1
84Health
Library PyPI

Cucumber Expressions

A human-readable alternative to regular expressions for matching Gherkin step text

200
MIT
Used by 1
45Health
Tool npm

webfonts-loader

webfonts-loader: Turn SVG Icons into Webpack Fonts

194
MIT
Used by 1
43Health
Library PyPI

python-tblib

Serialize Python tracebacks and exceptions so they survive pickling across processes.

184
Other
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
69Health
Library PyPI

tag-expressions

A small boolean-expression parser and evaluator for selecting Gherkin scenarios by tag, used by behave and other Cucumber-family test runners.

20
MIT
Used by 1

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