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

55Health
Library npm

superagent

A small, progressive HTTP request library for Node.js and browsers with a single fluent, chainable API on both platforms.

16,637
MIT
Used by 7
94Health
Library npm

gridstack.js

A dependency-free TypeScript library for building draggable, resizable, responsive dashboard grid layouts in the browser.

9,115
MIT
Used by 7
72Health
Library Cargo

ureq

A simple, safe, blocking HTTP client for Rust with minimal dependencies.

2,190
Apache 2.0
Used by 7
50Health
Library npm

follow-redirects

A drop-in replacement for Node's http and https modules that transparently follows redirects with zero runtime dependencies.

580
MIT
Used by 7
95Health
Tool Go

BuildKit

The daemon and CLI toolkit behind `docker build`, compiling Dockerfiles and other build definitions into portable, cacheable OCI images.

10,263
Apache 2.0
Used by 6
74Health
Library Go

certmagic

Automatic HTTPS for Go programs — the production-grade ACME client library that powers Caddy, obtaining and renewing TLS certificates with zero manual cert management.

5,598
Apache 2.0
Used by 6
95Health
Tool Go

containerd

A CNCF-graduated container runtime that manages the full container lifecycle for Linux and Windows hosts.

21,296
Apache 2.0
Used by 5
55Health
Library Go

Dockertest

Spin up real Docker containers for Go integration tests, then tear them down automatically.

4,525
Apache 2.0
Used by 5
43Health
Library Go

gock

Versatile HTTP traffic mocking for Go, intercepting any net/http-based client for deterministic tests.

2,217
MIT
Used by 5
74Health
Library Cargo

Testcontainers for Rust

Integration-test against throwaway Docker containers from within Rust

1,129
Apache 2.0
Used by 5
52Health
SDK npm

@neondatabase/serverless

Neon's serverless PostgreSQL driver for JavaScript and TypeScript, built for edge and serverless runtimes using HTTP and WebSockets instead of raw TCP.

548
MIT
Used by 5
55Health
Library Go

runtime-spec

Go structs for the OCI Runtime Specification — the container config, state, and features schema shared by runc, containerd, and CRI-O.

3,676
Apache 2.0
Used by 4
42Health
Library npm

request-promise

A Bluebird-powered Promise wrapper around the request HTTP client for Node.js — deprecated since 2020 along with request itself.

4,714
Other
Used by 3
87Health
Library PyPI

testcontainers-python

Throwaway Docker containers for real integration tests, driven straight from Python.

2,294
Apache 2.0
Used by 3
51Health
Library PyPI

types-boto3

Complete, auto-generated type annotations for every boto3 AWS service client, enabling full IDE autocomplete and mypy/pyright checking.

670
MIT
Used by 3
41Health
Tool PyPI

pytest-docker

Pytest fixtures that spin up Docker Compose services for integration tests, then tear them down automatically.

490
MIT
Used by 3
74Health
Library npm

http-cookie-agent

Adds tough-cookie-based cookie jar support to Node.js global fetch, undici, axios, node-fetch, and other HTTP clients.

53
MIT
Used by 3
34Health
SDK npm

sns-payload-validator

Verifies AWS SNS message signatures for HTTP/S and Lambda payloads.

13
MIT
Used by 3
95Health
Tool Go

Docker Compose

The official CLI plugin for defining and running multi-container Docker applications from a single Compose file.

38,152
Apache 2.0
Used by 2
85Health
SDK PyPI

OpenSandbox

Python SDK for creating and controlling secure, isolated OpenSandbox execution environments.

15,283
Apache 2.0
Used by 2
49Health
Library PyPI

prisma-client-py

Auto-generated, fully type-safe Python database client built on Prisma's schema and Rust query engine.

2,095
Apache 2.0
Used by 2
67Health
Library Composer

League URI

A PHP library for parsing, building, and manipulating URIs, URNs, and URI templates

1,128
MIT
Used by 2
51Health
Library Cargo

axum-server

A hyper-based HTTP server designed to be used with the Rust axum web framework.

262
MIT
Used by 2
80Health
Library Cargo

rust-oci-client

A Rust client library implementing the OCI Distribution specification

184
Apache 2.0
Used by 2

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