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

91Health
SDK npm

Svix

Official JavaScript/TypeScript client for the Svix webhook delivery API and signature verification.

3,404
MIT
Used by 12
85Health
Tool npm

dotenvx

A secure, cross-platform dotenv replacement that encrypts .env files and runs any command with decrypted secrets injected — no code changes required.

5,784
BSD 3
Used by 9
69Health
Tool npm

@vitejs/plugin-basic-ssl

A Vite plugin that generates a self-signed certificate so your dev and preview servers can run over HTTPS with zero setup.

516
MIT
Used by 8
84Health
Tool npm

quicktype

Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL

13,868
Apache 2.0
Used by 5
50Health
Tool npm

Peggy

Parser generator for JavaScript using parsing expression grammars (PEG)

1,179
MIT
Used by 5
97Health
SDK Go

Vault API

The official Go client library for HashiCorp Vault, providing typed access to secrets, auth methods, and system endpoints.

36,241
MPL-2.0
Used by 4
53Health
SDK PyPI

hvac

Python client library for HashiCorp Vault's secrets, authentication, and system-backend REST APIs.

1,315
Apache 2.0
Used by 4
95Health
Tool Go

cert-manager

Automates issuing, renewing, and managing TLS certificates for Kubernetes clusters.

14,079
Apache 2.0
Used by 3
75Health
Tool Go

gojq

A pure Go implementation of jq for querying and transforming JSON and YAML, usable as a CLI or embedded as a Go library.

3,804
MIT
Used by 3
79Health
Tool npm

eslint-plugin-jsonc

ESLint plugin that applies JavaScript-style linting, auto-fixing, and formatting rules to JSON, JSONC, and JSON5 files.

241
MIT
Used by 3
74Health
SDK npm

pulumi-random

Generate cryptographically random passwords, strings, IDs, UUIDs, and pet names as first-class Pulumi resources.

43
Apache 2.0
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
92Health
Tool PyPI

Certbot

EFF's command-line tool to obtain and auto-renew free Let's Encrypt TLS certificates

33,232
Apache 2.0
Used by 2
58Health
Tool Go

gnostic

A command-line compiler that converts OpenAPI and Google Discovery API descriptions into typed Protocol Buffer models.

2,302
Apache 2.0
Used by 2
64Health
Tool Go

vtprotobuf

A protoc plugin that generates reflection-free Marshal, Unmarshal, Size, Equal, Clone, and pooling methods for Go protobuf messages.

1,118
BSD 3
Used by 2
38Health
SDK npm

node-acme-client

A simple, unopinionated Node.js client for the ACME protocol, automating certificate issuance from Let's Encrypt and other CAs.

295
MIT
Used by 2
65Health
Tool PyPI

toml-sort

A command-line utility and Python library that sorts and formats TOML files while preserving comments.

116
MIT
Used by 2
26Health
Tool PyPI

mkdocs-exclude

A mkdocs plugin that excludes files from your documentation build using glob patterns or regexes.

95
Apache 2.0
Used by 2
47Health
SDK npm

@octokit/webhooks-methods

Sign and verify GitHub webhook payload signatures with constant-time HMAC comparison, in Node.js and the browser.

27
MIT
Used by 2
23Health
Tool PyPI

sphinxcontrib-serializinghtml

A Sphinx extension that builds documentation as serialized JSON or pickle files instead of static HTML pages.

4
Other
Used by 2
61Health
SDK PyPI

Aliyun Python SDK KMS

Alibaba Cloud Key Management Service (KMS) client for Python.

1,044
Apache 2.0
Used by 1
81Health
SDK Cargo

Nostr SDK

A full-featured Rust SDK for building high-performance clients and in-process relays on the Nostr protocol

674
MIT
Used by 1
63Health
SDK Cargo

k8s-openapi

Rust type definitions for the Kubernetes client API, auto-generated from the OpenAPI spec with upstream bug fixes and multi-version support.

444
Apache 2.0
Used by 1
39Health
Tool PyPI

bigquery-schema-generator

Deduces an accurate BigQuery schema from your full JSON or CSV dataset instead of just the first 500 records.

249
Apache 2.0
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