Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category
Sort:Used by Most Apps
json_repair
Repair malformed JSON from LLMs, APIs, logs, and user input — a drop-in fallback for json.loads().
msgspec
A fast, zero-cost serialization and validation library for JSON, MessagePack, YAML, and TOML in Python.
msgraph-sdk-javascript
Official Microsoft Graph JavaScript SDK for calling the Graph API from Node.js and the browser.
@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.
json-2-csv
Converts arrays of JSON documents to RFC 4180 compliant CSV and back, with native support for nested sub-documents.
superagent
A small, progressive HTTP request library for Node.js and browsers with a single fluent, chainable API on both platforms.
gridstack.js
A dependency-free TypeScript library for building draggable, resizable, responsive dashboard grid layouts in the browser.
config
Layered configuration system for Rust applications with strong 12-factor support
ureq
A simple, safe, blocking HTTP client for Rust with minimal dependencies.
flat
Flattens nested JavaScript objects into dot-delimited keys and unflattens them back, with a bundled CLI.
rss-parser
Lightweight RSS and Atom feed parser for Node.js and the browser that turns XML feeds into plain JavaScript objects
follow-redirects
A drop-in replacement for Node's http and https modules that transparently follows redirects with zero runtime dependencies.
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.
json2csv
Convert JSON arrays into CSV strings and files with configurable fields, formatters, and streaming parsers for Node.js.
csv-parser
A zero-dependency streaming CSV parser for Node.js that converts CSV into JSON at high speed.
json-logic-js
A lightweight JavaScript engine for building, storing, and executing JsonLogic rules across the front-end, back-end, and database.
jsonschema
A compliant, dependency-light Go library for compiling and validating JSON Schema across five draft versions, with rich hierarchical errors.
jmespath.js
Query and transform JSON data in JavaScript with a single declarative expression string
lossless-json
Parse and stringify JSON without losing precision on big numbers
referencing
Implementation-agnostic JSON reference resolution for JSON Schema, OpenAPI, and beyond
quicktype
Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL
Open Policy Agent (OPA)
Open source policy engine for unified authorization and compliance decisions across your stack.
HCL v2
A Go toolkit for parsing, evaluating, and generating HashiCorp's HCL configuration language.
jsondiffpatch
Diff and patch JavaScript objects with compact deltas, smart array diffing, and pluggable output formatters.
