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

31Health
Library npm

Partial JSON

Parses incomplete JSON strings streamed token-by-token from an LLM into usable JavaScript values as they arrive.

244
MIT
Used by 9
88Health
Library npm

Remeda

A TypeScript-first utility library with data-first and data-last function variants, lazy pipe evaluation, and fully typed transformations.

5,427
MIT
Used by 8
84Health
Library PyPI

json_repair

Repair malformed JSON from LLMs, APIs, logs, and user input — a drop-in fallback for json.loads().

5,096
MIT
Used by 8
89Health
Library PyPI

msgspec

A fast, zero-cost serialization and validation library for JSON, MessagePack, YAML, and TOML in Python.

4,105
BSD 3
Used by 8
55Health
SDK npm

msgraph-sdk-javascript

Official Microsoft Graph JavaScript SDK for calling the Graph API from Node.js and the browser.

833
MIT
Used by 8
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
70Health
Library npm

json-2-csv

Converts arrays of JSON documents to RFC 4180 compliant CSV and back, with native support for nested sub-documents.

458
MIT
Used by 8
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
78Health
Library Cargo

config

Layered configuration system for Rust applications with strong 12-factor support

3,209
Apache 2.0
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
46Health
Library npm

flat

Flattens nested JavaScript objects into dot-delimited keys and unflattens them back, with a bundled CLI.

1,815
BSD 3
Used by 7
55Health
Library npm

rss-parser

Lightweight RSS and Atom feed parser for Node.js and the browser that turns XML feeds into plain JavaScript objects

1,528
MIT
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
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
49Health
Library npm

json2csv

Convert JSON arrays into CSV strings and files with configurable fields, formatters, and streaming parsers for Node.js.

2,719
MIT
Used by 6
47Health
Library npm

csv-parser

A zero-dependency streaming CSV parser for Node.js that converts CSV into JSON at high speed.

1,503
MIT
Used by 6
44Health
Library npm

json-logic-js

A lightweight JavaScript engine for building, storing, and executing JsonLogic rules across the front-end, back-end, and database.

1,480
MIT
Used by 6
62Health
Library Go

jsonschema

A compliant, dependency-light Go library for compiling and validating JSON Schema across five draft versions, with rich hierarchical errors.

1,268
Apache 2.0
Used by 6
37Health
Library npm

jmespath.js

Query and transform JSON data in JavaScript with a single declarative expression string

847
Apache 2.0
Used by 6
45Health
Library npm

lossless-json

Parse and stringify JSON without losing precision on big numbers

475
MIT
Used by 6
79Health
Library PyPI

referencing

Implementation-agnostic JSON reference resolution for JSON Schema, OpenAPI, and beyond

53
MIT
Used by 6
84Health
Tool npm

quicktype

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

13,868
Apache 2.0
Used by 5
95Health
Tool Go

Open Policy Agent (OPA)

Open source policy engine for unified authorization and compliance decisions across your stack.

12,234
Apache 2.0
Used by 5

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