Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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react-json-pretty
A lightweight React component that renders JSON data as syntax-highlighted, themeable HTML.
prost-reflect
Reflection and dynamic messages for prost-based Protobuf code in Rust.
Partial JSON Parser
A zero-dependency Python library that completes and parses incomplete JSON streamed token-by-token from LLMs.
pbjson
Generate protobuf-JSON-mapping-compliant serde Serialize and Deserialize impls for prost types.
json-schema-merge-allof
Safely merge allOf subschemas into a single, readable JSON Schema without changing validation.
tablemark
Turn arrays of JSON objects into clean, configurable GitHub-flavored markdown tables.
wreq-util
Browser and OkHttp client emulation, TLS certificate compression, and delay middleware for the wreq HTTP client.
Python JSONPath
A flexible RFC 9535 JSONPath engine for Python with JSON Pointer and JSON Patch.
json-source-map
Parses and stringifies JSON while mapping every key and value to its exact line, column, and character position.
Locale-Codes
Language and country locale data for JavaScript and TypeScript, with lookups by name, tag, ISO code, or LCID.
http-api-problem
A Rust library for building RFC 7807 problem+json HTTP error responses for APIs.
deserr
A Rust deserialization library focused on custom, user-facing error handling.
deser-hjson
A Serde deserializer for Hjson, the human-friendly configuration variant of JSON.
colored_json
Colorizes JSON output with ANSI terminal codes by implementing serde_json's Formatter trait directly.
borc
A fast, synchronous CBOR encoder and decoder for JavaScript, built around an asm.js parser.
simple-xml-to-json
A tiny, dependency-free library that transpiles XML into JSON through an AST.
json-subscriber
Customizable JSON logging layer and subscriber for Rust's tracing ecosystem
slog-json
JSON drain for slog-rs that serializes Rust log records to structured, machine-readable JSON.
bumparaw-collections
Bumpalo-backed Rust collections built on serde_json RawValue for minimal, gradual JSON parsing.