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-2-csv
Converts arrays of JSON documents to RFC 4180 compliant CSV and back, with native support for nested sub-documents.
Capacitor
Build native iOS, Android, and Progressive Web Apps from a single web codebase
@capacitor/app
The official Capacitor plugin for app lifecycle events, deep links, and app state
tree-sitter-java
A fast, incremental Java grammar for the tree-sitter parsing library
quicktype
Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL
PySpark
Python API for Apache Spark, the unified engine for large-scale distributed data processing
react-native-pdf
A cross-platform PDF viewer component for React Native, with zoom, paging, password protection, and native text selection.
FlatBuffers
Google's memory-efficient, zero-copy serialization library for cross-language data exchange
Apache Beam
A unified programming model for defining batch and streaming data-parallel pipelines
jni-rs
Complete, safe Rust bindings to the Java Native Interface for two-way Rust and Java interop.
ghp-import
A small CLI that copies a built docs directory straight onto your repo's gh-pages branch.
tree-sitter-language-pack
Precompiled tree-sitter parsers and queries for 306+ languages in one install
Tunnel-SSH
Extendable SSH port-forwarding tunnels for Node.js
ANTLR4 Python3 Runtime
The Python 3 runtime that generated ANTLR parsers and lexers depend on at execution time.
Extism
The framework for building with WebAssembly: load, run, and extend apps with wasm plugins.
Kiota Authentication Azure
Azure Identity-backed authentication provider for Python API clients generated by Microsoft Kiota.
JPype
A native bridge that gives Python programs direct, in-process access to the full Java class library and JVM.
Python Xlib
A pure-Python implementation of the X11 protocol for talking to an X server.
Cucumber Expressions
A human-readable alternative to regular expressions for matching Gherkin step text
kgb
Function spies for Python unit tests that intercept, record, and reroute calls without heavy-handed mocking.
tag-expressions
A small boolean-expression parser and evaluator for selecting Gherkin scenarios by tag, used by behave and other Cucumber-family test runners.
