A logger with a small, extensible API which provides utility on top of Android's normal Log class

A disk-based implementation of a least-recently used cache with bounded space and Android compatibility.

Open-source distributed in-memory data store and computation platform

H2 Database Engine - a fast, open source, Java SQL database with embedded and server modes

Fluent assertion framework for Java that provides clear, readable test assertions and informative failure messages

Core barcode encoding/decoding library supporting 17 formats including QR Code, Data Matrix, Aztec, PDF 417, and various 1D barcodes

Kotlin language bindings and extensions for Google Protocol Buffers providing idiomatic Kotlin APIs with DSL builders and type safety.

Google's Protocol Buffers implementation for Java, providing comprehensive serialization of structured data with efficient encoding and extensive API coverage

Utilities for Protocol Buffers including JSON format conversion, field mask operations, time-based utilities, and structured data manipulation.

Maven Bill of Materials for Protocol Buffers Java libraries providing dependency version management

Java 6+ extensions to the Google OAuth Client Library providing verification code receivers and credential persistence for OAuth 2.0 flows

In-memory file system implementation for Java that provides complete java.nio.file API compatibility

Lightweight dependency injection framework for Java 8 and above that eliminates factories and the use of 'new' through @Inject annotation

Extension for binding multiple instances in a collection with Set, Map, and Optional binding capabilities.

Low-level JSON library implementation based on GSON for the Google HTTP Client Library for Java

Internal optimization utilities for accessing failure causes in Guava's Future implementations without full exception handling overhead

A fast dependency injector for Java and Android that generates plain Java source code without using reflection or runtime bytecode generation

Java library for converting Java objects to JSON and vice-versa.

Generated immutable value classes for Java 8+ using annotation processing

Java Protocol Buffer classes for Google's common protos, providing type-safe access to core Google Cloud API structures and gRPC service definitions