Ghidra is a software reverse engineering (SRE) framework

Termux - a terminal emulator application for Android OS extendible by variety of packages.

Free universal database tool and SQL client

A libre lightweight streaming front-end for Android.

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

Desktop/Android/HTML5/iOS Java game development framework

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

Style and Grammar Checker for 25+ Languages

Free implementation of Play Services

A free, secure and open source app for Android to manage your 2-step verification tokens.

AutoMQ is a diskless Kafka® on S3. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency. Multi-AZ Availability.

Apache Iceberg

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

A podcast manager for Android

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

Enso Analytics is a self-service data prep and analysis platform designed for data teams.

Alluxio, data orchestration for analytics and machine learning in the cloud

Haven is for people who need a way to protect their personal spaces and possessions without compromising their own privacy, through an Android app and on-device sensors

Upserts, Deletes And Incremental Processing on Big Data.

Apache NiFi

OsmAnd

AIMSICD • Fight IMSI-Catcher, StingRay and silent SMS!

Apache Calcite

OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID…

esProc SPL is a JVM-based programming language designed for structured data computation, serving as both a data analysis tool and an embedded computing engine.

Graphical Java application for managing BibTeX and BibLaTeX (.bib) databases

Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...

[Unmaintained] Open source two-factor authentication for Android

Android audio forwarding PoC (scrcpy, but for audio)