questdb / questdb

QuestDB is a high performance, open-source, time-series database

micrometer-metrics / micrometer

An application observability facade for the most popular observability tools. Think SLF4J, but for observability.

JabRef / jabref

Desktop app for managing BibTeX and BibLaTeX (.bib) libraries

qos-ch / slf4j

Simple Logging Facade for Java

freerouting / freerouting

Advanced PCB auto-router

jplag / JPlag

State-of-the-Art Source Code Plagiarism & Collusion Detection. Check for plagiarism in a set of programs.

pnoker / iot-dc3

IoT DC3 — Connect the Physical World to AI. An open-source Industrial IoT Runtime for Physical AI: 36 protocol drivers, edge-to-cloud data delivery, and an MCP tool gateway so AI agents act on devices in a safe, controllable, traceable loop.

ArcadeData / arcadedb

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

esig / dss

Digital Signature Service : creation, extension and validation of advanced electronic signatures

osalvador / ReplicaDB

ReplicaDB is open source tool for database replication, designed for efficiently transferring bulk data between relational and non-relational databases