Search Results for "metadata"
Sort By:
Showing 111 open source projects for "metadata"
View related business solutions-
Try Google Cloud Risk-Free With $300 in CreditUse your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
-
MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
-
1
WhoDB
A lightweight next-gen data explorer
WhoDB is a lightweight audit logging extension for PostgreSQL that helps track who accessed what data and when. It uses logical decoding and hooks into PostgreSQL internals to log query metadata, user identities, and timestamps in a separate audit schema. WhoDB is useful for compliance, security monitoring, and debugging in multi-user environments. -
2
Koillection
Self-hosted service allowing users to manage collection
Koillection is a self-hosted web app for managing personal collections such as books, video games, electronics, and more. It allows users to track items, add metadata, upload images, and categorize collections by tags and types. Built with Symfony and Vue.js, Koillection is perfect for hobbyists and collectors seeking a customizable, private cataloging tool. -
3
DBeaver
Free universal database tool
DBeaver is a free, multi-platform database tool that supports any database having a JDBC driver. It is useful for developers, SQL programmers, database administrators and analysts. DBeaver comes with plenty of great features such as metadata and SQL editors, ERD, data export/import/migration and more. Plugins are available for certain databases, and there are also several database management utilities. DBeaver’s Enterprise Edition provides even more features and supports non-JDBC datasources. -
4
Datacap
DataCap is integrated software for data transformation
Datacap is an open-source data catalog and governance tool that helps organizations manage and document their data assets. It provides metadata management, lineage tracking, and collaboration features to ensure data transparency and quality. Datacap is designed for teams that need a lightweight, self-hosted solution to organize and govern their data ecosystems. -
Full-stack observability with actually useful AI | Grafana CloudBuilt on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
-
5
Dungbeetle
A distributed job server
Dungbeetle is a metadata and data lineage tracking tool developed by Zerodha to map and visualize how data flows across systems. It helps teams maintain data transparency by tracking dependencies between databases, tables, and reports, offering a centralized view of data pipelines. Dungbeetle is designed to enhance observability and trust in analytics ecosystems. -
6
Magda
A federated data catalog for all your big and small data
Magda is an open-source data catalog system designed to make datasets easier to find, access, and use. Built for government and enterprise use, it supports harvesting metadata from multiple sources, managing data access policies, and integrating with data APIs. Magda is highly customizable and ideal for building open data portals or internal data discovery tools. -
7
ZeusDB Vector Database
Blazing-fast vector DB with similarity search and metadata filtering
ZeusDB is a vector database built for fast, scalable similarity search with strong production ergonomics. It combines high-performance approximate nearest neighbor indexes with clean APIs and metadata filtering so applications can retrieve semantically relevant items at low latency. The storage layer is designed for durability and growth, supporting sharding, replication, and background compaction while keeping query tails predictable. Developers get multiple ingestion paths—batch, streaming, and upsert—making it easy to keep embeddings synchronized as content changes. ... -
8
Apache Impala
Apache Impala
...Impala is integrated with native Hadoop security and Kerberos for authentication, and via the Ranger module, you can ensure that the right users and applications are authorized for the right data. Utilize the same file and data formats and metadata, security, and resource management frameworks as your Hadoop deployment, with no redundant infrastructure or data conversion/duplication. For Apache Hive users, Impala utilizes the same metadata and ODBC driver. Like Hive, Impala supports SQL, so you don't have to worry about reinventing the implementation wheel. With Impala, more users, whether using SQL queries or BI applications, can interact with more data through a single repository and metadata stored from source through analysis. -
9
GeoIP2 Reader for Go
Unofficial MaxMind GeoIP2 Reader for Go
...If you only need several fields, you may get superior performance by using maxminddb's Lookup directly with a result struct that only contains the required fields. (See example_test.go in the maxminddb repository for an example of this.) Metadata takes no arguments and returns a struct containing metadata about the MaxMind database in use by the Reader. Enterprise takes an IP address as a net.IP struct and returns an Enterprise struct and/or an error. This is intended to be used with the GeoIP2 Enterprise database. -
8 Monitoring Tools in One APM. Install in 5 Minutes.AppSignal works out of the box for Ruby, Elixir, Node.js, Python, and more. 30-day free trial, no credit card required.
-
10
MyDumper
MyDumper project
...Parallelism (hence, speed) and performance (avoids expensive character set conversion routines, efficient code overall) Easier to manage output (separate files for tables, dump metadata, etc, easy to view/parse data) Consistency - maintains snapshot across all threads, provides accurate master and slave log positions, etc. Manageability - supports PCRE for specifying database and tables inclusions and exclusions. -
11
Commanded EventStore
Event store using PostgreSQL for persistence
Commanded EventStore is an Elixir-based event store built for event-sourced systems using the Commanded framework. It stores domain events as immutable facts and provides mechanisms for publishing, persisting, and querying events. Built with PostgreSQL as its backend, it ensures strong consistency and is optimized for CQRS architectures. -
12
Picsur
An easy to use, selfhostable image sharing service like Imgur
Picsur is a lightweight, self-hosted image hosting service inspired by Imgur. Built using Go and Vue, it offers fast image uploads, user accounts, and a minimal UI. Picsur is designed for private or small-scale image sharing and gives users full control over their data and hosting environment. -
13
SchemaCrawler
Free database schema discovery and comprehension tool
...SchemaCrawler supports almost any database that has a JDBC driver, but for convenience is bundled with drivers for some commonly used RDBMS systems. SchemaCrawler works with any operating system that supports Java SE 8 or better. SchemaCrawler is also a Java API that makes working with database metadata as easy as working with plain old Java objects. -
14
SQLAlchemy
The Database Toolkit for Python
SQLAlchemy is the Python SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL. SQLAlchemy provides a full suite of well known enterprise-level persistence patterns, designed for efficient and high-performing database access, adapted into a simple and Pythonic domain language. An industrial strength ORM, built from the core on the identity map, unit of work, and data mapper patterns. These patterns allow the transparent persistence... -
15
RAG API
ID-based RAG FastAPI: Integration with Langchain and PostgreSQL
rag_api is an open-source REST API for building Retrieval-Augmented Generation (RAG) systems using LLMs like GPT. It lets users index documents, search semantically, and retrieve relevant content for use in generative AI workflows. Designed for rapid prototyping, it is ideal for chatbot development, document assistants, and knowledge-based LLM apps. -
16
JabRef Bibliography Management
Graphical Java application for managing BibTeX and biblatex
JabRef is an open-source, cross-platform citation and reference management tool. Stay on top of your literature: JabRef helps you to collect and organize sources, find the paper you need and discover the latest research. JabRef is available free of charge and is actively developed. It supports you in every step of your research work. -
17
Hop Monorepo
Hop monorepo
A JavaScript SDK is available for using and integrating with Hop. Import as ES6 module (e.g. Using TypeScript, babel, webpack). Import as commonJS module (e.g. Using Node.js directly or no ES6 modules). Supported network is only mainnetat the moment. As a trustless bridge, Hop allows users to force exit their tokens in the rare event where Bonders (market makers) don’t bond a user’s transfer fast enough. Hop offers users a fallback option to withdraw their tokens manually at the destination... -
18
Apache Iceberg
Apache Iceberg
...Iceberg brings the reliability and simplicity of SQL tables to big data while making it possible for engines like Spark, Trino, Flink, Presto, Hive, and Impala to safely work with the same tables, at the same time. The core Java library that tracks table snapshots and metadata is complete, but still evolving. Current work is focused on adding row-level deletes and upserts, and integration work with new engines like Flink and Hive. The Iceberg format specification is being actively updated and is open for comment. Until the specification is complete and released, it carries no compatibility guarantees. ... -
19
Speedb
A RocksDB compliant high performance scalable embedded key-value store
...Speedb is a compatible alternative for LevelDB and RocksDB users who would like to take their application to the next level. When using event streaming platforms like Kafka, Flink, Spark, Splunk, Elastic, or others, consider using Speedb to enhance its performance. The increase in metadata in modern data sets is causing significant performance issues for many applications. With Speedb you can keep costs low and ensure your applications continue to run smoothly even under heavy loads. When it comes to making a choice to upgrade or deploy a new key-value store with your platform, Speedb is up for the challenge. By seamlessly integrating Speedb's advanced key-value storage engine with your projects, you'll experience immediate relief. -
20
SQL DAL Maker
A generator of DTO, Model, and DAO classes to access relational DB
...At the stage of code generation, the target database must exist and be available for JDBC connection. Generated code is being synchronized with the current database schema using "live" JDBC metadata. Written in Java. Implemented as plug-ins For Eclipse: https://marketplace.eclipse.org/content/sql-dal-maker For IntelliJ: https://plugins.jetbrains.com/plugin/7092 HOWTO install-update: http://sqldalmaker.sourceforge.net GitHub: https://github.com/panedrone/sqldalmaker Quick-Demo in mp4: https://github.com/panedrone/sqldalmaker/releases/tag/latest -
21
Jailer
Database Subsetter and Relational Data Browser
Database Subsetting and Relational Data Browsing Tool. Navigate bidirectionally through the database by following foreign-key-based or user-defined relationships. Exports consistent, referentially intact row-sets from relational databases. Removes data w/o violating integrity. Generates topologically sorted SQL-DML, hierarchically structured XML. and DbUnit datasets. -
22
oracle-architect-tools
oracle pl/sql based tools for design development and maintenance
A suite of open source utilities written in Oracle PL/SQL for schema instrumentation, auditing, schema administration scripting, ddl mapping and migration code generation, dml package generation, and xml service package generation based on metadata tables -
23
refbase - Web Reference Database
Online bibliographic manager for research groups. Zotero-compatible.
refbase is a web-based bibliographic manager which can import and export references in various formats (including BibTeX, Endnote, MODS XML, and OpenOffice). It can make formatted lists of citations and offers powerful searching, rich metadata, and RSS. -
24
sentinel
Sentinel is a filesystem-backed document DBMS written in Rust.
...Sentinel provides async operations with automatic BLAKE3 hashing and optional Ed25519 signatures for cryptographic integrity. Data encryption supports AES-256-GCM, XChaCha20-Poly1305, and Ascon-128. Each document includes full audit metadata—creation timestamps, version history, hashes, and signatures—viewable with standard UNIX tools. Designed for edge deployments, compliance systems, audit logs, certificate management, and regulatory reporting. No server required, works entirely on filesystem with Git-based replication. Zero vendor lock-in—migrate anytime using standard tools like rsync, tar, or git. -
25
Blaze
File sharing progressive web app built using WebTorrent and WebSocket
...Files shared via WebTorrent are peer-to-peer(as they use WebRTC internally) which means there is a direct transfer between the sender and receiver without any intermediate server. Do note that tracker servers in WebTorrent are used which carry metadata and facilitate the file transfer but do not get the complete file in any form.
