Open Source Database Software - Page 9
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OpenViking
Context database designed specifically for AI Agents
OpenViking is an open-source context database engineered for efficient indexing and retrieval of large amounts of unstructured or semi-structured context data used by AI applications. It’s primarily designed to serve as a high-performance, scalable backend for storing app context, embeddings, conversational histories, and other textual artifacts that need rapid lookup and semantic search, which makes it especially useful for systems like chatbots or memory-augmented agents. The project is implemented with performance in mind, often leveraging optimized data structures that balance fast reads and writes with minimal resource consumption. Developers can integrate OpenViking into modern AI stacks to unify context storage across services, enabling consistent session history, personalized responses, and richer search experiences. -
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PLpgSQL Check
plpgsql_check is a linter tool (does source code static analyze)
plpgsql_check is a PostgreSQL extension for static analysis and runtime checking of PL/pgSQL functions. It helps developers catch bugs early by analyzing code structure, variable usage, and SQL correctness before execution. The extension is ideal for improving code quality in large Postgres-based applications. -
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PeerDB
Fast, Simple and a cost effective tool to replicate data from Postgres
PeerDB is an open-source platform for real-time replication and transformation of data from PostgreSQL to analytical warehouses like BigQuery and Snowflake. It supports Change Data Capture (CDC) and provides seamless syncing and transformation logic with low latency. PeerDB is ideal for teams building real-time data pipelines without relying on expensive proprietary solutions. -
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PikaPython
An ultra-lightweight Python interpreter that runs with only 4KB of RAM
An ultra-lightweight Python interpreter that runs with only 4KB of RAM, and zero dependencies. It is ready to use out of the box without any configuration required and easy to extend with C. Similar projects: MicroPython, JerryScript. -
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PoloDB
PoloDB is an embedded document database
PoloDB is an embedded document-oriented NoSQL database that provides MongoDB-like functionality in a lightweight package, ideal for local storage in applications. -
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SQLTools
Database management for VSCode
VSCode-SQLTools is a Visual Studio Code extension that enhances database management and development. It provides a rich set of features for connecting to databases, executing queries, and managing data directly within the code editor. -
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SQLpage
Fast SQL-only data application builder
SQLPage is a rapid application development tool that enables developers to build data-driven web applications using only SQL queries. By writing simple .sql files, users can create interactive web pages that display data as text, lists, grids, plots, and forms, streamlining the process of developing data applications without extensive frontend coding. -
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ShardingSphere
Distributed database ecosphere
Apache ShardingSphere is an open-source ecosystem consisted of a set of distributed database solutions, including 3 independent products, JDBC, Proxy & Sidecar (Planning). They all provide functions of data scale out, distributed transaction and distributed governance, applicable in a variety of situations such as Java isomorphism, heterogeneous language and cloud native. Apache ShardingSphere aiming at reasonably making full use of the computation and storage capacity of existed database in distributed system, rather than a totally new database. As the cornerstone of enterprises, relational database still takes a huge market share. Therefore, we prefer to focus on its increment instead of a total overturn. Apache ShardingSphere begin to focus on pluggable architecture from version 5.x, features can be embedded into project flexibility. -
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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. -
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appwrite
Secure Backend Server for Web, Mobile & Flutter Developers
Appwrite is a self-hosted and cloud backend-as-a-service platform that provides developers with all the core APIs required to build any application. Build your entire backend within minutes and scale effortlessly using Appwrite's open-source platform. Add Authentication, Databases, Functions, Storage, and Messaging to your projects using the frameworks and languages of your choice. -
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lmdb-js
Simple, efficient, ultra-fast, scalable data store wrapper for LMDB
This is an ultra-fast NodeJS, Bun, and Deno interface to LMDB; probably the fastest and most efficient key-value/database interface that exists for storage and retrieval of structured JS data (objects, arrays, etc.) in a true persisted, scalable, ACID compliant database. It provides a simple interface for interacting with LMDB, as a key-value db, which makes it easy to fully leverage the power, crash-proof design, and efficiency of LMDB using intuitive JavaScript, and is designed to scale across multiple processes or threads. Several key features make it idiomatic, highly performant, and easy to use LMDB efficiently. -
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nippleJS
A virtual joystick for touch capable interfaces
A virtual joystick for touch-capable interfaces. Import it the way you want into your project. Your joystick's container has to have its CSS position property set, either absolute, relative, static. You can configure your joystick in different ways. The dom element in which all your joysticks will be injected. You can listen events both on the manager and all the joysticks. But some of them are specific to its instance. When listening on the manager, you can also target a joystick in particular by prefixing the event with its identifier. -
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pg_timetable
pg_timetable: Advanced scheduling for PostgreSQL
pg_timetable is a flexible job scheduler for PostgreSQL that allows scheduling of SQL or shell tasks directly within the database. It supports complex workflows, error handling, and dependency management, making it a powerful alternative to cron or external schedulers for database-related jobs. -
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pgstream
PostgreSQL replication with DDL changes
pgstream is an open source CDC command-line tool and library that offers Postgres replication support with DDL changes to any provided output. One of the main differentiators of pgstream is the fact that it tracks and replicates schema changes automatically. It relies on SQL triggers that will populate a Postgres table (pgstream.schema_log) containing a history log of all DDL changes for a given schema. Whenever a schema change occurs, this trigger creates a new row in the schema log table with the schema encoded as a JSON value. This table tracks all the schema changes, forming a linearised change log that is then parsed and used within the pgstream pipeline to identify modifications and push the relevant changes downstream. -
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sqldef
Idempotent schema management for MySQL, PostgreSQL, and more
sqldef is a schema migration tool that automatically generates SQL migration statements by comparing database schemas. Instead of writing migrations manually, developers define the desired schema, and sqldef computes the difference. It's compatible with MySQL, PostgreSQL, SQLite, and others, making migrations safer and more maintainable. -
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tccutil.py
Command line tool to modify OS X's accessibility database (TCC.db)
Apple has a utility in /usr/bin named tccutil, but it only supports one command, which is to reset the entire database. It has been like this for many versions of macOS. I wanted a command-line utility that would be able to add, remove, list, and take other actions. This tool needs SIP disabled in order to function. The risk of doing so is up to you. tccutil.py can be installed without any additional software. Depending how you have your $PATH variable setup, you can simply type tccutil (instead of the full path) and it will run this utility instead of Apple's. This utility needs super-user priveleges for most operations. It is important that you either run this as root or use sudo, otherwise it won't work and you will end up with “permission denied” errors. -
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a kanji/kana Japanese/English dictionary for Palm PDAs (>=4MB, >=PalmOS 3.3) featuring handdraw recognition, searching by kana,kanji,meaning,multi-radical kanji lookup, stroke order diagrams, internal font library and edict supplied, ... so desu!
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SchemaSpy analyzes database metadata to reverse engineer dynamic Entity Relationship (ER) diagrams. It works with just about any JDBC-compliant database (Oracle/MySQL/DB2/SQL Server/PostgreSQL/Sybase/etc) and can identify Ruby on Rails relationships.
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Sqsh (pronounced skwish) is short for SQshelL (pronounced s-q-shell), a replacement for the venerable 'isql' program supplied by Sybase.
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SoupToNuts is a repository of technical articles and example software covering Postfix, OpenSSH, C and C++, Live Linux CD, MySQL, SQLite, Berkeley DB, Bash and System Administration.
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A simple editor for dbf files. The editor is built with GTK+, making it available on a number of platforms, including Linux and Windows.
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Tool for monitoring Sybase products (ASE, RS, IQ, RAO) Supported versions : ASE : from 12.5.0.3 to 16SP03 RS : from 12.6 to 16 IQ : from 12.6 to 16 RAO : from 12.5 to 15.7.1 Version (2.7.21) supports ASE Cluster Edition New version V3.0 can archive directly into IQ 16 Two components : - asemon_logger : the java agent which collects indicators and archive them in a database - asemon_report : the web client, written in PHP, used to query the indicator's database (use "Files" menu to download this component) See : https://sourceforge.net/apps/mediawiki/asemon/index.php?title=Main_Page for documentation
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Ozone is a fully featured, object-oriented database management system implemented in Java and distributed under the LGPL open source license. The ozone project aims to evolve a database system that allows developers to build pure object-oriented systems.
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Eclipse SQL Client for database querying/browsing any JDBC compliant database. It supports plugins with specialized functionality for individual databases (Oracle, DB2, MySQL, PostgreSQL, Sybase, Informix) and can be extended.
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xBaseJ - xBase Engine for Java
dBase for Java
This is a Java based xBase engine to read write and update dbf files. Using the package's classes and methods programmers can process dBase III and IV files and some clones (e.g. Clipper/FoxPro) along with index and tag files and the individual fiel
