Firebird RDBMS offers ANSI SQL features & runs on Linux, Windows & several Unix platforms. Features excellent concurrency & performance & powerful stored procedure & trigger language.
More information and downloads at https://firebirdsql.org/, issue tracker is https://github.com/FirebirdSQL/firebird/issues
in-memory key value server with fuzzy search capabilities
Levin is an event-based key/value server based on radix-tree (space optimized trie).
Key search can be performed with an approximate key matching algorithm based on Levenshtein edit distance.
BaseX is a light-weight, high-performance and scalable XML database system and XPath/XQuery processor, including full support for the W3C Update and Full Text extensions. The issue tracker has been moved to https://github.com/BaseXdb/basex/issues
New customers can spin up VMs, build with AI, and query data at no cost.
Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
ISSU (pronounced issue) an Intelligent System Specification Unit, a new approach to thinking, computing, and the Internet. A free Ebook called Beyond the Information Age available at www.vias.org/beyinfoage/ will give you knowledge of ISSU.
Define your database structure and relations once using the ZsqlML (Zenark's SQL Markup Language) XML DTD, and then generate mulitple vendor-specific SQL scripts, thereby solving the issue of SQL script variances across multiple platforms.
A MYSQL-PHP web based issue tracking system built for healthcare but generic enough for most needs. Designed to ease the support of multiple idiosyncratic information systems needing their own knowledge base and support mechanism.