indexing

SQL Optimizer And Rewriter

Fast persistent recoverable log and key-value store + cache, in C# and C++.

A full-text search engine in rust

Personal document manager (Linux/Windows) -- Moved to Gnome's Gitlab

JS Search is an efficient, client-side search library for JavaScript and JSON objects

Roaring bitmaps in Go (golang)

This is mavenised Luke: Lucene Toolbox Project

Immutable Ordered Key-Value Database Engine

High-performance, columnar, in-memory store with bitmap indexing in Go

Hypothetical Indexes for PostgreSQL

The main repository for the TrueBlocks system

ELKI Data Mining Toolkit

🏅State-of-the-art learned data structure that enables fast lookup, predecessor, range searches and updates in arrays of billions of items using orders of magnitude less space than traditional indexes

A search application to explore, discover and share online files

A GraphQL interface to Ethereum 🔥

A Powerful AlphabetIndex FastScroller Library for Android's RecyclerView!

Open-source Enterprise Grade Search Engine Software

Decentralized community

SeqAn's official repository.

An open source indexing subsystem that brings index-based query acceleration to Apache Spark™ and big data workloads.