Indexing Open Source Projects

Like Prometheus, but for logs.

high-performance graph database for real-time use cases

A modern text/numeric/geo-spatial/vector indexing library for go

SQL Optimizer And Rewriter

Script to get your site indexed on Google in less than 48 hours

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

Hexagonal hierarchical geospatial indexing system

A query and indexing engine for Redis, providing secondary indexing, full-text search, vector similarity search and aggregations.

A full-text search engine in rust

C/C++/ObjC language server supporting cross references, hierarchies, completion and semantic highlighting

ColBERT: state-of-the-art neural search (SIGIR'20, TACL'21, NeurIPS'21, NAACL'22, CIKM'22, ACL'23, EMNLP'23)

Language Server Protocol implementation for Swift and C-based languages

🔍 ugrep 7.8 file pattern searcher -- a user-friendly, faster, more capable grep replacement. Includes a TUI, Google-like Boolean search with AND/OR/NOT, fuzzy search, hexdumps, searches (nested) archives (zip, 7z, tar, pax, cpio), compressed files (gz, Z, bz2, lzma, xz, lz4, zstd, brotli), pdfs, docs, and more

Graph Node indexes data from blockchains such as Ethereum and serves it over GraphQL

Roaring bitmaps in Go (golang), used by InfluxDB, Bleve, DataDog

RBush — a high-performance JavaScript R-tree-based 2D spatial index for points and rectangles

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

Apache Lucene.NET is an open-source full-text search library written in C#, ported from the Apache Lucene project.

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

Research project. A Memory solution for users, teams, and applications.

The automatic indexer for Postgres

Index your Gmail Inbox with Elasticsearch

indexing library for Go

Fast trigram based code search

Vald. A Highly Scalable Distributed Vector Search Engine

Hypothetical Indexes for PostgreSQL

A very fast static spatial index for 2D points and rectangles in JavaScript 🌱

This is mavenised Luke: Lucene Toolbox Project

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

PySonar2: a semantic indexer for Python with interprocedual type inference

In-memory NoSQL database with ACID transactions, Raft consensus, and Redis API

Immutable Ordered Key-Value Database Engine

Source browser website generator that powers https://source.dot.net, https://referencesource.microsoft.com and https://sourceroslyn.io

Lua in Python

Small Matlab to Python compiler

The main repository for the TrueBlocks system

This is a package that allows indexing of django models in elasticsearch with elasticsearch-dsl-py.

A powerful and modular toolkit for record linkage and duplicate detection in Python

Awesome and useful Xcode defaults

🏅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

ELKI Data Mining Toolkit

Enables full-text searching of CouchDB documents using Lucene

A general classifier module to allow Bayesian and LSI classifications.

Securely search encrypted database fields

CUDA-accelerated GIS and spatiotemporal algorithms

A fast static index for 2D points

A search application to explore, discover and share online files

Decentralized community

Pure-Python full-text search library

💎 GUI for Data Modeling with Elasticsearch

A GraphQL interface to Ethereum :fire:

Hacker News Search

A Powerful AlphabetIndex FastScroller Library for Android's RecyclerView!

All-pair set similarity search on millions of sets in Python and on a laptop

Want to build or improve a search experience? Start here.

Skeleton of a Microservice built with the Flask

Indexer for Ethereum to get transaction list by ETH address

Fractional Indexing in JavaScript

GeoHash Routines for Javascript

Hibernate Search: full-text search for domain model