🔍 Optimize your search experience with Atoqu, a GPU-accelerated, multi-mode engine that blends atomic and quantum principles for efficient querying.

🔍 Build a high-performance search engine in C++ from scratch, inspired by Google and Elasticsearch, showcasing core systems engineering principles.

Easy to use open source fast database for search | Good alternative to Elasticsearch | Drop-in replacement for E in the ELK stack

Scalable annotated de Bruijn graphs for DNA indexing, alignment, and assembly

Compressed Log Processor (CLP) is a free log management tool capable of compressing logs and searching the compressed logs without decompression.

Vector search engine inside Milvus, integrating FAISS, HNSW, DiskANN.

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

PISA: Performant Indexes and Search for Academia

Versatile open-source tool for microbiome analysis

https://www.text-mining.ro/ demonstrates how to design & implement a Web Search Engine

Keyvi - the key value index. It is an in-memory FST-based data structure highly optimized for size and lookup performance.

Katalog is an application to manage catalogs of disks and files to search and get statistics.

UCI Chess Engine written in C++

A Vector Search Engine Built from Scratch in C++

Timehash: Hierarchical temporal indexing for efficient "open now" search in large-scale POI systems.

C++20 implementations of data structures and classic algorithms for 408 retest, coding exams, and systematic learning.

🔍 ugrep 7.6 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

A simple file and directory search tool

Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍

rats-search: BitTorrent P2P multi-platform search engine for Desktop and Web servers with integrated torrent client