Collection of various algorithms in mathematics, machine learning, computer science and physics implemented in C++ for educational purposes.

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

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

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

🔍 ugrep 7.5 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

PISA: Performant Indexes and Search for Academia

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

Open Sketch Search Engine－ 3D object retrieval based on sketch image as input

Versatile open-source tool for microbiome analysis

A multi-model machine learning feature embedding database

📚 C++ and Python solutions with automated tests for Cracking the Coding Interview 6th Edition.

Multi-Modal Database replacing MongoDB, Neo4J, and Elastic with 1 faster ACID solution, with NetworkX and Pandas interfaces, and bindings for C 99, C++ 17, Python 3, Java, GoLang 🗄️

Bitcoin Address Prefix Finder

A signature-based search engine

fccf: A command-line tool that quickly searches through C/C++ source code in a directory based on a search string and prints relevant code snippets that match the query.

Xapiand: A RESTful Search Engine

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

experimental and very fast implementation of a grep

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

Trinity IR Infrastructure