Repository Index

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

• search-engine
• search
• typo-tolerance
• site-search

A lightweight, lightning-fast, in-process vector database

• rag
• agent-skills
• embedded
• faiss

Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.

• search-engine
• search
• mysql
• sphinxsearch

OceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.

• oceanbase
• paxos
• htap
• cloud-native

RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.

MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.

• amazon-web-services
• database
• fulltext-search
• json

SSDB - A fast NoSQL database, an alternative to Redis

• ssdb
• nosql-databases
• leveldb
• redis

A lightweight process isolation tool that utilizes Linux namespaces, cgroups, rlimits and seccomp-bpf syscall filters, leveraging the Kafel BPF language for enhanced security.

• security
• linux-namespaces
• linux
• process-isolation

A small Arduino library for GSM modules, that just works

• gprs
• lte
• arduino
• blynk

:zap: The Mobile Robot Programming Toolkit (MRPT)

• mrpt
• c-plus-plus
• mobile-robotics
• slam

Wifi & BLE driven passenger flow metering with cheap ESP32 boards

• wifi
• ttgo
• lopy
• heltec

A Collection of Useful C++ Classes for Digital Signal Processing

The Control Toolbox - An Open-Source C++ Library for Robotics, Optimal and Model Predictive Control

• optimal-control
• model-predictive-control
• ilqr
• ilqg

a header-only, constexpr alternative to gperf for C++14 users

Real-time media stack and lightweight libwebrtc alternative, built in C++20

easy to use, powerful & expressive command line argument parsing for modern C++ / single header / usage & doc generation

• cpp
• cpp11
• cli
• command-line

🛸 A modern, cross-platform C++ webview library

• webview
• cpp
• cpplibrary
• webview2

TranslatedWin顺 (WinShun, "Win smooth"): a free, open-source quick search launcher for Windows. Double-press Ctrl, search files instantly by pinyin, full-text search Word/Excel/PDF, clipboard history (replaces Win+V), dialog search, taskbar search, plugins, AI assistant MCP. Free Windows search launcher: pinyin file search, full-text search, clipboard history, MCP server. Everything/Listary alternative.

• chinese
• clipboard-history
• clipboard-manager
• cpp

Embeddable, in-memory, document-oriented database with a high-level Query builder interface.

• database
• embedable
• go
• in-memory

A lightweight, accurate and robust monocular visual inertial odometry based on Multi-State Constraint Kalman Filter.

• visual-inertial-odometry
• msckf
• localization
• ekf-mono-slam

DSP IIR realtime filter library written in C++

• signal-processing
• filters
• filter-plugin
• iir

Vulkan best practice for mobile developers

• vulkan
• mobile
• performance
• arm

some android image filters

LiDAR point cloud ground filtering / segmentation (bare earth extraction) method based on cloth simulation