Ecosystem & Stack: c - OSS Alternative - Discover Top Open Source Alternatives to Popular Software

Ecosystem & Stack: c

AI Agent Context Database
python
23.1k

volcengine/OpenViking

OpenViking is an open-source context database for AI Agents, unifying memory, resources, and skills through a file system paradigm to enable hierarchical context delivery and self-evolving capabilities.

Vector Database
Go
44.0k

milvus-io/milvus

A high-performance, cloud-native vector database designed for scalable Approximate Nearest Neighbor (ANN) search on massive unstructured data.

Educational Code Repository
opencv
22.9k

spmallick/learnopencv

A comprehensive repository offering C++ and Python code examples for computer vision, deep learning, and AI research articles from LearnOpenCV.com.

Distributed AI & Data Serving Platform
Java
6.9k

vespa-engine/vespa

A powerful open-source platform for real-time AI inference, search, and data organization across vectors, tensors, text, and structured data at any scale.

Data Visualization & Analysis SDK
python
10.6k

rerun-io/rerun

An open source SDK for logging, storing, querying, and visualizing multimodal and multi-rate data, especially for robotics and AI.

On-device AI Inference SDK
python
8.0k

NexaAI/nexa-sdk

A high-performance SDK enabling day-0 local inference of frontier LLMs and VLMs across diverse hardware (NPU, GPU, CPU) and platforms (PC, mobile, IoT) with minimal energy.

AI/ML Inference Library
c++
2.1k

vitoplantamura/OnnxStream

A lightweight C++ inference library designed to run large ONNX-based AI models like Stable Diffusion XL and Mistral 7B on resource-constrained devices with minimal memory footprint.

BitTorrent Client
C++
36.6k

qbittorrent/qBittorrent

A free and open-source BitTorrent client built with C++ and Qt, offering a fast, stable, and feature-rich alternative for peer-to-peer file sharing.

Web Framework
.net
5.9k

FastEndpoints/FastEndpoints

A lightweight, high-performance REST API development framework for ASP.NET 8+, designed as a developer-friendly alternative to Minimal APIs and MVC.

Robotics Middleware Framework
Rust
3.6k

dora-rs/dora

DORA is a high-performance, 100% Rust framework for building real-time, low-latency, and distributed AI-based robotic applications using a dataflow-oriented architecture.

C Library, Command-line Utility Suite
c
3.5k

libarchive/libarchive

A portable C library and suite of command-line tools for reading, writing, and manipulating a wide array of archive and compression formats.

Compiler & Toolchain Library
webassembly
8.4k

WebAssembly/binaryen

A C++ library providing a fast, effective, and easy-to-use compiler and optimizer for WebAssembly.

On-device AI Inference SDK
python
8.0k

qualcomm/nexa-sdk

A high-performance SDK enabling day-0 local inference of frontier LLMs and VLMs across diverse hardware (NPU, GPU, CPU) and platforms (PC, mobile, IoT) with minimal energy.

On-Device Multilingual Text-to-Speech System
ONNX Runtime
7.1k

supertone-inc/supertonic

Supertonic is a lightning-fast, on-device, multilingual text-to-speech system offering high-quality audio and privacy without cloud dependencies.

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