Open-source alternatives to SyncClipboard

This project is an image processing library designed for manipulating pixel data, applying visual filters, and adjusting image appearance. It functions as a low-level tool for processing raw pixel buffers and managing image data. The library provides a toolkit for image geometry manipulation, including resizing, cropping, flipping, and rotating images. It also serves as an image format converter for encoding and decoding data between common binary file formats and as a metadata extractor for retrieving dimensions and color profiles from file headers. The capabilities cover low-level image pr

OpenFaaS is a serverless function platform that provides a container-native framework for deploying and managing event-driven code. It functions as an abstraction layer over container orchestrators, allowing developers to package code into scalable functions that run across Kubernetes clusters or edge computing environments. The platform distinguishes itself through a developer-centric runtime that utilizes standardized language templates and automated build pipelines to simplify the creation of container images. It features a central API gateway that manages request routing, authentication,

Nhost is an open-source backend as a service that provides a managed PostgreSQL database, authentication, and file storage accessible through a unified GraphQL API. It functions as a backend infrastructure orchestrator, enabling the deployment and management of full-stack environments using containerization and command-line automation. The platform distinguishes itself by automating the transformation of relational database tables into a secure GraphQL API and providing an integrated identity provider that supports passwords, magic links, and OAuth. It also includes a serverless function runt

This project is a self-hosted recipe manager designed for organizing digital libraries, planning meals, and generating shopping lists. It serves as a central hub for recipe collection management, providing tools to store, categorize, and share recipes within a collaborative kitchen workflow. The system distinguishes itself through an AI-powered importer that extracts structured ingredients and instructions from images, PDFs, and websites. It further integrates with home automation environments as a containerized add-on and supports S3-compatible object storage for managing media files. The s

This project is a community-curated directory of open-source software designed for deployment in private server environments and home labs. It serves as a comprehensive resource for discovering independent, self-hosted alternatives to mainstream cloud services, enabling users to maintain full data ownership and control over their digital infrastructure. The directory is structured through a hierarchical taxonomy that organizes a vast collection of applications into logical categories, ranging from media management and data analytics to private communication and team productivity tools. It dis

Flowise is a low-code platform designed for building and deploying complex language model workflows through a visual, node-based interface. It functions as an orchestrator for autonomous multi-agent systems, allowing users to construct conversational pipelines by connecting language models, memory stores, and external tools on a drag-and-drop canvas. The platform distinguishes itself through its support for sophisticated agentic patterns, including supervisor-worker delegation and iterative reasoning strategies. Users can design directed acyclic graphs to manage conditional branching, state p

pyAudioAnalysis is a Python library and framework for audio signal processing and analysis. It provides tools for extracting mathematical representations of sound, such as spectrograms, and implements a system for training and evaluating machine learning models to classify audio segments based on acoustic patterns. The project includes dedicated utilities for audio segmentation, which allow for the removal of silence and the detection of specific audio events to divide recordings into meaningful sections. It also provides data visualization capabilities that use dimensionality reduction to ma

Pixelfed is a decentralized, self-hosted photo sharing platform and social network. It uses the ActivityPub protocol to enable federation, allowing independent server instances to share user profiles, media, and posts across a distributed network. The platform distinguishes itself with a focus on media portability and processing, featuring tools for importing content from Instagram and utilizing client-side WebGL for image filter processing. It employs a driver-based storage abstraction to manage media across local disks or S3-compatible cloud object storage. The system includes capabilities

Radicale is a self-hosted CalDAV and CardDAV server implemented in Python that enables calendar and contact synchronization across multiple clients using open standards. It stores all data directly on the filesystem in a simple folder hierarchy, eliminating the need for an external database, and automatically tracks every change by committing modifications to a Git repository for version history and backup. The server distinguishes itself through a modular plugin architecture that allows custom Python modules to extend authentication, storage backends, and web interface functionality at start

Restangular is a REST client and resource mapper for AngularJS applications. It provides a suite of tools for mapping API endpoints to local objects and collections, facilitating frontend CRUD implementation through standard HTTP methods. The project distinguishes itself through an async data binding system that links user interface elements to server-side objects, ensuring automatic updates upon request completion. It also features a programmable request interceptor pipeline for modifying headers and transforming responses, as well as a JSONP request handler to bypass same-origin policy rest

This project is a Spring Boot reference implementation and learning resource designed to demonstrate the core features and architectural patterns of the Spring framework. It serves as a Java enterprise application template and boilerplate for building RESTful APIs, providing a structured codebase for practicing application development. The repository provides practical examples of microservices architecture orchestration, including the use of service discovery and inter-service communication to coordinate distributed services. It also implements reference patterns for RESTful API design with

CookieCloud is a system for synchronizing encrypted browser cookies and local storage across multiple devices using a self-hosted server. Its primary purpose is to maintain authenticated session states across different browser installations without the need for repeated manual authentication. The project employs a client-side end-to-end encryption model, ensuring that sensitive data is encrypted and decrypted locally on the device so the synchronization server only handles ciphertext. It distinguishes itself by providing automated session maintenance, which periodically refreshes specific web

Oatpp is a high-performance C++ web framework and API development kit used for building REST APIs and web services. It functions as an asynchronous HTTP server that utilizes coroutines to handle thousands of simultaneous connections without blocking threads. The toolkit includes a native C++ object-relational mapping layer for executing SQL queries and transforming database results into data objects. It also provides a WebSocket communication library for establishing full-duplex channels to support real-time data streaming and live media. The framework covers a broad range of capabilities, i

Piknik is an encrypted clipboard relay and multiplexer that coordinates the sharing of text, binary data, and shell content across multiple network hosts. It utilizes a centralized relay architecture to manage secure client connections, providing an end-to-end encrypted system for synchronizing session state and data streams. The project distinguishes itself through the use of multi-stage key derivation and API key access control to secure remote shell access. It employs end-to-end encryption and digital signatures to protect relayed content, ensuring that data is encrypted at the source befo

EcoPaste is a cross-platform clipboard manager designed to track and store a history of copied text, images, and files. It serves as a clipboard organization tool that allows for the categorization of saved snippets. The application focuses on local-first clipboard history, keeping all copied content and metadata on the local machine to ensure data privacy and offline access. It enables the organization of clipboard entries through the use of custom notes and labels for more efficient information retrieval.

Helios is a mobile backend as a service providing a server-side platform to manage user accounts, push notifications, and data synchronization for mobile applications. It functions as a REST API framework that automatically generates database tables and standard web service endpoints from defined data models. The project implements specialized services for the Apple ecosystem, including a Passbook service for managing digital passes and device registration. It also provides an in-app purchase verification service to decode purchase receipts and validate product identifiers through external ve

Vibetunnel is a remote shell infrastructure project consisting of a headless terminal server, a remote shell manager, and a web-based terminal proxy. It provides the backend and connectivity tools necessary to execute processes on cloud instances and stream the resulting output to a web browser. The system distinguishes itself through secure tunneling connectivity and real-time terminal state synchronization. It uses encrypted tunnels to expose local shell environments to the internet and includes a terminal session recorder to capture activity in a playback-ready format for sharing and revie

GSConnect is a GNOME Shell extension that implements the KDE Connect protocol to synchronize notifications, files, and clipboard data between a desktop and a mobile device. It serves as a cross-device synchronization tool and wireless file transfer utility, allowing for the mirrored exchange of system states and data over a local network. The project enables remote device control, allowing a connected phone to manage a computer's media playback, adjust system volume, and operate the host cursor and keyboard. It also functions as a remote device controller for triggering phone actions, such as

Backbone is a JavaScript MVC framework and client-side data orchestrator used to structure web applications. It functions as an event-driven UI library and RESTful state manager that synchronizes data models with remote JSON interfaces to maintain consistent application state. The framework coordinates communication between application components through a decoupled event system. It binds data updates directly to the document object model, ensuring that the user interface remains synchronized with the underlying state. It provides tools for frontend data organization, allowing developers to

The nexa-sdk is an on-device AI SDK and multimodal inference engine designed to run large language, vision, and audio models locally on mobile and desktop hardware. It functions as a local LLM runtime and NPU acceleration framework, enabling the execution of generative and discriminative models without reliance on cloud services. The project distinguishes itself through a dedicated NPU acceleration framework that optimizes model execution on Neural Processing Units to reduce latency and power consumption. It employs hardware-agnostic backend routing to dynamically distribute computations acro

Craft is a multiplayer voxel sandbox written in C. It utilizes an OpenGL voxel engine to render a block-based world and implements an infinite terrain generator that uses noise functions to create deterministic, procedural landscapes. The project features a networked environment where players can build and modify a shared world using socket-based state synchronization. To maintain consistency across sessions, it employs a voxel world database to store and retrieve modified block coordinates. The system covers a range of capabilities including 3D collision detection for character movement, to

Grocy is a self-hosted household management system designed to track grocery inventory, chore logs, and equipment manuals within a private home environment. It functions as a grocery inventory manager, a digital recipe and meal planner, and a household chore tracker. The system distinguishes itself through a REST API that exposes all household functions for home automation integration and a barcode-based stock controller that utilizes external databases to identify products and update stock levels. It also features recipe web scraping to automatically extract culinary data from external websi

ASP.NET Core MVC is a model-view-controller framework used for building dynamic websites and web APIs within the .NET ecosystem. It provides a server-side architecture that separates data logic, user interface rendering, and request handling to maintain boundaries between application layers. The framework includes a Razor templating engine for embedding code into HTML pages to generate dynamic web content. It also functions as a RESTful web API framework for creating scalable HTTP services that deliver structured data to clients through a standardized network interface. The system manages re

This project is a home automation controller that manages physical hardware and environmental sensors through a centralized gateway. It provides a unified system for toggling electrical relays, operating legacy electronics, and monitoring physical conditions like temperature and humidity. The system distinguishes itself by integrating low-level hardware manipulation with remote accessibility features. It captures and replays infrared signals to control legacy appliances and uses direct pin toggling to manage connected electrical components. To ensure consistent operation, it maintains persist

Beego is a high-performance toolkit for building web applications and RESTful APIs using the Go programming language. It is structured as an MVC web framework that separates data models, views, and controllers to organize application logic. The project provides a comprehensive suite of integrated tools, including an object-relational mapper for translating code objects into database tables and a session manager for maintaining user identity and state across server requests. It also includes an internationalization framework for managing multilingual content and translating text based on user

Input Leap is a software KVM switch and multi-machine input controller that allows a single keyboard and mouse to control several physical workstations over a local network. It functions as a network input emulator, sending keyboard and mouse signals to remote operating systems to manage a multi-machine workspace as if it were a single system with multiple monitors. The project also serves as a cross-platform clipboard synchronizer, enabling the sharing of copied text and data between different operating systems so that content can be pasted across all connected machines.

Metrolist is a multi-functional audio player and YouTube music client. It serves as a music library manager and a synchronized lyrics viewer, providing a unified interface for streaming audio and video content. The application distinguishes itself through real-time music synchronization, which allows multiple users to share a coordinated listening experience. It also includes automated translation tools for synchronized lyrics and a dedicated system for streaming audio from video sharing services with background playback and offline caching. The platform covers a broad set of capabilities, i