Open-source alternatives to Ipfs

go-ipfs is an implementation of an IPFS node, providing a distributed filesystem and a content-addressable storage system. It enables the storage and retrieval of data based on unique cryptographic hashes rather than fixed network locations, allowing files to be shared across a peer-to-peer network without a central authority. The system utilizes a distributed hash table and a peer-to-peer gossip protocol to route requests and propagate network state and metadata. It organizes data using a Merkle DAG structure to support efficient deduplication and versioning of content. Capabilities include

js-ipfs is an HTTP client library that connects to any IPFS daemon, enabling JavaScript applications to interact with the InterPlanetary File System. It provides a promise-based asynchronous API for managing content-addressed storage, where all data is identified by cryptographic hashes (CIDs) for immutable references and deduplication. The library communicates with a remote IPFS node through HTTP requests, supporting cancellation of in-flight operations via standard AbortController signals. The library offers a comprehensive set of capabilities for working with IPFS, including adding and ret

ShareDrop is a browser-based platform designed for direct, peer-to-peer file exchange between devices. It facilitates data transfer by establishing encrypted connections directly between browsers, ensuring that files are transmitted without being stored on central servers. The system identifies nearby devices on the same local network to enable immediate, configuration-free file sharing. For remote participants, it provides the ability to create private, temporary web rooms that use unique, ephemeral addresses to establish secure connections across different networks. The project coordinates

This project is a blockchain development course and framework designed to teach the creation of decentralized applications and smart contracts. It provides a structural guide and development kit for building software that interacts with distributed ledger technology and peer-to-peer storage. The project covers the implementation of consortium blockchains for enterprise settings, where shared ledgers are managed between trusted organizations. It also includes methodologies for orchestrating private blockchains and simulating local nodes for testing applications. The capability surface extends

This project is a full-featured BitTorrent client library and protocol implementation. It provides the core components necessary for peer-to-peer file sharing, including a networking stack that supports the BitTorrent specification, tracker communication, and swarm management. A primary differentiator is the inclusion of a virtual filesystem that allows torrents to be mounted as read-only drives. This system enables on-demand content streaming, where specific data pieces are fetched from the network only when a read request occurs, rather than requiring the entire archive to be downloaded fir

Beaker is a peer-to-peer web browser and decentralized web platform. It enables the discovery, access, and hosting of websites and web applications across a distributed network, removing the requirement for centralized servers or traditional hosting providers. The platform functions as a tool for hosting peer-to-peer websites, allowing users to serve web content directly from a local device to other users. This architecture supports the development of hostless web applications that operate without cloud hosting infrastructure. The system facilitates decentralized web browsing and distributed

Groupcache is a distributed caching library designed to coordinate data retrieval and storage across a cluster of nodes. It functions as a peer-to-peer data store that uses consistent hashing to assign specific keys to canonical owners, ensuring that cached items remain predictable and accessible throughout the network. The system distinguishes itself through a request coalescing engine that merges concurrent requests for the same missing key into a single upstream fetch. This mechanism prevents redundant backend load by ensuring that only one process retrieves the required data while sharing

OrbitDB is a decentralized data storage system that enables the creation of serverless databases residing across a network of peers. It functions as a peer-to-peer database that integrates with a content-addressed storage layer to distribute and replicate data without a central server. The system utilizes conflict-free replicated data types to ensure eventual consistency and state convergence across distributed nodes. It maintains an immutable record of updates using a directed acyclic graph to preserve causal ordering and cryptographic integrity. Access is managed through a decentralized ide

Noms is a distributed version control database and content-addressable data store. It identifies data by cryptographic hashes to ensure integrity and deduplication, while tracking dataset state changes through a sequence of immutable commits to enable branching, forking, and historical recovery. The system functions as a peer-to-peer data synchronizer, reconciling state between disconnected database instances to ensure all nodes converge on the same data. It distinguishes itself as a schema-flexible document store that supports self-describing types, allowing schemas to evolve and widen as ne

Datahaven is a decentralized storage network and smart contract platform designed for storing verifiable data with cryptographic integrity checks. It functions as a peer-to-peer system that ensures data availability and prevents loss through redundancy and tamper-evident content addressing. The project incorporates a restaking security layer that protects the network from malicious actors by leveraging economic stakes and automated slashing mechanisms. It also features a cross-chain asset bridge that transfers tokens and messages between different blockchain networks using finality proofs. T

IPFS Desktop is a graphical client for storing, retrieving, and managing content on a peer-to-peer network. It functions as a distributed file system manager and node administration tool, allowing users to run a local node and manage content-addressed data without using a command line. The application includes a network visualizer for monitoring connected peers and analyzing global network topology. It also serves as a system protocol handler capable of intercepting and processing ipfs and ipns URIs. The software covers decentralized file storage and distributed content hosting, featuring to

The OCI Container Image Specification is a standardized format for container images that ensures interoperability between different build tools and runtimes. It serves as a distribution standard for structuring image blobs and manifests, providing a consistent way to transfer data between registries and clients. The specification employs a content-addressable storage standard that identifies image layers and manifests using cryptographic digests to ensure data integrity. It includes a JSON-based configuration schema for defining execution metadata, such as entrypoints and environment variable

Syncthing macOS is a native application bundle that wraps the Syncthing binary to provide decentralized, peer-to-peer file synchronization on macOS. It enables bidirectional data replication across multiple devices using a block exchange protocol, allowing files and folders to stay consistent without relying on a central cloud server. The project distinguishes itself by integrating the cross-platform synchronization engine into the macOS environment as a background service. It provides a system tray interface for quick access to the management GUI and supports automatic application startup th

Syncthing Android is a mobile application and service wrapper that enables decentralized, peer-to-peer file synchronization on the Android platform. It functions as a distributed data sync tool that mirrors folders across multiple devices without the need for a central cloud server. The project provides a mobile interface to manage a synchronization instance, utilizing a service-wrapper architecture to handle the lifecycle and configuration of the underlying synchronization binary. It ensures secure data exchange through TLS encryption, certificate-based identity verification, and password-pr

This project is a digital library and archive of vintage Chinese language DOS games. It provides a curated collection of historical software preserved for access through a web-based emulation platform and a searchable game catalog. The system utilizes a decentralized repository to host and share game data files across a peer-to-peer network. This ensures assets are retrieved using content-addressable hashes rather than relying on central servers. Users can execute games directly in a web browser via a DOS emulation engine or use provided scripts to download and configure game archives for lo

I2P is a decentralized anonymous network layer and peer-to-peer overlay network. It functions as a darknet infrastructure that encrypts traffic and masks user identities and locations from external observers. The system acts as an anonymous proxy gateway, enabling the hosting of hidden services and websites that are unreachable via the public internet. It provides capabilities for privacy-preserving web mirroring and private secure shell tunneling to hide the physical IP addresses of both servers and clients. The network employs garlic routing, unidirectional tunneling, and a distributed has

i2pd is a C++ implementation of the I2P anonymous network layer, serving as a peer-to-peer overlay network and I2P network router. It functions as a decentralized communication system that masks IP addresses and encrypts data using a garlic routing protocol. This project provides a lightweight daemon that acts as a self-hosted privacy gateway, connecting local applications to the I2P network for private data transmission without the use of Java. The system covers anonymous peer communication, privacy-preserving networking, and secure client-server interactions. It implements end-to-end encry

Dat is a peer-to-peer file synchronization tool that combines an append-only, hash-addressed log with Merkle tree verification, cryptographic access keys, live streaming replication, and swarm networking for sparse, versioned file sharing. It stores file data and metadata in a cryptographically signed, versioned append-only log where each entry is identified by its hash, and uses public-key cryptography to secure archives with separate read and write keys. The tool enables live streaming replication of data between peers as entries are appended, with Merkle tree integrity verification that su

libp2p is a modular peer-to-peer networking stack designed for building decentralized applications. It provides the core infrastructure necessary for nodes to discover and connect with other participants across a network without relying on central servers. The project distinguishes itself through a flexible transport layer that abstracts multiple protocols, including TCP, QUIC, WebSockets, and WebTransport, into a single interface. It features specialized tools for NAT and firewall traversal, such as hole punching and relay nodes, to establish direct connections between peers and web browsers

Lnd is a full implementation of the Lightning Network protocol, functioning as a Bitcoin Layer 2 daemon that manages payment channels and settles transactions on the Bitcoin blockchain. It serves as an off-chain payment processor and a cryptographic wallet manager, enabling the execution of instant, scalable transactions through a network node. The project distinguishes itself through a focus on secure node networking and programmatic control. It provides gRPC and REST API servers for automating payment workflows and utilizes macaroon-based authorization to delegate granular permissions via c

eMule is a decentralized file sharing client and download manager that connects to peer-to-peer networks to download, share, and exchange files directly with other users without relying on central servers. It queues transfers, tracks active network sources, and automatically recovers corrupted file archives. The client maintains distributed connections across large networks to discover sources and transfer file chunks directly between clients. It downloads distinct file fragments concurrently from multiple independent peers and reconstructs them into complete archives, while managing upload a

Spegel is a container registry cache and peer-to-peer distribution system for Kubernetes. It functions as an OCI image mirror and content addressable store that shares image layers between cluster nodes to reduce external registry traffic and latency. The project implements a distributed hash table to locate image digests across the network, allowing nodes to retrieve content from peers rather than repeated external downloads. This architecture mitigates registry rate-limiting and provides offline image availability to prevent workload failures during registry outages. The system covers capa

Indigo is a Go-based framework and toolkit designed for building, hosting, and scaling services within the AT Protocol ecosystem. It provides the foundational infrastructure for decentralized social networking, enabling developers to implement relay services, manage cryptographically signed user repositories, and handle identity resolution across federated environments. The project distinguishes itself through a robust architecture that decouples content hosting from discovery, allowing for independent moderation and algorithmic feed generation. It utilizes content-addressed storage and Merkl

Massa is a multithreaded Layer 1 blockchain and decentralized application platform. It serves as a programmable ledger for deploying smart contracts and executing decentralized operations using a multithreaded architecture to process transactions in parallel. The project features a blockchain web hosting gateway for storing immutable websites and front-end code directly on the ledger to ensure censorship resistance. It also functions as a cross-chain asset bridge for transferring digital assets between different blockchain networks and provides a system for autonomous smart contract execution

Hypercore is a distributed append-only logging system designed for maintaining cryptographically signed data streams that are replicated and verified across a network of peers. It provides verifiable data storage using a Merkle tree structure to ensure the integrity and authenticity of information through cryptographic proofs. The project is distinguished by its support for sparse data replication, which allows peers to download only the specific ranges or blocks of a log required for their current needs to reduce bandwidth. It also implements encrypted peer-to-peer messaging and the ability

PairDrop is a cross-platform file sharing application and web-based tool for peer-to-peer data exchange. It enables the transfer of files and text messages between devices using a browser, operating without the need for user accounts or central storage. The project supports both local network file transfers and cross-device sharing over the internet. It provides methods for establishing connectivity through temporary rooms using shared short-codes, QR-code identity exchange, and persistent device pairing to maintain connections across different networks. Connectivity is managed via WebRTC pe

Plain-app is a multi-purpose toolset for self-hosted device management, providing a web-based dashboard to remotely access files, system settings, and notifications on a mobile device over a local network. It functions as a remote gateway for SMS and notifications, a peer-to-peer file transfer system, and a media server for streaming content to browsers or casting to televisions via DLNA and Chromecast. The project emphasizes secure local connectivity, utilizing TLS and XChaCha20-Poly1305 encryption to protect traffic between the mobile device and the browser. It also includes a distraction-f