Open-source alternatives to Snapdrop

Filepizza is a web-based peer-to-peer file sharing application that enables direct browser-to-browser data exchange. It utilizes WebRTC to establish connections between devices, allowing files to be sent without uploading data to a central server. The project provides a password-protected file sharing mechanism that secures transmissions via symmetric-key stream encryption. It includes a containerized signaling server that can be self-hosted to coordinate connections between peers and facilitate NAT traversal across restrictive networks and firewalls. The application supports multi-file tran

CryptPad is a self-hosted, zero-knowledge office suite designed for real-time collaborative editing and content management. It provides a privacy-centric infrastructure where documents, files, and notes are encrypted in the browser before transmission, ensuring that the server administrator cannot access the underlying data. The platform implements zero-knowledge user authentication, utilizing cryptographic keys to verify identities so that plain text passwords are never stored on the server. To further isolate sensitive operations, the system employs a security architecture that separates th

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 provides a comprehensive, self-hosted platform for zero-knowledge credential management and enterprise secrets orchestration. It functions as a secure vault that ensures all encryption and decryption processes occur exclusively on the client side, preventing the server from ever accessing plaintext data. By combining identity federation with robust access controls, the system enables organizations to centralize the management of passwords, passkeys, and sensitive infrastructure credentials. The platform distinguishes itself through its focus on both human-centric security and aut

Snapdrop is a browser-based peer-to-peer file sharing tool that transfers files directly between devices on the same local network without uploading to any intermediate server. It operates as a progressive web app, meaning it works across devices without installation, and uses end-to-end encryption to ensure only the sender and receiver can read the content being transferred. The application establishes direct browser-to-browser connections using WebRTC, splitting large files into chunks for real-time streaming with progress tracking. It discovers nearby devices on the same subnet through loc

PrivateBin is a self-hosted, zero-knowledge text hosting service and secret sharing tool. It utilizes browser-based AES 256-bit encryption to ensure that data is encrypted on the client side before transmission, meaning the hosting server cannot read or recover the original content. The project distinguishes itself by using URL fragments to distribute decryption keys, preventing the secret key from ever being sent to the server. It supports the distribution of both encrypted text and files, which are compressed and encrypted locally prior to storage. The platform includes capabilities for an

dufs is a self-hosted file manager and static file server that provides HTTP file hosting and WebDAV capabilities. It functions as a tool for sharing files over HTTP and managing folders remotely through both a web-based interface and the WebDAV protocol. The server distinguishes itself by mapping incoming requests directly to a local directory structure and offering a single-binary distribution for deployment. It supports the mounting of the server as a network drive via WebDAV and allows for the replacement of the default web interface using customizable asset overlays. The project covers

alt-sendme is an accountless peer-to-peer file transfer tool designed for sending files and folders directly between devices. It operates as a decentralized sharing service that utilizes portable access tickets for identity exchange instead of centralized user accounts. The project distinguishes itself through NAT and firewall traversal capabilities, using UDP hole punching and relay-based fallback routing to establish direct connections between remote devices. It supports multi-device data broadcasting, allowing a single file or folder to be shared with multiple recipients simultaneously thr

Remotely Save is a cloud storage synchronization tool and backup manager designed to keep local files and application data consistent across desktop and mobile devices. It functions as a cross-platform synchronizer that mirrors local data to remote servers using S3 and other cloud protocols. The project focuses on privacy and security through end-to-end encryption, which secures files with a user-defined password before they are uploaded to remote cloud services. It ensures data remains private on third-party servers by applying symmetric client-side encryption. The system includes capabilit

CJDNS is a peer-to-peer VPN and cryptographic network overlay that implements an encrypted IPv6 mesh network. It functions as a distributed hash table router, utilizing a non-hierarchical XOR metric to route traffic across nodes without relying on a central authority or registry. The project distinguishes itself by tying network identity to cryptographic ownership, deriving unique IPv6 addresses from public keys. It ensures secure peer connectivity across NAT boundaries using public-key authentication, end-to-end packet encryption, and a handshake protocol that provides perfect forward secrec

Oblivion is an encrypted tunneling service and internet privacy tool designed to route network traffic through private encrypted tunnels. It functions as a network privacy gateway that masks user identity and encrypts web traffic to prevent tracking and unauthorized surveillance. The project acts as a secure network proxy that combines end-to-end encryption with latency-optimized routing to increase data throughput and reduce network lag. This infrastructure allows for the masking of a device's public identity by relaying connections through a private network. The system provides capabilitie

Send is an end-to-end encrypted file sharing service that encrypts files on the sender's device before upload, ensuring the server never sees plaintext content. It generates secure download links that are designed for single use, automatically removing access after the first successful download, and associates each share with a time-limited access token that expires after a set duration. The service operates without requiring user accounts, lowering friction for ephemeral sharing, and uses cryptographic key derivation to generate decryption keys from the download URL, eliminating server-side

Microbin is a self-hosted file sharing application and encrypted pastebin written in Rust. It provides a platform for hosting text snippets and binary files via unique links, functioning as both a secure file drop and a URL shortener. The system features client-side end-to-end encryption, ensuring the server does not see plaintext data before it is transmitted. It includes secure postbox portals for collecting documents from external clients and supports password-protected access control to restrict content visibility. The platform manages the upload lifecycle through time and view-based exp

SwanLab is an open-source machine learning experiment tracking platform and observability tool. It provides a centralized dashboard for logging training metrics, hyperparameters, and hardware performance to monitor and analyze AI model training runs. The platform is distinguished by its focus on self-hosted infrastructure, allowing users to deploy private instances via Docker or Kubernetes for secure on-premises data control. It also includes specialized utilities for migrating historical experiment logs and synchronizing real-time metrics from external tools like MLflow. The system covers a

Wealthfolio is a local-first personal finance tracker and multi-currency net worth calculator designed for managing investments, spending, and overall financial standing. It functions as an extensible portfolio management platform that allows users to maintain their data on their own devices, with an optional self-hosted Docker deployment for private server access. The platform is distinguished by an LLM-powered financial assistant that handles natural language transaction imports and portfolio querying. It further differentiates itself through a TypeScript-based SDK and plugin architecture,

Send is a self-hosted file transfer service designed for end-to-end encrypted file sharing. It provides a privacy-focused data transfer solution and ephemeral file storage where uploaded content is automatically deleted after a specified number of downloads or a set amount of time. The service ensures private file sharing by utilizing client-side encryption to protect data before it is uploaded. Decryption keys are distributed to recipients via URL hash fragments to ensure the server never has access to the keys. The platform supports encrypted data transfer and temporary file hosting. It us

OnionShare is a privacy-focused data transfer tool and onion service host. It enables the anonymous sharing of files and the hosting of websites by creating temporary hidden services on the Tor network. The software functions as a peer-to-peer system that moves data directly between endpoints without utilizing central third-party servers. It provides capabilities for anonymous file sharing, website hosting, and encrypted peer-to-peer chat, ensuring the identities and IP addresses of participants remain hidden. Communication is secured through end-to-end encryption and Tor-based onion routing

qrcp is a command-line file sharing utility that hosts a temporary local network server to facilitate wireless file exchanges between computers and mobile devices. It functions as a secure local file host, enabling the transfer of assets over a Wi-Fi network via a web browser. The tool distinguishes itself by using QR codes to automate device pairing, removing the need for manual IP entry. It ensures data privacy through certificate-based HTTPS encryption and simplifies the movement of directory structures by bundling multiple files into ephemeral zip archives. The system supports bidirectio

This project is a synchronization plugin that mirrors notes, settings, and vault data across multiple devices. It functions as a self-hosted vault synchronizer, allowing users to maintain a personal knowledge base using a user-owned server. The system utilizes a CouchDB synchronization layer to maintain consistent document states across peers. Security is handled through end-to-end encryption, which encrypts vault content locally before transmission to ensure privacy on remote storage. The replication model supports both self-hosted data replication and peer-to-peer data transfer. It manages

Croc is a command-line utility for sending files and folders between computers using end-to-end encrypted peer-to-peer connections. It employs elliptic curve encryption and key agreement to secure data transmission between remote endpoints. The tool allows users to coordinate transfers using a shared code phrase and supports the operation of custom relay servers to facilitate connections without relying on public infrastructure. It also includes a proxy client to route encrypted traffic through SOCKS5 proxies. Additional capabilities include resumable data transmission for unstable connectio

This project is an Android password manager application that provides an end-to-end encrypted vault for storing and synchronizing login credentials, secure notes, and identities. It functions as a secure storage system using zero-knowledge encryption to ensure that only the user can decrypt their stored data. The application integrates directly with the Android system to provide an autofill service that populates usernames and passwords into mobile apps and browser login fields. It also serves as a passkey management wallet for FIDO2 cryptographic passkeys and a time-based one-time password a

Filegator is a web-based file manager and self-hosted file sharing portal. It functions as a cloud storage gateway that allows users to organize, upload, and download files across local disks and various cloud storage providers through a single unified interface. The system features a multi-backend authentication provider capable of verifying identities via JSON files, databases, or external directory services. It includes a role-based access control system that manages user permissions, assigns home folders, and restricts access to specific files and system routes. The platform provides cap

Transfer.sh is a self-hosted file storage server designed for rapid data sharing through a command-line interface. It functions as an encrypted hosting platform that allows users to upload and download files using standard HTTP requests, facilitating direct data transfer between systems without the need for external accounts or complex configurations. The service distinguishes itself by processing data as continuous streams, which minimizes memory usage during large transfers. It provides granular control over file availability through automated lifecycle management, allowing administrators t

Yopass is a secure secret sharing platform used to share encrypted text and files via one-time expiring links. It utilizes client-side encryption to ensure that sensitive data is encrypted in the browser before transmission, preventing the server from seeing plain text. The platform differentiates itself through an integrated security auditing system that generates structured logs and triggers cryptographically signed webhooks when secrets are created, viewed, or expired. It also features an access control system based on OpenID Connect, allowing administrators to restrict secret creation and

This is a build tool for adding progressive web app capabilities to Vite projects. It automates the generation of web app manifests and service workers, enabling websites to become installable on mobile and desktop devices. The project provides a specialized asset pipeline that generates a complete set of required application icons and theme colors from a single source image. It also manages the service worker lifecycle, offering both automatic generation and the ability to compile custom service worker files with an integrated precache manifest. The plugin covers broad capability areas incl

Kopia is a backup utility designed to create encrypted, deduplicated, and compressed snapshots of files and directories. It functions as a client-side tool that secures data locally before transmitting it to various storage targets, ensuring that sensitive information remains protected throughout the backup process. The system utilizes content-addressable block storage and metadata-driven versioning to identify and remove redundant data across multiple snapshots. By employing a pluggable storage abstraction layer, it supports a wide range of local, network, and cloud-based storage providers,