FastSend

Judgement

What it is

Complete system

What it does

A browser-based peer-to-peer file and folder transfer tool over WebRTC, with a hosted version at fastsend.ing and a Nuxt server for signalling.

Adopt it when

You want to send files or folders directly between two browsers, especially on the same LAN, with a Chinese or English interface.

Watch out

No releases and a small author base; transfers depend on both browsers staying open.

Ready for

Usable

Runs as

Cloud service and self-hosted server

Built with

TypeScript, Vue, Nuxt and WebRTC

How established

Established: started 2 years ago, no tagged release yet.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: FastSend → V8 → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

Open-source alternatives to FastSend

1. 1
   LocalSend localsend

   An open-source cross-platform alternative to AirDrop

   Complete system Production-ready You need AirDrop-style transfers between mixed Windows, macOS, Linux, Android and iOS devices on the same network.

   ★ 97k Apache-2.0 Dart Active, pushed today
2. 2
   Copyparty 9001

   Portable file server with accelerated resumable uploads, dedup, WebDAV, SFTP, FTP, TFTP, zeroconf, media indexer, thumbnails++ all in one file

   Complete system Production-ready You want to turn a NAS, PC or Raspberry Pi into a browser-accessible file drop and share point in minutes.

   ★ 47k MIT Python Active, pushed 13 days ago
3. 3
   Croc schollz

   Easily and securely send things from one computer to another :crocodile: :package:

   Developer tool Production-ready You regularly move files between machines across networks and are comfortable in a terminal.

   ★ 41k MIT Go Active, pushed today
4. 4
   Dufs sigoden

   A file server that supports static serving, uploading, searching, accessing control, webdav...

   Developer tool Production-ready You need a quick, scriptable file server for a folder on a LAN, a VPS or a container.

   ★ 11k Apache-2.0 Rust Active, pushed 4 days ago
5. 5
   ownCloud Core owncloud

   :cloud: ownCloud web server core (Files, DAV, etc.)

   Complete system Production-ready You already run ownCloud Classic and need to keep it patched; new deployments should look at ownCloud Infinite Scale or Nextcloud instead.

   ★ 8.8k AGPL-3.0 PHP Active, pushed today
6. 6
   SparkleShare hbons

   Share and collaborate by syncing with any Git repository instantly. Linux, macOS, and Windows

   Complete system Usable Rarely now; consider Syncthing or Nextcloud instead.

   ★ 5k GPL-3.0 C# Active, pushed 2 months ago
7. 7
   Zrok openziti

   Secure internet sharing made simple.

   Complete system Production-ready You need to expose a local service or folder to collaborators and want a self-hostable ngrok-style option built on OpenZiti.

   ★ 4.8k Apache-2.0 Go Active, pushed 3 days ago
8. 8
   Syncthing macOS syncthing

   Official frugal and native macOS Syncthing application bundle

   Complete system Production-ready You use Syncthing on a Mac and want it to behave like a native app rather than a background command-line service.

   ★ 4k MIT Objective-C Active, pushed 12 days ago

Commercial file transfer and sharing tools

1. 1
   WeTransfer Bending Spoons

   The simple, quick and secure way to send your files around the world without an account. Share your files, photos, and videos today for free.

   Complete system Production-ready You occasionally need to send a large file to someone outside your organisation without setting up shared storage.

   3.8k readers a month Since 2009 Commercial