LocalSend

Cross-Platform file sharing solution via WiFi.Apache-2.0

FrostWire

File-sharing and searchingGPL-3.0-only

Sharik - file sharing via WI-FI

An open-source, cross-platform solution for sharing files within a local networkMIT

Share via HTTP

File sharing toolBSD-3-Clause

aTalk

XMPP/Jabber client with encrypted instant messaging and video callsApache-2.0

ShareX

Share files across any platform in hassle-free way with fast speed!AGPL-3.0-only

Smoke

Echo communications through Android.MIT

Sweet IPFS

Run and manage an IPFS node from your deviceGPL-3.0-only

Linphone - open source SIP client

SIP (VOIP) phoneGPL-3.0-only

App Manager - Android package manager

A full-featured open source package manager for android.GPL-3.0-only

ProtonVPN - Secure and Free VPN

Free Swiss VPN with advanced security and privacy features.GPL-3.0-only

Warpinator for Android (unofficial)

Share files across local networkGPL-3.0-only

Element - Secure Messenger

Group messenger - encrypted messaging, group chat and video callsApache-2.0

Snapdrop & PairDrop for Android

Transfer files seamlessly between all your devices - SnapdropGPL-3.0-only

PixelKnot: Hidden Messages

Have a secret that you want to share? Why not hide it in a picture?GPL-3.0-only