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27 projects, sorted by GitHub stars.

RustDesk

Alternative toTeamViewer

Self-hosted remote desktop with end-to-end encryption

  • 127,113 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

LocalSend

Alternative toSend Anywhere

Free cross-platform file sharing over local network, no cloud

  • 95,715 GitHub stars
  • Apache-2.0Licence Apache-2.0

Outline

Alternative toNotion

Team wiki and knowledge base with realtime collaboration

  • 41,073 GitHub stars

ShareX

Alternative toSnagit

Screenshot and record with 80+ upload destinations on Windows

  • 40,425 GitHub stars
  • GPL-3.0Licence GPL-3.0

Nextcloud

Alternative toMicrosoft OneDrive

Self-hosted collaboration hub with file sync, calendar, and messaging.

  • 37,302 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Ente

Alternative toGoogle Photos

E2EE photo backup with face recognition, AI search, and family plans

  • 29,575 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Zulip

Alternative toSlack

Organized team chat with threaded conversations, self-hostable

  • 26,116 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

Bitwarden

Alternative to1Password

Open source password manager with end-to-end encryption and self-hosting.

  • 20,486 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Element

Alternative toSlack

Secure team chat built on the Matrix open protocol

  • 13,613 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Chat

Signal

Alternative toWWhatsApp

A secure messaging app focused on privacy and user experience.

  • 10,755 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Chat

Papermark

Alternative toDocSend

Self-hosted data rooms with page-level analytics and custom domains

  • 9,268 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

ownCloud

Alternative toDropbox

Self-hosted file sharing with data sovereignty for teams and enterprises.

  • 8,840 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
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