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126 projects, sorted by GitHub stars.

Cerbos

Alternative toPlainID

Move access control out of app code into testable YAML policies

  • 4,627 GitHub stars
  • Apache-2.0Licence Apache-2.0

Donut Browser

Alternative toMultilogin

Anti-detect browser with isolated profiles and zero telemetry

  • 4,084 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

securo

Alternative toMonarch Money

Self-hosted money manager with bank sync and AI agents.

  • 4,073 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Cinny

Alternative toElement

Elegant open source Matrix client for self-hosted chat

  • 3,940 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Chat

Radar

Alternative toLens

Open-source Kubernetes UI with topology, GitOps, and AI agent MCP.

  • 3,866 GitHub stars
  • Apache-2.0Licence Apache-2.0

Brave

Alternative toGoogle Chrome

Block ads and trackers by default in a Chromium-based browser

  • 3,697 GitHub stars
  • MPL-2.0Licence MPL-2.0

Oso Cloud

Alternative toPermit.io

Open source authorization with RBAC, ABAC, and ReBAC for any app

  • 3,488 GitHub stars
  • Apache-2.0Licence Apache-2.0

Revolt

Alternative toDiscord

Self-hosted open source Discord alternative with servers

  • 3,406 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Chat

Esp32 C3 Adblock

Alternative toNextDNS

Pi-hole-style DNS ad-blocker on a $2 ESP32-C3 board

  • 3,299 GitHub stars
  • MITLicence MIT

Storj

Alternative toAmazon S3

Decentralized S3 storage with end-to-end client-side encryption

  • 3,282 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Wire

Alternative toMicrosoft Teams

End-to-end encrypted messaging, voice, and file sharing

  • 2,781 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Chat

Tox

Alternative toThreema Work

Free encrypted P2P messaging and voice calls, no servers

  • 2,696 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #Chat
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