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591 projects, sorted by GitHub stars.

ClickHouse

Alternative toSnowflake

Fast open source column-oriented database for analytics

  • 50,563 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Database

Mastodon

Alternative toX (formerly Twitter) Premium

Decentralized social network where users own their timeline and data.

  • 50,435 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Huginn

Alternative toZapier

Self-hosted agents that watch the web and trigger automations

  • 50,109 GitHub stars
  • MITLicence MIT

Aider

Alternative toClaude Code

Git-native terminal coding agent for multi-file edits and clean diffs

  • 49,737 GitHub stars
  • Apache-2.0Licence Apache-2.0

3x Ui

Alternative toOpenVPN Access Server

Web panel for Xray-core with per-client and multi-node controls

  • 48,417 GitHub stars
  • GPL-3.0Licence GPL-3.0

Gogs

Alternative toGitHub

Lightweight self-hosted Git server that is painless to set up

  • 47,898 GitHub stars
  • MITLicence MIT

codebase-memory-mcp

Alternative toAtlassian Code Context

Efficient code intelligence for AI coding agents

  • 47,353 GitHub stars
  • MITLicence MIT

Rocket.Chat

Alternative toMicrosoft Teams

Self-hosted team chat with voice, video, and omnichannel support

  • 46,304 GitHub stars
  • MITLicence MIT
  • #Chat

LibreChat

Alternative toChatGPT

One self-hosted interface for every AI model you use

  • 46,279 GitHub stars
  • MITLicence MIT
  • #AI Agents

omarchy

Alternative tomacOS

DHH's opinionated Linux distribution for developer workstations

  • 45,536 GitHub stars
  • MITLicence MIT

Herdr

Alternative toConductor

Agent runtime that keeps terminals alive across machines

  • 45,431 GitHub stars
  • Apache-2.0Licence Apache-2.0

Zen Browser

Alternative toSigmaOS

Focus-first Firefox fork with workspaces and split-view browsing

  • 45,163 GitHub stars
  • MPL-2.0Licence MPL-2.0
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