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585 projects, sorted by GitHub stars.

Sylius

Alternative toShopify

Headless Symfony commerce for complex B2B and B2C stores

  • 8,560 GitHub stars
  • MITLicence MIT

GrowthBook

Alternative toLaunchDarkly

Open source A/B testing and feature flag platform

  • 8,514 GitHub stars

Flue Framework

Alternative toCClaude Managed Agents

Build powerful, autonomous agents with TypeScript.

  • 8,500 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Floorp

Alternative toBrave Browser

Firefox fork with advanced privacy controls and UI customization

  • 8,452 GitHub stars
  • MPL-2.0Licence MPL-2.0

tailcat

Alternative toTailscale

Encrypted tunnels between machines, no account or IP needed

  • 8,432 GitHub stars
  • BSD-3-ClauseLicence BSD-3-Clause

MariaDB Server

Alternative toAmazon RDS for MySQL

Open source MySQL-compatible relational database server

  • 8,393 GitHub stars
  • GPL-2.0Licence GPL-2.0
  • #Database

agentic-inbox

Alternative toSuperhuman

Self-hosted email client with AI agent on Cloudflare Workers

  • 8,127 GitHub stars
  • Apache-2.0Licence Apache-2.0

openrig

Alternative toConductor

Coordinate Claude Code and Codex as one persistent agent team.

  • 8,072 GitHub stars
  • Apache-2.0Licence Apache-2.0

repowise

Alternative toCodeScene

Codebase intelligence: MCP tools for agents, health scores for teams.

  • 7,869 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Claude-Red

Alternative toNodeZero by Horizon3.ai

78 offensive security skills for Claude, drop-in and MIT licensed

  • 7,813 GitHub stars
  • MITLicence MIT

weathernext

Alternative toTomorrow.io

AI-powered weather forecasting from Google DeepMind

  • 7,718 GitHub stars
  • Apache-2.0Licence Apache-2.0

GPT‑NeoX

Alternative toDatabricks (with MosaicML)

EleutherAI's framework for training LLMs at research scale

  • 7,473 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM
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