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463 projects, sorted by GitHub stars.

RAGMeUp

Alternative toVectara

Open source RAG framework for any dataset or LLM

  • 678 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Overmind

Alternative toBraintrust

Turn agent production traces into fine-tuned models you own.

  • 669 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

PiG

Alternative toClaude Code

Pi's coding agent, in Go. One binary, no Node.js required.

  • 657 GitHub stars
  • MITLicence MIT

Athena-Public

Alternative toPieces for Developers

Persistent memory for your AI across IDEs

  • 619 GitHub stars
  • MITLicence MIT

Surfpool

Alternative toHelius

Drop-in local Solana test validator with forking support

  • 615 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Testing

token-optimizer-mcp

Alternative toTokenade

Token savings and persistent knowledge graphs for AI coding agents

  • 557 GitHub stars
  • MITLicence MIT

limen

Alternative toAuth0

Composable authentication for modern Go backends

  • 551 GitHub stars
  • MITLicence MIT

Moxin-LLM

Alternative toOpenAI API

Full transparency LLM: open weights, training code, and data

  • 525 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Word Smith

Alternative toScrivener

Long-form writing studio for Obsidian. No cloud, no account.

  • 523 GitHub stars
  • MITLicence MIT

Codegen

Alternative toConductor

AI that reviews your code, fixes bugs, and implements features

  • 518 GitHub stars
  • Apache-2.0Licence Apache-2.0

Billing SDK

Alternative toStripe Billing

Open source React components for SaaS billing flows

  • 508 GitHub stars
  • GPL-3.0Licence GPL-3.0

Void Cloud

Alternative toVercel

Full-stack Vite toolkit with one-command Cloudflare deployment

  • 507 GitHub stars
  • MITLicence MIT
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