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Open Source

Flappy

Production-Ready LLM Agent SDK for Every Developer

Our verdict

Not reviewed yet

We have not reviewed Flappy yet

No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.

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From the listing

About Flappy

Flappy is a community-developed Rust SDK for building and orchestrating LLM agents. It provides tools to define agent workflows and manage multi-step LLM interactions, aiming for production readiness. The SDK is open source and designed for developers who want to integrate LLM capabilities into Rust applications.

Best for

Rust developers building production LLM agent systems

Use cases

  • Building autonomous LLM agents with structured workflows
  • Orchestrating multi-step LLM calls with state management
  • Integrating LLM reasoning into Rust-based backend services

Notes

306 stars on GitHub. Last updated 2024-04-19. Licensed Apache-2.0.

Pros

  • Written in Rust, offering performance and memory safety
  • Open source with a permissive license and community contributions
  • Focused on production-grade agent orchestration

Cons

  • Small community (306 GitHub stars) limits support and ecosystem
  • Requires Rust proficiency, narrowing the developer audience
  • Fewer integrations and examples compared to Python-based agent SDKs

Key facts

What we have checked

GitHub stars
304
Checked github api via nightly crawl, recovered from git history 20e874270887c1008f860ee0198e461a23c9e438

Each value shows when we last confirmed it and where it came from. Values we have not confirmed are left out, never guessed.

Stars and usage

How Flappy is growing

GitHub stars

306 to 304

stars. 12 July 2026 to 26 Sept 2026, 2 readings.

Source: github api via nightly crawl, recovered from git history 20e874270887c1008f860ee0198e461a23c9e438. Checked .

Alternatives

Alternatives to Flappy

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AgnoThis is an alternative to itOpen sourceNamed in the listingNot dated
FlowiseThis is an alternative to itOpen sourceNamed in the listingNot dated
LangflowThis is an alternative to itOpen sourceNamed in the listingNot dated
PhidataThis is an alternative to itOpen sourceNamed in the listingNot dated

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Sources

Where this comes from

  • github api via nightly crawl, recovered from git history 20e874270887c1008f860ee0198e461a23c9e438Registry

    Checked · GitHub stars

A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.

Changelog

What changed

No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.

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