Developer Tools·Standings

LLM Application Development Frameworks — page 2

• 49 platforms
• 21 with a free tier
• Checked 9 Oct 2026
• Showing 26–49

1. #PlatformSignalPlugs inPrice
2. 26
   P

   PraisonAIpraison.ai

   A free framework for building AI applications on Linux, macOS, and Windows.

   5.1 APIOpenFree Free tier
   →
3. 27
   P

   PydanticAIai.pydantic.dev

   A free framework for building language-model applications on Linux, macOS, and Windows.

   5.1 APIOpenFree Free tier
   →
4. 28
   S

   smolagentshuggingface.co
   5.1 APIOpenFree Free tier
   →
5. 29
   T

   TypeChatmicrosoft.github.io
   5.1 APIOpenFree Free tier
   →
6. 30
   M

   Mastramastra.ai

   A web-based freemium framework with a free plan and paid plans from $250/month.

   4.9 APIOpenFree Free tier
   →
7. 31
   PF

   Prompt flowmicrosoft.github.io

   A free Python framework for web-based agent and RAG application workflows.

   4.9 APIOpenFree Free tier
   →
8. 32
   B

   BAMLboundaryml.com

   A free web framework for agent and tool use, with RAG support.

   4.8 APIOpenFree Free tier
   →
9. 33
   R

   Ragnaragna.chat
   4.8 APIOpenFree Free tier
   →
10. 34
    A

    Agnoagno.com
    4.8 APIOpenFree Free tier
    →
11. 35
    E

    Einocloudwego.io

    A free, open-source Linux framework with RAG, agents, tools, and workflow graphs.

    4.8 APIOpenFree Free tier
    →
12. 36
    G

    Guidancegithub.com
    4.8 APIOpenFree Free tier
    →
13. 37
    PF

    Pocket Flowthe-pocket.github.io

    A free, open-source multi-language framework with agents, tools, RAG, and workflow graphs.

    4.8 APIOpenFree Free tier
    →
14. 38
    R

    Ragbitsragbits.deepsense.ai

    A free, open-source Python framework with agents, tools, RAG, and prompt optimization.

    4.7 APIOpenFree Free tier
    →
15. 39
    A

    AG2ag2.ai

    A free, self-hostable toolkit for coding agents that can pause for a person’s sign-off.

    4.6 APIOpenFree Free tier
    →
16. 40
    I

    Instructorpython.useinstructor.com
    4.6 APIOpenFree Free tier
    →
17. 41
    L

    LangGraphlangchain.com

    A free framework for building language-model application workflows.

    4.6 APIOpenFree Free tier
    →
18. 42
    M

    MetaGPTgithub.com

    A free framework for building applications with language models.

    4.6 APIOpenFree Free tier
    →
19. 43
    MA

    Microsoft Agent Frameworklearn.microsoft.com

    A free framework for coordinated agents with approvals, tracing, and several deployment options.

    4.6 APIOpenFree Free tier
    →
20. 44
    O

    OrkaJSorkajs.com

    A free, open-source JavaScript framework with agents, tools, RAG, and workflow graphs.

    4.6 APIOpenFree Free tier
    →
21. 45
    SR

    Semantic Routergithub.com
    4.6 APIOpenFree Free tier
    →
22. 46
    SA

    Spring AIspring.io
    4.6 APIOpenFree Free tier
    →
23. 47
    OA

    OpenAI Agents SDKopenai.github.io

    A free, open-source framework for building agent applications on major desktop systems.

    4.3 APIOpenFree —
    →
24. 48
    CA

    CAMEL-AIcamel-ai.org

    An open-source framework for building AI agents.

    3.8 APIOpenFree —
    →
25. 49
    J

    Julepgithub.com

    An open-source Python framework for agent tools, RAG, and workflow graphs.

    3.8 APIOpenFree —
    →

Some top positions on this board can be paid placements, standing where they were sold. The facts on each platform are not for sale. How we rank · Disclosure