Agno
Agent Framework
Full-stack framework for multi-agent systems.
- Founded
- 2022
- Company
- Agno
AgentsPythonOpen Source
AIStackWatch Tools
AI builder tools
A compact catalog of the editors, agent frameworks, model APIs, eval systems, RAG infrastructure, and inference tools that shape the AI builder stack.
AI Coding8
Agent Framework6
LLM API5
Eval Observability4
Vector RAG3
Inference2
Prompt Dev2
Pricing unknown
Aider
AI Coding
AI pair programming in your terminal.
- Founded
- 2023
- Company
- Aider AI
Open SourceCLIGit
Anthropic API
LLM API
Claude via API, for developers and enterprises.
- Founded
- 2023
- Company
- Anthropic
APIFoundation ModelUsage Based
Arize AX
Eval Observability
AI observability and LLM evaluation.
- Founded
- 2020
- Company
- Arize
ObservabilityEvalsEnterprise
AutoGen
Agent Framework
Programming framework for agentic AI from Microsoft.
- Founded
- 2023
- Company
- Microsoft
AgentsMulti AgentOpen Source
Braintrust
Eval Observability
The enterprise stack for building AI products.
- Founded
- 2023
- Company
- Braintrust
EvalsObservabilityPrompt Management
Claude Code
AI Coding
Anthropic's agentic coding tool in your terminal.
- Founded
- 2025
- Company
- Anthropic
CLIAgenticTerminal
Cline
AI Coding
Open-source autonomous coding agent for VS Code.
- Founded
- 2024
- Company
- Cline Bot
Open SourceVS Code ExtensionAgentic
Continue
AI Coding
Open-source AI code assistant for your IDE.
- Founded
- 2023
- Company
- Continue Dev
Open SourceVS Code ExtensionJetbrains
CrewAI
Agent Framework
Framework and platform for multi-agent automations.
- Founded
- 2023
- Company
- Crewai
AgentsMulti AgentPython
Cursor
AI Coding
The AI code editor.
- Founded
- 2022
- Company
- Anysphere
EditorVS Code ForkAgentic
DeepSeek API
LLM API
Open-weight frontier models via API.
- Founded
- 2023
- Company
- Deepseek
APIFoundation ModelOpen Weights
Fireworks AI
Inference
Fast, affordable inference for production AI.
- Founded
- 2023
- Company
- Fireworks AI
InferenceAPIOpen Weights
GitHub Copilot
AI Coding
The AI peer programmer from GitHub.
- Founded
- 2021
- Company
- Github
Editor PluginEnterpriseAutocomplete
Google AI Studio
LLM API
Build with Gemini.
- Founded
- 2023
- Company
- Google Deepmind
APIFoundation ModelGemini
Helicone
Eval Observability
The open-source LLM observability platform.
- Founded
- 2023
- Company
- Helicone
ObservabilityEvalsOpen Source
Inngest AgentKit
Agent Framework
TypeScript framework for deterministic AI agents.
- Founded
- 2024
- Company
- Inngest
AgentsTypeScriptDurable
LangGraph
Agent Framework
Build controllable, stateful agents.
- Founded
- 2024
- Company
- Langchain
AgentsStatefulPython
LangSmith
Eval Observability
Debug, test, and monitor LLM applications.
- Founded
- 2023
- Company
- Langchain
ObservabilityEvalsTracing
Latitude
Prompt Dev
Open-source prompt engineering platform.
- Founded
- 2023
- Company
- Latitude
Prompt ManagementOpen SourceEvals
Mastra
Agent Framework
The TypeScript agent framework.
- Founded
- 2024
- Company
- Mastra AI
AgentsTypeScriptOpen Source
OpenAI API
LLM API
APIs for GPT, o-series reasoning, and more.
- Founded
- 2020
- Company
- Openai
APIFoundation ModelUsage Based
Pinecone
Vector RAG
The vector database for AI applications.
- Founded
- 2021
- Company
- Pinecone
Vector DBServerlessRAG
PromptLayer
Prompt Dev
The platform for prompt engineers.
- Founded
- 2022
- Company
- Promptlayer
Prompt ManagementObservabilityEvals
Together AI
Inference
Fast inference for open-source models.
- Founded
- 2023
- Company
- Together AI
InferenceGPU CloudOpen Weights
turbopuffer
Vector RAG
Serverless vector and full-text search on object storage.
- Founded
- 2023
- Company
- Turbopuffer
Vector DBServerlessRAG
Weaviate
Vector RAG
Open-source AI-native vector database.
- Founded
- 2019
- Company
- Weaviate
Vector DBOpen SourceRAG
Windsurf
AI Coding
The agentic IDE that keeps developers in flow.
- Founded
- 2024
- Company
- Codeium
EditorVS Code ForkAgentic
xAI API
LLM API
Grok models via API.
- Founded
- 2024
- Company
- Xai
APIFoundation ModelGrok
Zed
AI Coding
The fast, collaborative code editor.
- Founded
- 2023
- Company
- Zed Industries
EditorRustOpen Source