Filtered lists / Open source stacks
Open source stacks
Listings with a substantial client or runtime under a public license. Cloud services may still be proprietary; check the license field.
Inclusion follows the query’s structured fields; this is not a score. 58 matching listings.
- Agent Development Kit
Google open-source SDK for agents on the Gemini stack.
- Agno
Open-source Python framework for multi-agent systems.
- Aider
Open-source CLI coding agent with git-aware edits and commits.
- Cline
Open-source VS Code coding agent with visible tool approvals.
- Cloudflare Agents
Cloudflare SDK for stateful agents on Durable Objects.
- Coder
Self-hosted remote workspaces defined with Terraform.
- Context7
Current library documentation delivered to coding agents.
- Continue
Open-source IDE agent for VS Code and JetBrains.
- CrewAI
Python multi-agent framework with roles, tasks, and a hosted platform.
- Crush
Charm's open-source terminal coding agent.
- Dagger
Programmable containerized CI/CD engine for agent workflows.
- Daytona
Persistent development sandboxes for AI agents.
- DeepEval
Pytest-oriented evaluation library for LLM systems.
- Devbox
Nix-powered reproducible development shells for teams and agents.
- DSPy
Stanford framework for programming language-model behavior.
- E2B
Firecracker microVM sandbox API for AI-generated code.
- Fern
OpenAPI-to-SDK and documentation generation platform.
- Firecracker
AWS open-source microVM monitor used by sandbox products.
- Gemini CLI
Google open-source terminal coding agent for Gemini models.
- Giskard
Open testing and red-teaming platform for AI applications.
- Gitpod
Automated development environments with a self-hosting path.
- Goose
Block open-source local-first agent with repeatable recipes.
- Hatchet
Open task platform for durable, observable background jobs.
- Haystack
deepset open Python framework for pipelines, RAG, and agents.
- Helicone
Open LLM gateway with logs, caching, and spend controls.
- Inngest
Event-driven durable functions for product and agent workloads.
- Inspect
UK AISI open framework for evaluating language-model agents.
- Kilo
Open IDE and CLI agent with a multi-model gateway.
- Langfuse
Self-hostable open-source LLM and agent observability.
- LangGraph
Stateful graph runtime for agents from the LangChain project.
- LangWatch
LLM observability and evaluation platform with open components.
- Letta
Stateful agent framework with long-term memory.
- LlamaIndex
Data and retrieval framework with workflow and agent abstractions.
- Mastra
TypeScript agent framework with workflows and evaluation hooks.
- Microsoft Agent Framework
Microsoft open-source SDK for multi-agent applications.
- n8n
Open workflow automation platform with agent and LLM nodes.
- OpenAI Agents SDK
OpenAI SDK for Python and TypeScript agent loops.
- OpenCode
Open terminal coding agent with configurable model providers.
- OpenHands
Open-source software-agent runtime with terminal, editor, and browser.
- Phoenix
Arize open-source observability and evaluation for LLM applications.
- Plandex
Open terminal coding agent for planning large diffs.
- Prefect
Python workflow orchestrator for scheduled agent jobs.
- Promptfoo
Open evaluation and red-team framework for LLM applications.
- Pydantic AI
Typed Python agent framework from the Pydantic team.
- Qodo
Code generation and review agents with test-aware workflows.
- Ragas
Open evaluation metrics for RAG and LLM applications.
- Roo Code
Open-source Cline fork with modes and automation.
- Semgrep
Teachably fast static analysis with optional AI-assisted rules.
- smolagents
Hugging Face small code-agent library with a code-first interface.
- Spec Kit
GitHub toolkit for repository-native, spec-driven agent work.
- Steel
Open-source browser sandbox API for AI agents.
- SWE-agent
Princeton open-source agent for SWE-bench-style issue patches.
- Tabby
Self-hosted coding assistant for internal model endpoints.
- Temporal
Durable workflow engine for sequencing long-running jobs.
- Trigger.dev
TypeScript background jobs for long-running application tasks.
- Vercel AI SDK
TypeScript SDK for streaming model interfaces and tool-calling apps.
- Warp
Terminal, multi-model agents, and early-access factory workflows.
- Zed
Open Rust editor with integrated agent panels.