Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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SQLAlchemy
The Python SQL toolkit and Object Relational Mapper that gives developers the full power and flexibility of SQL.
Alembic
Database migrations tool for SQLAlchemy with autogenerate and transactional DDL
Effect
A TypeScript library and ecosystem for building robust, type-safe, concurrent applications with a full functional effect system
clickhouse-connect
ClickHouse's official high-performance Python driver, with native Pandas, NumPy, PyArrow, and Superset support
Mastra Core
The TypeScript framework for building AI agents, workflows, and RAG apps with unified access to 40+ LLM providers.
Agents
Persistent, stateful AI agents on Cloudflare Durable Objects with real-time sync
SQLModel
One model for SQLAlchemy and Pydantic, built by the creator of FastAPI to kill duplicate schema code.
Flask-SQLAlchemy
The official SQLAlchemy integration for Flask, adding scoped sessions, multi-database binds, and Flask-aware model conventions.
@trigger.dev/sdk
Official TypeScript SDK for defining and triggering background tasks and AI agent workflows on Trigger.dev
aiomysql
A pure-Python async MySQL and MariaDB driver for asyncio, built on top of PyMySQL.
factory_boy
A versatile test fixtures replacement for Python, providing declarative factories for building complex test objects.
workflow
Durable, resilient workflow execution for TypeScript, with automatic retries, persistence, and built-in observability.
duckdb_engine
A SQLAlchemy dialect that lets existing SQLAlchemy code query and manage DuckDB databases unmodified.
PyAthena
A Python DB API 2.0 (PEP 249) client for Amazon Athena, with SQLAlchemy and pandas integration.
Agent Framework Core
Microsoft's core Python package for building and orchestrating production-grade AI agents