10+ Best Open Source Projects using Poetry in 2026

Parlant

Build compliant customer-facing AI agents with control

Stars
18,055
Forks
1,529
Last commit
11 hours ago

Conversational AI engine that keeps agents business-aligned and compliant as you scale. Build adaptive agents through feedback-driven development.

Open Source Alternative to:

Voiceflow

Supabase

Open-source Firebase alternative for modern app development

Stars
101,892
Forks
12,305
Last commit
8 hours ago

A powerful, scalable backend platform offering real-time databases, authentication, storage, and serverless functions for rapid development.

Open Source Alternative to:

Firebase

OpenHands

Open-source platform for scalable cloud coding agents

Stars
72,663
Forks
9,190
Last commit
8 hours ago

Build and deploy autonomous coding agents at scale with model-agnostic, secure platform. Automate code reviews, testing, documentation, and complex refactoring tasks.

Open Source Alternative to:

Claude Code

Daytona

Lightning-fast AI code execution in secure sandboxes

Stars
72,378
Forks
5,539
Last commit
9 hours ago

Execute AI-generated code safely with 90ms sandbox creation, isolated environments, and enterprise-grade security. Perfect for AI agents and development workflows.

Open Source Alternative to:

Modal

OpenBB

AI-powered research and analytics workspace

Stars
67,052
Forks
6,713
Last commit
9 hours ago

Integrate, visualize, and analyze data in one place with OpenBB's AI-driven platform for financial research and analytics.

Open Source Alternative to:

Power BI

Mem0

Give your AI apps persistent memory and intelligence

Stars
54,818
Forks
6,206
Last commit
8 hours ago

Universal memory layer for LLM applications that learns from user interactions, reduces token costs by 80%, and delivers personalized AI experiences.

Open Source Alternative to:

LangChain

LiteLLM

Unified gateway for 100+ LLMs with spend tracking

Stars
45,751
Forks
7,780
Last commit
8 hours ago

Manage authentication, load balancing, and cost tracking across 100+ LLMs through a single OpenAI-compatible gateway. Trusted by Netflix and enterprise teams.

Open Source Alternative to:

LangChain

CopilotKit

Build AI copilots for your product in hours, not months

Stars
30,619
Forks
3,951
Last commit
8 hours ago

Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.

Open Source Alternative to:

LangChain

Redash

Connect, query, visualize, and share your data

Stars
28,556
Forks
4,587
Last commit
5 days ago

Redash is an open-source data visualization and analytics platform that helps teams make sense of their data through SQL queries and interactive dashboards.

Open Source Alternative to:

Power BI

Letta

Build and deploy AI agents with advanced memory

Stars
22,440
Forks
2,386
Last commit
23 days ago

Letta is an open-source platform for creating AI agents with built-in memory, reasoning, and support for thousands of tools.

Open Source Alternative to:

Perplexity

Airbyte

Open-source data integration for modern teams

Stars
21,193
Forks
5,158
Last commit
8 hours ago

Seamlessly sync data from any source to any destination with a flexible, extensible platform that grows with your data needs.

Open Source Alternative to:

Supermetrics

Saleor

Flexible e-commerce platform for modern businesses

Stars
22,871
Forks
6,014
Last commit
10 hours ago

Headless, API-first e-commerce solution with powerful features for customization, scalability, and seamless integration across channels.

Open Source Alternative to:

Shopify

Neon Postgres

Serverless Postgres for modern applications

Stars
21,733
Forks
945
Last commit
1 month ago

Cloud-native, auto-scaling Postgres with instant branching, bottomless storage, and pay-per-use pricing

Open Source Alternative to:

Supabase

ActivityWatch

Track time automatically with privacy-first design

Stars
17,459
Forks
888
Last commit
4 days ago

Free open-source time tracker that automatically monitors your device usage. Cross-platform support with local data storage for complete privacy.

Open Source Alternative to:

WakaTime

Keep

Unify, automate, and elevate your monitoring workflow

Stars
11,784
Forks
1,349
Last commit
3 days ago

Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.

Open Source Alternative to:

Opsgenie

E2B

Secure cloud environments for enterprise AI agents

Stars
12,063
Forks
888
Last commit
1 day ago

Provide AI agents with secure, isolated sandboxes featuring real-world tools, code execution, and enterprise-grade security. Trusted by 88% of Fortune 100 companies.

Open Source Alternative to:

Modal

Convex

Build full-stack apps with TypeScript and real-time sync

Stars
11,516
Forks
704
Last commit
9 hours ago

Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.

Open Source Alternative to:

Supabase

Hyprnote

AI-powered notepad that transforms meeting notes into clear summaries

Stars
8,375
Forks
598
Last commit
2 days ago

An intelligent note-taking assistant that combines your quick notes with meeting transcripts to create comprehensive, organized meeting summaries automatically.

Open Source Alternative to:

Otter.ai

Mage

Magical data pipeline tool for seamless transformations

Stars
8,714
Forks
961
Last commit
11 days ago

Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.

Open Source Alternative to:

Pipedream

Highlight

Real-time observability for modern web applications

Stars
9,251
Forks
544
Last commit
20 days ago

Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

Open Source Alternative to:

DataDog

OpenLLMetry

Monitor LLM performance with open-source observability

Stars
7,070
Forks
951
Last commit
20 hours ago

Open-source observability platform for LLMs using OpenTelemetry. Monitor performance, track costs, and debug AI applications with just 2 lines of code.

Open Source Alternative to:

LangSmith

GrowthBook

Open-source A/B testing and feature flagging platform

Stars
7,726
Forks
739
Last commit
8 hours ago

Powerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.

Open Source Alternative to:

LaunchDarkly

Hatchet

Effortless CI/CD for modern cloud applications

Stars
7,073
Forks
368
Last commit
8 hours ago

Durable orchestration platform for managing AI agents, scheduling background tasks, and running mission-critical workflows.

Open Source Alternative to:

Make

Helicone

Build reliable AI apps with comprehensive observability

Stars
5,609
Forks
561
Last commit
4 days ago

Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.

Open Source Alternative to:

DataDog

Flagsmith

Feature flags and remote config for rapid deployment

Stars
6,333
Forks
516
Last commit
9 hours ago

Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.

Open Source Alternative to:

LaunchDarkly

Agenta

Build reliable LLM apps with integrated workflows

Stars
4,096
Forks
517
Last commit
8 hours ago

Open-source LLMOps platform providing prompt management, evaluation, and observability tools for building robust AI applications with team collaboration.

Open Source Alternative to:

LangSmith

OpenMeter

Real-time usage metering and billing for AI companies

Stars
1,946
Forks
167
Last commit
9 hours ago

Open source billing platform that turns events into revenue with real-time metering, usage limits, and flexible pricing. Integrates with Stripe, CRMs, and payment providers.

Open Source Alternative to:

Stripe Billing

Hercules

Open-source vertical testing agent for effortless QA

Stars
998
Forks
151
Last commit
12 days ago

Hercules is an AI-powered testing agent that enables zero-code, zero-maintenance automated testing for web and API scenarios.

Bacalhau

Revolutionizing data processing with Compute Over Data

Stars
858
Forks
100
Last commit
7 days ago

Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.

Midori Browser

Fast, secure, and privacy-focused web browsing

Stars
297
Forks
19
Last commit
22 hours ago

Midori Browser is a lightweight, fast, and secure browser that protects users' privacy, available for Windows, Linux, and Android.

Open Source Alternative to:

Firefox

Corpus

Ask once, get answers across every document

Stars
13
Forks
0
Last commit
16 days ago

Upload files, ask questions, and get AI‑backed answers with citations. Compare, synthesize, and export results for teams and polished outputs.

Open Source Alternative to:

Hebbia

Parlant

Build compliant customer-facing AI agents with control

Stars
18,055
Forks
1,529
Last commit
11 hours ago

Conversational AI engine that keeps agents business-aligned and compliant as you scale. Build adaptive agents through feedback-driven development.

Open Source Alternative to:

Voiceflow

Supabase

Open-source Firebase alternative for modern app development

Stars
101,892
Forks
12,305
Last commit
8 hours ago

A powerful, scalable backend platform offering real-time databases, authentication, storage, and serverless functions for rapid development.

Open Source Alternative to:

Firebase

OpenHands

Open-source platform for scalable cloud coding agents

Stars
72,663
Forks
9,190
Last commit
8 hours ago

Build and deploy autonomous coding agents at scale with model-agnostic, secure platform. Automate code reviews, testing, documentation, and complex refactoring tasks.

Open Source Alternative to:

Claude Code

Daytona

Lightning-fast AI code execution in secure sandboxes

Stars
72,378
Forks
5,539
Last commit
9 hours ago

Execute AI-generated code safely with 90ms sandbox creation, isolated environments, and enterprise-grade security. Perfect for AI agents and development workflows.

Open Source Alternative to:

Modal

OpenBB

AI-powered research and analytics workspace

Stars
67,052
Forks
6,713
Last commit
9 hours ago

Integrate, visualize, and analyze data in one place with OpenBB's AI-driven platform for financial research and analytics.

Open Source Alternative to:

Power BI

Mem0

Give your AI apps persistent memory and intelligence

Stars
54,818
Forks
6,206
Last commit
8 hours ago

Universal memory layer for LLM applications that learns from user interactions, reduces token costs by 80%, and delivers personalized AI experiences.

Open Source Alternative to:

LangChain

LiteLLM

Unified gateway for 100+ LLMs with spend tracking

Stars
45,751
Forks
7,780
Last commit
8 hours ago

Manage authentication, load balancing, and cost tracking across 100+ LLMs through a single OpenAI-compatible gateway. Trusted by Netflix and enterprise teams.

Open Source Alternative to:

LangChain

CopilotKit

Build AI copilots for your product in hours, not months

Stars
30,619
Forks
3,951
Last commit
8 hours ago

Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.

Open Source Alternative to:

LangChain

Redash

Connect, query, visualize, and share your data

Stars
28,556
Forks
4,587
Last commit
5 days ago

Redash is an open-source data visualization and analytics platform that helps teams make sense of their data through SQL queries and interactive dashboards.

Open Source Alternative to:

Power BI

Letta

Build and deploy AI agents with advanced memory

Stars
22,440
Forks
2,386
Last commit
23 days ago

Letta is an open-source platform for creating AI agents with built-in memory, reasoning, and support for thousands of tools.

Open Source Alternative to:

Perplexity

Airbyte

Open-source data integration for modern teams

Stars
21,193
Forks
5,158
Last commit
8 hours ago

Seamlessly sync data from any source to any destination with a flexible, extensible platform that grows with your data needs.

Open Source Alternative to:

Supermetrics

Saleor

Flexible e-commerce platform for modern businesses

Stars
22,871
Forks
6,014
Last commit
10 hours ago

Headless, API-first e-commerce solution with powerful features for customization, scalability, and seamless integration across channels.

Open Source Alternative to:

Shopify

Neon Postgres

Serverless Postgres for modern applications

Stars
21,733
Forks
945
Last commit
1 month ago

Cloud-native, auto-scaling Postgres with instant branching, bottomless storage, and pay-per-use pricing

Open Source Alternative to:

Supabase

ActivityWatch

Track time automatically with privacy-first design

Stars
17,459
Forks
888
Last commit
4 days ago

Free open-source time tracker that automatically monitors your device usage. Cross-platform support with local data storage for complete privacy.

Open Source Alternative to:

WakaTime

Keep

Unify, automate, and elevate your monitoring workflow

Stars
11,784
Forks
1,349
Last commit
3 days ago

Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.

Open Source Alternative to:

Opsgenie

E2B

Secure cloud environments for enterprise AI agents

Stars
12,063
Forks
888
Last commit
1 day ago

Provide AI agents with secure, isolated sandboxes featuring real-world tools, code execution, and enterprise-grade security. Trusted by 88% of Fortune 100 companies.

Open Source Alternative to:

Modal

Convex

Build full-stack apps with TypeScript and real-time sync

Stars
11,516
Forks
704
Last commit
9 hours ago

Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.

Open Source Alternative to:

Supabase

Hyprnote

AI-powered notepad that transforms meeting notes into clear summaries

Stars
8,375
Forks
598
Last commit
2 days ago

An intelligent note-taking assistant that combines your quick notes with meeting transcripts to create comprehensive, organized meeting summaries automatically.

Open Source Alternative to:

Otter.ai

Mage

Magical data pipeline tool for seamless transformations

Stars
8,714
Forks
961
Last commit
11 days ago

Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.

Open Source Alternative to:

Pipedream

Highlight

Real-time observability for modern web applications

Stars
9,251
Forks
544
Last commit
20 days ago

Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

Open Source Alternative to:

DataDog

OpenLLMetry

Monitor LLM performance with open-source observability

Stars
7,070
Forks
951
Last commit
20 hours ago

Open-source observability platform for LLMs using OpenTelemetry. Monitor performance, track costs, and debug AI applications with just 2 lines of code.

Open Source Alternative to:

LangSmith

GrowthBook

Open-source A/B testing and feature flagging platform

Stars
7,726
Forks
739
Last commit
8 hours ago

Powerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.

Open Source Alternative to:

LaunchDarkly

Hatchet

Effortless CI/CD for modern cloud applications

Stars
7,073
Forks
368
Last commit
8 hours ago

Durable orchestration platform for managing AI agents, scheduling background tasks, and running mission-critical workflows.

Open Source Alternative to:

Make

Helicone

Build reliable AI apps with comprehensive observability

Stars
5,609
Forks
561
Last commit
4 days ago

Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.

Open Source Alternative to:

DataDog

Flagsmith

Feature flags and remote config for rapid deployment

Stars
6,333
Forks
516
Last commit
9 hours ago

Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.

Open Source Alternative to:

LaunchDarkly

Agenta

Build reliable LLM apps with integrated workflows

Stars
4,096
Forks
517
Last commit
8 hours ago

Open-source LLMOps platform providing prompt management, evaluation, and observability tools for building robust AI applications with team collaboration.

Open Source Alternative to:

LangSmith

OpenMeter

Real-time usage metering and billing for AI companies

Stars
1,946
Forks
167
Last commit
9 hours ago

Open source billing platform that turns events into revenue with real-time metering, usage limits, and flexible pricing. Integrates with Stripe, CRMs, and payment providers.

Open Source Alternative to:

Stripe Billing

Hercules

Open-source vertical testing agent for effortless QA

Stars
998
Forks
151
Last commit
12 days ago

Hercules is an AI-powered testing agent that enables zero-code, zero-maintenance automated testing for web and API scenarios.

Bacalhau

Revolutionizing data processing with Compute Over Data

Stars
858
Forks
100
Last commit
7 days ago

Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.

Midori Browser

Fast, secure, and privacy-focused web browsing

Stars
297
Forks
19
Last commit
22 hours ago

Midori Browser is a lightweight, fast, and secure browser that protects users' privacy, available for Windows, Linux, and Android.

Open Source Alternative to:

Firefox

Corpus

Ask once, get answers across every document

Stars
13
Forks
0
Last commit
16 days ago

Upload files, ask questions, and get AI‑backed answers with citations. Compare, synthesize, and export results for teams and polished outputs.

Open Source Alternative to:

Hebbia

Open Source Projects using Poetry

A curated collection of the 31 best open source software using Poetry. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Browse tools using Poetry by category

AI Agent Platforms using Poetry

AI API Key Protection Tools using Poetry

AI Chat Interfaces using Poetry

AI Coding Agents using Poetry

AI Development Platforms using Poetry

AI Gateways using Poetry

AI Integration Platforms using Poetry

Browse tools using Poetry by category

AI Agent Platforms using Poetry

AI API Key Protection Tools using Poetry

AI Chat Interfaces using Poetry

AI Coding Agents using Poetry

AI Development Platforms using Poetry

AI Gateways using Poetry

AI Integration Platforms using Poetry

Automated Testing Tools using Poetry

Backend-as-a-Service (BaaS) Tools using Poetry

BI Platforms using Poetry

Change Data Capture (CDC) Tools using Poetry

CI/CD Platforms using Poetry

Cloud Cost & Optimization Tools using Poetry

Data Platforms for AI using Poetry

Data Visualization Tools using Poetry

Development Environments using Poetry

Distributed Compute Tools using Poetry

Documentation & Knowledge Base Tools using Poetry

Error Tracking Tools using Poetry

ETL & Data Integration Tools using Poetry

Feature Flag Tools using Poetry

Financial Data Platforms using Poetry

Financial Planning & Analysis (FP&A) Tools using Poetry

GPU & Compute Platforms using Poetry

Headless Commerce Tools using Poetry

Job Scheduling Tools using Poetry

LLM Application Frameworks using Poetry

Log Management Tools using Poetry

Low-Code/No-Code Platforms using Poetry

Machine Learning Infrastructure Tools using Poetry

Monitoring & Observability Tools using Poetry

Note-Taking Tools using Poetry

PaaS & Deployment Tools using Poetry

Performance Monitoring (APM) Tools using Poetry

Product Analytics using Poetry

Productivity & Utilities using Poetry

Relational Databases (SQL) using Poetry

Subscription & Billing Management Tools using Poetry

Time Tracking Tools using Poetry

Web Browsers using Poetry

Workflow Automation Tools using Poetry

Workflow Orchestration Tools using Poetry