Open Source Projects using Python
A curated collection of the 287 best open source software using Python. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
One interface for all your AI models and conversations
Stars
42,234Last commit
6 hours agoLicense
MIT
Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
Open Source Alternative to:
Self-hosted media server for movies, music, and more
Stars
55,952Last commit
7 hours agoLicense
GPL-2.0
Free, open source media server that lets you collect, manage, and stream your personal library to any device, with no fees, tracking, or vendor lock-in.
Open Source Alternative to:
Self-hosted AI runtime for text, voice, vision, and agents
Stars
48,580Last commit
8 hours agoLicense
MIT
Run LLMs, speech, image generation, and autonomous agents on your own hardware with an OpenAI-compatible API and 60+ swappable backends.
Open Source Alternative to:
Encrypted note-taking that syncs across all your devices
Stars
56,009Last commit
9 hours agoLicense
Unknown
Cross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.
Open Source Alternative to:
Open-source UI design and prototyping for product teams
Stars
58,893Last commit
7 hours agoLicense
MPL-2.0
Design, prototype, and hand off to developers in one platform. Supports design systems, tokens, flexible layouts, and AI workflows with real CSS/HTML output.
Open Source Alternative to:
AI pair programmer that works inside your terminal
Stars
48,328Last commit
3 months agoLicense
Apache-2.0
Terminal-based AI coding tool that lets you edit existing codebases or start new projects using LLMs like Claude, GPT, and DeepSeek.
Open Source Alternative to:
Lightning-fast analytics for massive datasets
Stars
49,340Last commit
6 hours agoLicense
Apache-2.0
High-performance columnar OLAP database system for real-time analytics on big data, with SQL support and linear scalability.
Open Source Alternative to:
Privacy-focused browser with powerful customization
Stars
43,980Last commit
6 hours agoLicense
MPL-2.0
A Firefox-based browser offering enhanced privacy, split views, and extensive customization options for a personalized browsing experience.
Open Source Alternative to:
Run AI models locally or connect to cloud, privately
Stars
44,052Last commit
10 hours agoLicense
Apache-2.0
Jan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off third-party servers.
Open Source Alternative to:
AI-powered research notebook with full privacy control
Stars
37,067Last commit
3 days agoLicense
MIT
Combines AI summarization, podcast generation, and multi-format content ingestion for researchers and students who want to keep their data private.
Open Source Alternative to:
Model-agnostic platform for building intelligent AI agents
Stars
41,785Last commit
6 hours agoLicense
Apache-2.0
Open-source platform that enables developers to create, deploy and monitor AI agents with built-in memory, knowledge integration, and external tool connectivity.
Open Source Alternative to:
Effortlessly organize your digital documents
Stars
44,412Last commit
6 hours agoLicense
GPL-3.0
A powerful open-source solution for managing, organizing, and searching your digital documents with ease and efficiency.
Open Source Alternative to:
Privacy-first knowledge management with block-level linking
Stars
45,890Last commit
7 hours agoLicense
AGPL-3.0
Personal knowledge management system with WYSIWYG block editing, bidirectional links, spaced repetition flashcards, a relational database, and end-to-end encrypted sync.
Open Source Alternative to:
High-performance vector database for GenAI applications
Stars
45,698Last commit
7 hours agoLicense
Apache-2.0
Open-source vector database optimized for similarity search, scaling to billions of vectors with minimal performance loss
Open Source Alternative to:
Build AI copilots for your product in hours, not months
Stars
36,849Last commit
6 hours agoLicense
MIT
Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.
Open Source Alternative to:
Comprehensive business management, tailored for you
Stars
38,271Last commit
7 hours agoLicense
GPL-3.0
Open-source ERP solution offering modules for accounting, inventory, HR, CRM, and more. Customizable and scalable for businesses of all sizes.
Open Source Alternative to:
Open-source coding agent for your IDE and terminal
Stars
35,545Last commit
17 hours agoLicense
Apache-2.0
Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.
Open Source Alternative to:
Empower your team to build custom internal tools rapidly
Stars
40,708Last commit
7 hours agoLicense
Apache-2.0
Low-code platform for creating powerful internal tools and dashboards with drag-and-drop ease, robust integrations, and customizable workflows.
Open Source Alternative to:
Team chat, project management, and AI agents in one place
Stars
28,605Last commit
6 hours agoLicense
Apache-2.0
Workspace that combines team chat, project planning, and git management with AI agents that collaborate alongside your team on shared context.
Open Source Alternative to:
Open-source financial terminal for data-driven insights
Stars
30,393Last commit
14 hours agoLicense
AGPL-3.0
Comprehensive financial data platform offering economic insights, market analysis, and portfolio management tools
Open Source Alternative to:
Unlock Product Insights with Open-Source Analytics
Stars
37,777Last commit
6 hours agoLicense
MIT
All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.
Open Source Alternative to:
Real-time error tracking and performance monitoring
Stars
44,575Last commit
6 hours agoLicense
Unknown
Detect, diagnose, and resolve software issues quickly with powerful error tracking, performance monitoring, and release management.
Open Source Alternative to:
Unified AI-powered enterprise search across company data
Stars
31,668Last commit
6 hours agoLicense
MIT
An open-source platform that connects to 40+ apps to provide intelligent search and AI assistance across all company information
Open Source Alternative to:
AI coding agent and CLI for complex terminal workflows
Stars
25,695Last commit
23 hours agoLicense
Apache-2.0
Terminal-based coding agent powered by Grok 4.5 that plans, builds, tests, and deploys across any codebase with parallel subagents and plugin support.
Open Source Alternative to:
AI second brain for research, automation, and personal agents
Stars
36,562Last commit
18 days agoLicense
AGPL-3.0
Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.
Open Source Alternative to:
Build powerful AI knowledge bases with ease
Stars
29,389Last commit
12 hours agoLicense
Unknown
FastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.
Open Source Alternative to:
Secure authentication and access control made simple
Stars
36,283Last commit
7 hours agoLicense
Apache-2.0
Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.
Open Source Alternative to:
AI coding agent for VS Code, JetBrains, CLI, and Cloud
Stars
26,930Last commit
6 hours agoLicense
MIT
Open source AI coding agent with 500+ models, bring-your-own-key support, and specialized modes for writing, debugging, and planning code across IDEs and CLI.
Open Source Alternative to:
Local AI meeting transcription with zero data leaving your device
Stars
29,520Last commit
3 months agoLicense
MIT
Records, transcribes, and summarizes meetings entirely on your device using local AI. No bots, no cloud uploads, GDPR and HIPAA compliant by design.
Open Source Alternative to:
AI-powered code completion for seamless development
Stars
33,829Last commit
2 months agoLicense
Apache-2.0
Self-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.
Open Source Alternative to:
Open-source observability platform for cloud-native apps
Stars
31,881Last commit
6 hours agoLicense
MIT
Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.
Open Source Alternative to:
Fast, scalable vector database for AI applications
Stars
34,062Last commit
8 hours agoLicense
Apache-2.0
Qdrant is an open-source vector database that provides high-performance similarity search for AI and machine learning applications.
Open Source Alternative to:
Advanced vulnerability detection and management platform
Stars
30,602Last commit
2 days agoLicense
MIT
Monitor infrastructure for exploitable vulnerabilities with real-time detection, automated workflows, and zero false positives.
Open Source Alternative to:
Open-source vector database for AI search and retrieval
Stars
29,086Last commit
6 hours agoLicense
Apache-2.0
Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.
Open Source Alternative to:
Secure access management for modern IT infrastructure
Stars
31,404Last commit
12 hours agoLicense
GPL-3.0
Open-source privileged access management solution offering secure, browser-based access to SSH, RDP, Kubernetes, databases and remote applications.
Open Source Alternative to:
Open source infrastructure as code tool
Stars
29,836Last commit
9 hours agoLicense
MPL-2.0
A community-driven, truly open-source fork of Terraform for managing cloud infrastructure through code.
Open Source Alternative to:
Blazing-fast in-memory data store for modern applications
Stars
31,012Last commit
6 hours agoLicense
Unknown
Dragonfly is a high-performance, Redis-compatible in-memory data store that delivers up to 25x more throughput and 80% lower costs than legacy solutions.
Open Source Alternative to:
Full-stack Python platform for web apps and internal tools
Stars
28,833Last commit
6 hours agoLicense
Apache-2.0
Build, iterate, and deploy full-stack web apps entirely in Python. Reflex combines an AI app builder, a full-stack framework, and one-click deployment in one platform.
Open Source Alternative to:
Secure, private photo storage and sharing solution
Stars
28,417Last commit
8 hours agoLicense
AGPL-3.0
End-to-end encrypted cloud storage for photos and videos, offering privacy, security, and seamless cross-device syncing.
Open Source Alternative to:
GPU-accelerated terminal built for power users
Stars
34,476Last commit
1 day agoLicense
GPL-3.0
High-performance terminal emulator with GPU acceleration, graphics support, and advanced scripting capabilities for developers and system administrators.
Open Source Alternative to:
Purpose-built time series database for real-time systems
Stars
31,705Last commit
1 day agoLicense
Apache-2.0
InfluxDB handles high-velocity, high-resolution time series data at scale, built for telemetry, edge devices, IoT, and physical AI workloads.
Open Source Alternative to:
Secure secret management for modern development teams
Stars
28,846Last commit
6 hours agoLicense
MIT
End-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.
Open Source Alternative to:
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