Open Source Projects using Python
A curated collection of the 332 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.
AI coding agent for VS Code, JetBrains, CLI, and Cloud
Stars
27,656Last 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:
Open source AI coding agent for the terminal and IDE
Stars
28,571Last commit
5 hours agoLicense
Apache-2.0
Terminal-based AI coding agent that reads your codebase, edits files and runs commands, with support for Qwen, OpenAI, Anthropic, Gemini and local models.
Open Source Alternative to:
AI second brain for research, automation, and personal agents
Stars
37,742Last commit
3 months 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:
Fast, scalable vector database for AI applications
Stars
35,134Last commit
5 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
32,119Last commit
6 hours agoLicense
MIT
Monitor infrastructure for exploitable vulnerabilities with real-time detection, automated workflows, and zero false positives.
Open Source Alternative to:
Open-source observability platform for cloud-native apps
Stars
32,381Last commit
5 hours agoLicense
MIT
Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.
Open Source Alternative to:
AI-powered code completion for seamless development
Stars
33,916Last commit
4 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 blueprints for governed, always-on AI agents
Stars
22,767Last commit
5 hours agoLicense
Apache-2.0
Collection of open blueprints combining models, agent harnesses, and runtime controls to deploy specialized autonomous AI agents with policy-based guardrails.
Open Source Alternative to:
Open source infrastructure as code tool
Stars
30,536Last commit
3 days 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
31,796Last commit
5 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:
Secure access management for modern IT infrastructure
Stars
31,796Last commit
5 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:
Secure, private photo storage and sharing solution
Stars
29,460Last commit
5 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:
Organized team chat for distributed teams
Stars
26,069Last commit
20 hours agoLicense
Apache-2.0
Zulip is an open-source team chat app that uses threaded conversations to keep communication organized and efficient for teams of all sizes.
Open Source Alternative to:
Secure secret management for modern development teams
Stars
29,857Last commit
11 hours agoLicense
MIT
End-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.
Open Source Alternative to:
Full-stack Python platform for web apps and internal tools
Stars
28,960Last commit
5 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:
Open-source vector database for AI search and retrieval
Stars
29,530Last commit
2 days 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:
Declarative workflow orchestration for data, AI, and infra
Stars
29,847Last commit
5 hours agoLicense
Apache-2.0
YAML-based orchestration platform with 1400+ plugins for running data pipelines, AI workflows, and infrastructure automation across teams at scale.
Open Source Alternative to:
GPU-accelerated terminal built for power users
Stars
35,352Last commit
7 hours 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
31,771Last commit
4 days 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:
High-performance object storage designed for AI workloads
Stars
61,316Last commit
6 months agoLicense
AGPL-3.0
Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability
Open Source Alternative to:
Private messaging with end-to-end encryption
Stars
29,494Last commit
3 days agoLicense
AGPL-3.0
Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.
Open Source Alternative to:
Spaced repetition flashcards that remember for you
Stars
32,110Last commit
6 hours agoLicense
Unknown
Flashcard app using spaced repetition to schedule reviews at the exact moment you're likely to forget, so you retain more with less study time.
Open Source Alternative to:
Build unlimited AI apps locally with zero vendor lock-in
Stars
21,979Last commit
3 days agoLicense
Apache-2.0
Create full-stack AI applications using any model or tool. Run entirely on your machine with complete privacy, flexibility, and control over your code.
Open Source Alternative to:
All-in-one workspace for project, chat, and docs
Stars
27,939Last commit
6 hours agoLicense
EPL-2.0
Combines project management, team chat, virtual office, and collaborative docs into a single platform. A self-hostable alternative to Linear, Jira, Slack, and Notion.
Open Source Alternative to:
AI assistant that enhances enterprise knowledge management
Stars
22,995Last commit
5 hours agoLicense
GPL-3.0
Open-source AI solution combining RAG pipelines, workflow automation, and multi-model support for intelligent enterprise knowledge management and customer service.
Open Source Alternative to:
Self-hosted mini-PaaS for deploying applications easily
Stars
32,194Last commit
3 days agoLicense
MIT
A Docker-powered platform that lets you deploy Heroku-compatible applications via Git, with buildpack support and container isolation.
Open Source Alternative to:
Automate any website workflow with AI and computer vision
Stars
23,227Last commit
6 hours agoLicense
AGPL-3.0
Transform manual browser tasks into automated workflows using AI. Handle complex forms, CAPTCHAs, 2FA, and data extraction across any website at scale.
Open Source Alternative to:
Connect, query, visualize, and share your data
Stars
28,839Last commit
3 days agoLicense
BSD-2-Clause
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:
GPU-accelerated terminal emulator with multiplexing across all platforms
Stars
29,272Last commit
7 hours agoLicense
MIT
Cross-platform terminal emulator and multiplexer with GPU acceleration, true color support, and Lua configuration. Runs on Linux, macOS, Windows, FreeBSD, and NetBSD.
Open Source Alternative to:
Time-series database and historian for industrial data
Stars
25,169Last commit
5 hours agoLicense
AGPL-3.0
High-performance time-series database with industrial data management, built-in stream analytics, and AI-driven anomaly detection for operational environments.
Open Source Alternative to:
Local-first, Git-native personal knowledge base with AI
Stars
20,106Last commit
13 hours agoLicense
AGPL-3.0
A free, open source note-taking app built on plain Markdown files, Git version control, and direct AI model integration. No account required.
Open Source Alternative to:
Distributed tracing, metrics, logs, and GenAI monitoring in one
Stars
24,972Last commit
6 hours agoLicense
Apache-2.0
Open source observability platform covering distributed tracing, metrics, logs, profiling, and LLM cost tracking across 10+ languages with eBPF support on Kubernetes.
Open Source Alternative to:
Cross-platform, secure password manager
Stars
29,307Last commit
17 hours agoLicense
GPL-3.0
KeePassXC is an open-source password manager that securely stores and manages sensitive information across Windows, macOS, and Linux.
Open Source Alternative to:
Take control of your identity with a secure, flexible solution
Stars
26,005Last commit
5 hours agoLicense
MIT
authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.
Open Source Alternative to:
AI workforce platform where agents, skills, and memory live in your repo
Stars
20,281Last commit
5 hours agoLicense
Elastic-2.0
Manages a team of AI agents across your company, with every agent, skill, memory, and connector stored as versioned files in a git repo you own and self-host.
Open Source Alternative to:
Zero trust network access that's better than VPN
Stars
23,121Last commit
11 hours agoLicense
AGPL-3.0
Deploy zero trust access to infrastructure, self-hosted apps, and SaaS tools in days. Identity-aware security with seamless user experience.
Open Source Alternative to:
Privacy-first browser with ad-blocking and no bloat
Stars
21,700Last commit
6 hours agoLicense
GPL-3.0
Chromium-based desktop browser with default ad and tracker blocking, no analytics, native !bangs, split view, and full MV2 extension support.
Open Source Alternative to:
Open-source data integration for modern teams
Stars
22,243Last commit
6 hours agoLicense
Elastic-2.0
Seamlessly sync data from any source to any destination with a flexible, extensible platform that grows with your data needs.
Open Source Alternative to:
Create 2D and 3D games without coding, powered by AI assistance
Stars
27,713Last commit
5 hours agoLicense
Unknown
Free, open-source game engine with visual event system, AI tutor, and one-click publishing to Steam, iOS, Android, and web platforms.
Open Source Alternative to:
Agentic AI framework that runs, learns, and self-corrects
Stars
19,511Last commit
5 days agoLicense
MIT
Autonomous AI agent framework that operates on its own sandboxed computer, creates tools dynamically, manages memory, and executes multi-step workflows with full transparency.
Open Source Alternative to:
AI agents that autonomously fix code and resolve GitHub issues
Stars
20,595Last commit
7 days agoLicense
MIT
State-of-the-art AI agent that uses language models like GPT-4o to autonomously solve GitHub issues, fix bugs, and implement features with configurable YAML setup.
Open Source Alternative to:
AI-powered DevSecOps for faster, secure software delivery
Stars
24,552Last commit
6 hours agoLicense
MIT
A comprehensive AI-powered DevSecOps platform that integrates development, security, and operations, streamlining software delivery and enhancing productivity.
Open Source Alternative to:
Openlane – Open-source, developer-first platform for automated compliance, risk management, and built-in Trust Center.
Openlane
c15t
CodeRabbit