Open Source Projects in Python
RustDesk
Open-source virtual desktop and remote control software.
Home Assistant Core
Open home automation platform
Apache Superset
A modern data exploration and data visualization platform.
Ghidra
Software reverse engineering framework
Plane
The open source project management tool.
Zilliz / Milvus
The open source vector database for AI.
Sentry
Developer-first error tracking and performance monitoring.
MindsDB
AI integration platform for enterprise databases
SearXNG
A privacy-respecting, hackable metasearch engine.
Qdrant
A fast, Rust-built vector database for similarity search, semantic retrieval and AI-powered recommendations.
SigNoz
An open-source observability platform alternative to DataDog.
ERPNext
Open-source ERP system
InfluxDB
Scalable datastore for metrics, events, and real-time analytics.
Signal
Speak freely with state-of-the-art end-to-end encryption.
Redash
Query your databases, turn the results into charts and share live dashboards with your whole team.
FreeCAD
Open-source parametric 3D modeler
Label Studio
Flexible data labeling for machine learning
Anki
Powerful intelligent flashcard program
Zulip
Chat for distributed teams.
KeePassXC
Store passwords locally with military-grade encryption
Deepset Haystack
LLM orchestration framework
TimescaleDB
The open-source time-series database optimized for fast ingest and complex queries.
Saleor
A high-performance headless e-commerce platform built with Python and GraphQL.
Airbyte
Open-source data integration platform
Authentik
Open-source Identity Provider
NetBox
Network infrastructure documentation and automation
Sumatra PDF
A free PDF, eBook, and comic book reader for Windows.
Blender
Free and open source 3D creation suite
Semgrep
A fast, open-source, static analysis tool for finding bugs and enforcing code standards.
Weaviate
An open source vector database that stores both objects and vectors.
ActivityWatch
The best free and open-source automated time tracker
Ceph
Distributed storage system
Seafile
A high performance open-source file syncing and sharing solution.
Dagster
Data orchestration platform
QGIS
A full-featured desktop GIS for viewing, editing, analysing and publishing geospatial data on Windows, macOS and Linux.
Quickwit
A cloud-native search engine that keeps logs and traces cheap by indexing straight onto object storage.
Grist
A modern, open-source spreadsheet-database hybrid.
Papermark
Open-source DocSend alternative.
GrowthBook
Open-source feature flagging and A/B testing platform.
LBRY SDK
Decentralized content platform powered by blockchain
StackStorm
Robust event-driven automation.
Flagsmith
Open-source feature flag platform
LessPass
Generate passwords without storing them
Apache NiFi
Automate data flow between systems
Buildbot
Python-based continuous integration framework
Tsuru
An extensible and open source Platform as a Service (PaaS).
CKAN
Open-source data portal platform
LineageOS
Extend device lifespan with customizable Android
BleachBit
System cleaner and privacy tool
Tolgee
An open-source localization platform built for developers.
Memgraph
Real-time graph analytics without complexity
LibreOffice
Complete office productivity suite without restrictions
TerminusDB
A robust open-source graph database with version control.
Shynet
Modern, privacy-friendly, and detailed web analytics that works without cookies.
Opengrep
Fast, open-source static analysis and code search.
KitchenOwl
Smart grocery planning and recipe coordination
LibrePCB
Electronic design automation without complexity
Shuup
An open source, multi-vendor e-commerce platform built with Django.
CheckMK
Comprehensive IT monitoring solution
Saltcorn
An open-source no-code database application builder.
Lokinet
Anonymous internet through onion routing
OpenLane
An automated RTL to GDSII flow for ASIC design.
Sozi
The zooming presentation editor and player.
Session
An end-to-end encrypted messenger that minimizes sensitive metadata.
Refinery
The data scientist's open-source choice to scale, assess and maintain natural language data.
Taiga
Free and open-source project management system for agile teams.
Fief
Open-source authentication platform
ClassQuiz
Interactive quiz platform for education
Robocorp
The open-source stack for building software robots and RPA.
formsflow.ai
Open source low-code platform for form automation.
Tracim
Collaborative software designed for team knowledge management.
RetroArcher
A retro game library manager and launcher integrated within Plex Media Server.
Marble
The open source virtual globe and world atlas.
Curiefense
Cloud-native application security platform
NVDA
Empowering digital independence - The world's most popular free screen reader
Odoo
The business management revolution - One platform for every department
Okuna
The ethical social network that returns power to users
Baserow
Open-source no-code database
OpenBB Terminal
Democratizing Wall Street - Professional-grade financial research without the Bloomberg price tag
OpenFaaS
Serverless functions that actually work - Deploy to any cloud without vendor Stockholm syndrome
Apache OpenOffice
Two decades of office productivity - Still free still fighting Microsoft's monopoly
Openpilot
Aftermarket autopilot that outperforms factory systems - Your car gets smarter overnight
OpenReplay
Session replay and product analytics that stays in your cloud - Debug like you own the browser
OpenScan
Build your own professional 3D scanner for a fraction of commercial prices
Orchest
A visual pipeline builder that let you write plain Python instead of wrangling YAML configs
Oso
An authorization library that lets developers write permission logic as readable policy code
Pagure
A lightweight, Python-built git forge born out of the Fedora community
Paperless-ngx
Turn every scanned receipt and bill into a searchable digital archive
Papermerge
A desktop-style file browser for digitizing and indexing your paper trail
PostHog
An all-in-one product analytics suite engineers can run on their own servers
Prefect
Python-native workflow orchestration built to make brittle pipelines self-healing
Ploomber
Notebooks that graduate from messy prototypes to production pipelines
GIMP
GNU Image Manipulation Program
Inkscape
Free, powerful vector graphics editor
Isso
Isso: a Disqus alternative for comments.
Jina.ai
Build cloud-native multimodal AI applications effortlessly.
Krita
Professional digital painting tools for artists