Repository Index

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

• analytics
• python
• react
• javascript

Data Apps & Dashboards for Python. No JavaScript Required.

• dash
• plotly
• data-visualization
• data-science

Open-source data movement for ELT pipelines and AI agents — from APIs, databases & files to warehouses, lakes, and AI applications. Both self-hosted and Cloud.

• data
• pipeline
• data-analysis
• data-engineering

Turns Data and AI algorithms into production-ready web applications in no time.

• automation
• data-engineering
• data-ops
• data-visualization

Python Data. Leaflet.js Maps.

• data-science
• data-visualization
• javascript
• maps

macOS development environment setup: Easy-to-understand instructions with automated setup scripts for developer tools like Vim, Sublime Text, Bash, iTerm, Python data analysis, Spark, Hadoop MapReduce, AWS, Heroku, JavaScript web development, Android development, common data stores, and dev-based OS X defaults.

• macos
• mac
• vim
• sublime-text

Investigate malicious Windows logon by visualizing and analyzing Windows event log

• security
• dfir
• javascript
• visualization

Transform ML models into a native code (Java, C, Python, Go, JavaScript, Visual Basic, C#, R, PowerShell, PHP, Dart, Haskell, Ruby, F#, Rust) with zero dependencies

• machine-learning
• scikit-learn
• statistical-learning
• xgboost

A package which efficiently applies any function to a pandas dataframe or series in the fastest available manner

• pandas
• pandas-dataframe
• parallel-computing
• parallelization

Transpile trained scikit-learn estimators and transformers to C, C#, Go, Java, JavaScript, PHP and Ruby.

• machine-learning
• data-science
• scikit-learn
• sklearn

The power of Chart.js with Python

• python
• jupyter-notebook
• jupyter
• ipywidgets

High performance, editable, stylable datagrids in jupyter and jupyterlab

• jupyter
• jupyter-notebook
• jupyterlab
• jupyterlab-extension

Source-available semantic and context layer, rule engine, and semantic sidecar for agentic AI and governed analytics. Compiles declarative YAML models into optimized SQL, KPIs, and semantic context across 8 SQL dialects.

• clickhouse
• databricks
• dremio
• mcp

Create n-grams of wordlists based on words, characters, or charsets to use in offline password attacks and data analysis

• hashcat
• jtr
• mdxfind
• ngram