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Calculate returns, portfolio statistics and allocation weights in Python

Fit portfolio models and evaluate them on later market data

Export NVIDIA GPU telemetry as Prometheus metrics for hardware and workload monitoring.

Run a Bitcoin Lightning node on an Android or iOS phone

Make Git diffs and related terminal output easier to scan with syntax and word-level highlighting.

Encrypt files or streams with explicit recipients and a small command-line interface.

A GNOME desktop activity timer for individuals who want a record of chosen daily work activities.

Draw and adjust surface-snapped topology inside Blender's Edit Mode

Compare source files by syntax structure rather than relying only on line-oriented diffs.

An open-source iPad notebook for Apple Pencil writing and PDF markup.

Describe a terminal walkthrough in a tape file and render it as a shareable recording.

A TAP-compliant test framework for checking Bash scripts and command-line programs.

Assemble portfolio backtests from reusable Python rules

Scans source code for security issues and gives teams a place to review findings.

A Windows Python IDE pairing a script editor with an interpreter, debugger, project tools and unit-test interface.

Compare strategy experiments across assets, parameters and historical periods

An open-source desktop notebook for stylus handwriting, PDF markup, layers, and audio notes.

Connect distributed services through lightweight subject-based messaging, with optional persistence via JetStream.

Use a Git repository as a wiki that can be edited in a browser or a text editor.

Adjust CSS colours and calculate contrast with focused JavaScript functions.

Generate programmable palettes from anchor colours and curved paths.

Apply an image’s dominant colour to its surrounding web element.

Configure a standalone colour picker with swatches and opacity controls.

Personal finance files with account tabs and detailed transaction filters